How to know if youre blocked on Android Unveiling the Mystery

How to know if youre blocked on android – Ever felt a pang of uncertainty, a nagging suspicion that your calls and texts might be vanishing into the digital ether? Welcome to the world of being blocked, a realm where communication lines can suddenly go silent. This guide, “how to know if you’re blocked on Android,” is your key to navigating this often confusing territory. We’ll delve into the intricacies of Android’s blocking features, exploring how they function and the telltale signs that might indicate you’ve been relegated to the digital “ignore” pile.

Think of it as a detective’s handbook, equipping you with the knowledge to uncover the truth behind those elusive missed calls and undelivered messages.

From the subtle nuances of call patterns to the cryptic clues hidden within messaging apps, we’ll examine the various methods used to restrict communication. We’ll unpack the mechanics of blocking, comparing it to other forms of communication restrictions. We’ll explore phone calls, SMS/MMS, and messaging apps like WhatsApp, Signal, and Telegram. You’ll learn how to interpret ring patterns, decipher delivery reports, and recognize the telltale signs of a block.

But, as with any good investigation, we’ll also consider the potential red herrings: network issues, phone settings, and privacy configurations that might mimic the effects of being blocked. So, grab your magnifying glass (metaphorically speaking, of course) and let’s unravel this digital enigma together.

Table of Contents

Understanding the Blocking Feature on Android

Let’s delve into the intricacies of the Android blocking feature. This is a fundamental privacy tool, yet its functionality and limitations are often misunderstood. We’ll clarify the mechanics of blocking, what it achieves, and how it differs from other methods of contact restriction.

Basic Functionality of Blocking

Android’s blocking feature is designed to give users control over unwanted communications. When you block a contact, the system essentially creates a barrier preventing direct contact. This affects calls, text messages, and sometimes, depending on the specific Android version and manufacturer’s customizations, even other forms of communication like video calls or messages within the device’s default messaging app. The blocked person will typically not receive notifications indicating they have been blocked.

Effects of Blocking on User Communication

The impact of blocking on communication is quite straightforward, though the exact behavior can vary slightly.

Calls: Calls from a blocked number usually go straight to voicemail, without ringing on your phone. The caller might hear a single ring or a busy signal, depending on your carrier and phone settings.
Text Messages (SMS/MMS): Text messages from a blocked number are usually not delivered to your inbox. They may be stored in a blocked messages folder, or simply discarded by the system.
Other Communication Apps: Blocking can also affect communication within specific apps. For instance, in some messaging apps, the blocked contact’s messages may not appear in your chat history, and you might not receive notifications from them. This depends on how the app integrates with the Android blocking feature or provides its own blocking mechanism.

Limitations of the Blocking Feature

While effective, Android’s blocking feature isn’t a perfect shield. It has certain limitations.

Bypass Attempts: A determined individual can potentially bypass the block by using a different phone number or a different device.
Third-Party Apps: The blocking feature primarily works with the native phone and messaging apps. It might not block communication through all third-party apps, such as social media platforms, which often have their own blocking tools.
Voicemail Access: Although calls go to voicemail, the blocked person can still leave a voicemail. You can choose to listen to these voicemails or ignore them.
No Notification of Block: The blocked person doesn’t receive any notification confirming they’ve been blocked. This is a deliberate design choice to avoid confrontation.

Distinctions from Other Contact Restrictions

Blocking differs from other methods of restricting contact, such as muting notifications or ignoring calls.

Muting Notifications: Muting a contact only silences notifications from them. You will still receive calls and messages, but you won’t be alerted.
Ignoring Calls: Ignoring a call sends it to voicemail. This is less restrictive than blocking, as the caller can still leave a message.
Do Not Disturb (DND): DND mode silences all notifications and calls, except for those from contacts you’ve designated as exceptions. This is a broader feature that impacts all incoming communication, not just from a single contact.
Carrier-Level Blocking: Some carriers offer blocking services that can prevent calls and messages from reaching your phone at all, providing a more robust blocking solution than the built-in Android feature. These services may come with additional costs.

Understanding these distinctions is crucial for choosing the right privacy settings to manage unwanted communications effectively.

Checking if You’re Blocked via Phone Calls

When it comes to figuring out if you’ve been blocked on an Android phone, phone calls are often the first place to look. The way your calls are handled, from the ringing pattern to the voicemail experience, can provide some clues. However, it’s not always a straightforward answer, as various factors can influence call behavior.

Call Behavior Analysis

The behavior of a phone call when you’re blocked versus when you’re not can differ significantly. Understanding these differences is crucial for interpreting the signals your phone is sending.Here’s a table comparing call behavior in different scenarios:

Call Status	Ringing	Voicemail	Caller ID
Not Blocked	Rings normally, as configured by the recipient.	Voicemail picks up after the set number of rings.	Displays your caller ID.
Blocked	Often, the call goes directly to voicemail after a single ring or no ring at all. Sometimes, it might appear to ring a few times.	You may be sent directly to voicemail, or the voicemail greeting might be the default.	May be blocked entirely, or may show as “Private Number” or a similar indication.
Recipient’s Phone Off or Out of Service	Rings a few times, then goes to voicemail or a message indicating the phone is unavailable.	Voicemail picks up after a set number of rings, or you get a message saying the phone is unavailable.	Displays your caller ID.
Recipient’s Phone on Do Not Disturb (DND)	May ring once or twice, then go to voicemail. This depends on DND settings.	Voicemail picks up, or the call may be silently rejected, depending on DND settings.	Displays your caller ID.

It’s important to remember that these are general observations. Specific call behavior can vary based on the recipient’s phone settings, their carrier, and even the Android version they are using. The only way to be certain is to use multiple testing methods.

Potential Call Failure Scenarios

A call not going through doesn’t always mean you’re blocked. Several other reasons could be at play.Here are some potential reasons why a call might fail:

Network Issues: Problems with your mobile carrier or the recipient’s carrier can disrupt calls. This could be due to temporary outages, signal strength problems, or overloaded networks, particularly in crowded areas or during peak hours.
Recipient’s Phone Status: The recipient’s phone might be off, out of range, or experiencing technical difficulties. This is especially common in rural areas or during travel.
Do Not Disturb (DND) Mode: The recipient may have enabled DND mode, which silences calls and sends them directly to voicemail or rejects them entirely. Many people use DND during meetings, at night, or when they need uninterrupted focus.
Call Blocking Feature (Not Related to Your Block): The recipient may have used a call-blocking feature on their phone, blocking your number, but not specifically because of any action you have taken.
Temporary Glitches: Occasionally, software glitches or temporary errors can prevent calls from connecting. Restarting your phone or the recipient’s phone can often resolve these issues.
Number Entry Errors: You might have dialed the wrong number. Double-checking the number before calling can prevent this issue.
Call Forwarding: If the recipient has call forwarding enabled, your call may be routed to another number, and if that number is unavailable, it could appear as if your call is failing.

Testing the Call Method

To test if you’re blocked using the call method, follow these steps:

Dial the Number: Use your phone’s dialer to call the number you suspect might have blocked you.
Observe the Ringing Pattern: Pay close attention to how the call connects. Does it ring normally, go straight to voicemail, or ring a few times and then go to voicemail?
Check Voicemail Behavior: If the call goes to voicemail, listen to the greeting. Is it the recipient’s personalized greeting, or is it a default greeting?
Repeat the Test: Try calling at different times of the day to see if the behavior changes. Network congestion or other temporary issues can sometimes influence call patterns.
Use Another Phone (Recommended): The most reliable way to determine if you are blocked is to call from a different phone. If the call goes through normally from another phone, it strongly suggests you’ve been blocked on your original phone.

Checking if You’re Blocked via Text Messages (SMS/MMS): How To Know If Youre Blocked On Android

Navigating the digital landscape can sometimes feel like traversing a maze, especially when it comes to communication. Text messages, or SMS/MMS, are a cornerstone of modern connectivity, and understanding their delivery mechanisms is crucial. While a blocked number can certainly hinder your text message attempts, other factors can also contribute to delivery failures. This section will delve into the nuances of text message delivery, providing you with insights to decipher the status of your messages.

Delivery Status Notifications for SMS/MMS Messages When Blocked

When it comes to SMS and MMS, the system isn’t always as forthcoming as you might like when it comes to blocked numbers. The truth is, Android, unlike some other platforms, doesn’t always provide a definitive “blocked” notification. This means you might not get a clear message stating, “Message blocked.” Instead, you’ll often be left to interpret the silence.Here’s the lowdown:* SMS (Short Message Service): SMS messages typically rely on delivery reports, if the recipient’s carrier supports them.

However, even with delivery reports, a blocked number might not trigger a “failed” notification. You could receive a “delivered” status even if the message never reaches the intended recipient’s phone. This is because the message may be acknowledged by the recipient’s carrier, but subsequently discarded due to the block.* MMS (Multimedia Messaging Service): MMS messages are a bit more complex.

They involve a more intricate process for delivery, which also makes pinpointing a block more challenging. MMS messages might appear to be sent, but they could remain undelivered without a specific error message. The lack of a delivery confirmation or a “read” receipt (if enabled) can be a clue, but it’s not a foolproof indicator of a block.

Examples of Delivery Reports

Let’s consider some scenarios and what you might see:* Scenario 1: Delivery Report Present and Delivered: You send a text, and your phone displays “Delivered.” This suggests the message has reached the recipient’s carrier. However, itdoesn’t* guarantee the recipient actually received or saw the message. A block could still be in place.* Scenario 2: Delivery Report Present and Not Delivered: You send a text, and your phone displays “Not Delivered” or “Failed.” This could be due to a variety of issues, including a blocked number.

Other reasons could include the recipient’s phone being off, out of service, or having a full message inbox.* Scenario 3: No Delivery Report: Some messaging apps or carriers don’t provide delivery reports. In this case, you’re left guessing whether the message went through. This is the most ambiguous scenario and makes it harder to determine if you’re blocked.

Potential Reasons Why a Text Message Might Not Be Delivered, Beyond Blocking

Before jumping to conclusions, it’s essential to consider other factors that could be at play:* Recipient’s Phone is Off or Out of Service: The simplest explanation is often the most accurate. If the recipient’s phone is turned off or has no service, the message won’t go through.* Recipient’s Phone is Full: The recipient’s phone storage may be full, particularly the message inbox. Older phones, in particular, may have limited storage capacity for texts.* Network Issues: Temporary network outages or congestion can disrupt message delivery.

This is more common in areas with poor cellular coverage or during peak usage times.* Carrier Problems: The recipient’s carrier might be experiencing technical difficulties that prevent message delivery.* Incorrect Phone Number: A simple typo in the phone number will prevent the message from reaching the intended recipient.* Message Content Issues: Some carriers filter messages containing specific s or content.

This is especially true for marketing messages or messages that violate the carrier’s terms of service.* Spam Filtering: Both carriers and phones often have built-in spam filters that can block or quarantine messages.

Steps to Troubleshoot Text Message Delivery Issues

If you suspect your text messages aren’t reaching their destination, try these troubleshooting steps:

1. Verify the Phone Number

Double-check that you have entered the correct phone number. A single digit error can be a frequent cause of delivery failure.

2. Check Your Phone’s Connection

Ensure your phone has a stable cellular connection or Wi-Fi.

3. Restart Your Phone

A simple restart can often resolve temporary software glitches that may be interfering with message delivery.

4. Check the Recipient’s Phone

Ask the recipient to check if their phone is on, has service, and has sufficient storage space.

5. Try Sending a Test Message

Send a simple test message to the recipient to see if it goes through.

6. Use a Different Messaging App

Try sending the message using a different messaging app. This can help determine if the issue is specific to your current app.

7. Contact Your Carrier

If the problem persists, contact your mobile carrier for assistance. They can investigate potential network issues or account-specific problems.

8. Consider an Alternative Communication Method

If you suspect you’re blocked, try reaching the person through a different method, such as a phone call from a different number, email, or a different messaging app.

Checking if You’re Blocked on Messaging Apps (WhatsApp, Signal, etc.)

Navigating the digital landscape involves understanding the nuances of online communication. One such nuance is the blocking feature within messaging applications. This feature allows users to limit interaction with others, and while it’s a useful privacy tool, it can also lead to uncertainty. Identifying whether you’ve been blocked on these platforms can be tricky, as developers often design these features to be subtle, prioritizing user privacy.

This section delves into the common indicators and platform-specific differences that can help you determine if you’ve been blocked on popular messaging apps like WhatsApp, Signal, and Telegram.

Common Indicators of Being Blocked

Generally, messaging apps employ similar, albeit nuanced, indicators to signal a block. These clues are not definitive proof, as app behavior can fluctuate due to other factors like network connectivity or privacy settings. However, observing multiple indicators simultaneously strengthens the likelihood of a block.

Last Seen Status: A blocked user usually won’t be able to see your “last seen” or “online” status.
Profile Picture Changes: You might not see updates to the blocked user’s profile picture.
Message Delivery: Messages sent to a blocked user may show a single checkmark (indicating sent but not delivered) indefinitely.
Call Status: Calls to a blocked user may not connect or may go directly to voicemail.

Differences in Blocking Indicators Across Platforms

Each messaging app has its own set of design choices when it comes to blocking. These choices stem from a variety of factors, including the app’s privacy philosophy, user experience goals, and the specific features available. Understanding these platform-specific differences is crucial for accurate interpretation of the clues. For example, some apps prioritize privacy by providing very few visual cues of a block, while others offer more obvious signals.

These variations mean that a behavior that’s a clear sign of blocking on one app might not be so definitive on another.

Comparison of Blocking Indicators

To provide a clearer picture, let’s compare the blocking indicators across WhatsApp, Signal, and Telegram. This table summarizes the key differences.

Feature	WhatsApp	Signal	Telegram
Last Seen	“Last Seen” status is hidden.	“Last Seen” status is hidden.	“Last Seen” status is hidden.
Profile Picture	Profile picture may not update.	Profile picture may not update.	Profile picture may not update.
Message Delivery	Messages show a single checkmark (sent).	Messages show a single checkmark (sent).	Messages show a single checkmark (sent).
Call Status	Calls may not connect.	Calls may not connect.	Calls may not connect.

Testing for a Block on Messaging Apps

While there’s no foolproof method to definitively confirm a block, there are strategies you can employ to gather evidence. These tests involve observing the behavior of the app and comparing it to normal interactions. It’s crucial to remember that these methods are circumstantial and not definitive proof.

WhatsApp: If you suspect a block on WhatsApp, observe the “Last Seen” status. If you can’t see their “Last Seen” or “Online” status, and their profile picture doesn’t update, it’s a potential indicator. Send a message and check if it remains at a single checkmark. Try calling the user; if the call doesn’t connect, this further supports the possibility of a block.
Signal: Signal prioritizes privacy, so the indicators are more subtle. The absence of “Last Seen” and profile picture updates, combined with messages that don’t get delivered (single checkmark), can suggest a block. Calling the user and having the call go straight to voicemail is another clue.
Telegram: Similar to other apps, the inability to see “Last Seen” status, no profile picture updates, and messages remaining at a single checkmark are key indicators. Telegram’s behavior is somewhat unique; if the user has a “Last Seen” setting set to “Nobody,” this may give the impression of being blocked. Calling the user and not having the call connect also supports a possible block.

Important Note: Always consider alternative explanations. Network issues, app glitches, or the user’s privacy settings can sometimes mimic blocking behavior.

Using Third-Party Apps or Services to Check for Blocks

Venturing into the digital realm to uncover whether you’ve been blocked can lead you down some interesting paths. One of these is the use of third-party apps and services, tools that promise to reveal the truth about your blocked status. However, before you dive in, let’s navigate this territory with a healthy dose of caution and a clear understanding of what you’re getting into.

App Functionality and Claims

These apps, often available on app stores or accessible via web-based services, typically operate by mimicking the actions of a user. They might attempt to call the number in question, send a text message, or even try to interact with the target user on social media platforms. The app then analyzes the responses (or lack thereof) to infer whether a block is in place.

Some might claim to offer advanced features, such as detecting changes in profile pictures or last seen statuses on messaging apps. These features often rely on scraping public data or using unofficial APIs, which can be unstable and prone to breaking.

Potential Risks and Limitations

The allure of a quick and easy solution can be strong, but it’s crucial to approach these third-party apps with skepticism. The accuracy of their results is often questionable. The app’s ability to determine a block can be hampered by various factors, including the recipient’s phone settings, network conditions, and the app’s own limitations. For example, if the recipient has a poor signal, a call might fail, leading the app to incorrectly assume a block.

Similarly, if the recipient has enabled “Do Not Disturb” mode, the app might misinterpret this as a block. Remember, these apps are not official tools provided by the phone manufacturers or messaging platforms; they are, at best, educated guesses.

Privacy Implications

The use of third-party apps to check for blocks raises significant privacy concerns. These apps often require access to your contacts, call logs, and even your messaging history. This data is then transmitted to the app’s servers, where it is analyzed. The app developers might have access to your sensitive information. There’s also the risk that your data could be shared with third parties for advertising or other purposes.

Consider this scenario: You download an app to check if you’re blocked. In return, you unwittingly grant the app access to your entire contact list. That contact list, which includes names, phone numbers, and possibly other personal details, could be sold to marketing companies or, worse, end up in the hands of malicious actors. This is why carefully reviewing the app’s privacy policy before installation is crucial, even if it’s written in legal jargon.

Drawbacks of Using Third-Party Apps

Before deciding to use a third-party app, consider these potential drawbacks:

Accuracy Issues: The results are often unreliable due to various factors, including network issues, phone settings, and app limitations.
Data Security Risks: The apps might collect and store your personal information, potentially leading to data breaches or misuse.
Malware Potential: Some apps could contain malware or viruses, which could compromise your device and data.
Unethical Practices: Some apps might engage in deceptive practices, such as selling your data to third parties.
Violation of Terms of Service: Using these apps might violate the terms of service of your phone carrier or messaging apps.
Lack of Official Support: These apps are not officially supported by phone manufacturers or messaging platforms, so there’s no guarantee of functionality or security.

Addressing False Positives and Other Considerations

Navigating the digital landscape of communication can be tricky. While the ability to block someone is a powerful feature, it’s not always a straightforward answer to communication failures. Sometimes, what appears to be a block is merely a technical hiccup or an alternative explanation. Understanding these nuances is key to accurately interpreting your communication attempts.

Factors Mimicking Blocking

Several factors can create the illusion of being blocked, leading to false positives. These are critical to understand to avoid jumping to conclusions.* Phone Status: If the recipient’s phone is powered off, you will likely be routed to voicemail. This can be mistaken for a block, especially if you’re accustomed to a different response.* Out-of-Service Area: Being in an area with no cell service also prevents call and message delivery.

Your call might go directly to voicemail, and texts may fail to send entirely, appearing undelivered.* Network Congestion: During peak hours, or in areas with high user density, network congestion can cause delays in message delivery or call connection issues.* Number Change or Disconnection: The recipient may have changed their phone number or disconnected their service altogether. Attempts to reach them would fail, but this isn’t a block.* Do Not Disturb Mode: The recipient might have enabled “Do Not Disturb” mode, which silences calls and notifications.

While it might seem like a block, it is a setting they’ve actively chosen.

Impact of Phone Status and Out-of-Service

A phone being off or out of service has a significant impact on communication. When a call is made to a powered-off phone, the call will usually be forwarded to voicemail, provided voicemail is set up. Text messages, on the other hand, might either fail to deliver immediately or be held by the network for a period, attempting to deliver later when the phone is back online.

If the phone remains off for too long, the message will often fail. Similarly, when a phone is out of service, the same issues arise. The network cannot connect the call or deliver the message, leading to similar outcomes. This highlights the importance of checking these factors before assuming a block.

The Role of Network Issues, How to know if youre blocked on android

Network issues are frequently overlooked but can cause considerable communication disruptions. These problems can range from temporary outages to signal interference. In some instances, a weak signal might lead to dropped calls or delayed message delivery. More serious network problems could prevent calls from connecting at all, or cause messages to fail to send. This is why it’s wise to consider network issues when communication attempts are unsuccessful.

Alternative Explanations for Communication Failures

Beyond blocking, a number of other factors can explain why your communication attempts may fail. Here are some of them:

Technical Glitches: Occasionally, the mobile network experiences temporary glitches that disrupt call connections or message delivery.
Incorrect Number: Double-check the number you are dialing or texting. A simple typo can lead to failure.
Recipient’s Phone Issues: Problems with the recipient’s phone, such as a full storage or software malfunctions, can hinder communication.
Carrier Issues: At times, the recipient’s mobile carrier may experience problems, which might prevent calls or messages.
Account Suspensions: If the recipient’s phone service has been suspended for non-payment or another reason, communication will be impossible.
Message Filtering: Some carriers or phone apps have spam filters that can inadvertently block legitimate messages.

Understanding Privacy Settings and Blocking Behavior

Navigating the digital landscape involves a complex dance of privacy and connection. When we interact on social media, our privacy settings play a crucial role in shaping our experiences and determining who can see our content and interact with us. Furthermore, understanding how these settings interact with blocking features is essential for maintaining control over our online presence. It’s a bit like building a fence around your digital garden – you get to decide who can come in and admire the blooms.

Influence of Privacy Settings on Blocking Behavior

Your privacy settings are the gatekeepers of your digital castle, and they significantly influence how blocking functions. They determine the visibility of your posts, who can send you friend requests, and even how others can interact with your content.

Public Profile: If your profile is public, anyone can view your content. Blocking someone in this scenario limits their access to your profile, posts, and stories, effectively preventing them from seeing what you share.
Friends Only: Restricting your content to “Friends Only” means only those you’ve accepted as friends can see your posts. Blocking someone in this case removes them from your friend list and prevents them from viewing your content.
Custom Settings: Social media platforms often allow for custom privacy settings, letting you choose specific people or groups who can see your content. If you’ve excluded someone from seeing your posts via custom settings, blocking them might seem redundant, but it prevents them from interacting with your content or contacting you.
Blocking and Visibility: Blocking someone generally hides your content from them, but it doesn’t always work in reverse. They may still be able to see your content if it’s shared by mutual friends or appears in public groups, depending on the platform’s specifics.

Relationship Between Blocking and Mutual Connections

The world of online connections often resembles a web of interwoven threads. Blocking someone within this web can have a ripple effect, particularly when mutual connections are involved.

Mutual Friends/Connections: When you block someone, they typically can no longer see your profile or interact with your content, even if you share mutual friends. Those mutual friends might still see both your content and the blocked person’s content, depending on their own privacy settings and the platform’s rules.
Impact on Shared Content: If a mutual friend shares a post or comment from you, the blocked person might still see it. However, they will be unable to click on your profile, like your post, or interact with you directly.
Notifications: The blocked person typically won’t receive notifications about your activity or content, even if it’s shared by a mutual connection.
Indirect Interactions: While blocking limits direct interaction, the blocked person might still indirectly encounter your content through mutual friends’ posts or comments.

Impact of Blocking on Social Media Interactions: A Detailed Example

Imagine a social media platform called “ConnectSphere.” Sarah and John are connected on ConnectSphere, sharing a network of mutual friends. Sarah, after a disagreement, decides to block John.

Before Blocking: Before the block, John could see Sarah’s posts, comment on them, and interact with her content. He could also see any content she shared with their mutual friends.
After Blocking: After the block, John can no longer see Sarah’s posts or interact with her profile directly. He won’t receive any notifications related to Sarah’s activity.
Impact on Mutual Friends: If a mutual friend, Emily, shares one of Sarah’s posts, John might still see that shared post. However, if John clicks on the shared post, he won’t be able to access Sarah’s profile. He will be effectively blocked from interacting with Sarah, even indirectly.
Impact on Group Interactions: If Sarah and John are members of the same group, John might still see Sarah’s posts within that group, depending on the group’s privacy settings. However, he still won’t be able to interact with her directly through the platform.

Visual Representation of Blocking’s Effect on Connections

Consider the following representation to illustrate the effects of blocking on a social network:

Imagine a circular network representing a social media platform, with each user represented by a circle. Lines connect the circles to show connections, like friendships. Let’s call the users: Alice, Bob, Carol, David, and Eve. Alice is connected to Bob, Carol, David, and Eve. Bob is connected to Alice, Carol, and David.

Carol is connected to Alice, Bob, David, and Eve. David is connected to Alice, Bob, and Carol. Eve is connected to Alice and Carol.

Initial State: Before any blocking, all users can see each other’s content and interact. The diagram would look like this:

     Eve
      | \
      |  \
   Alice---Carol
      |  / \
      | /   \
     Bob---David

After Alice blocks Bob: The line connecting Alice and Bob disappears. Bob can no longer see Alice’s content.

Carol and David can still see content from both Alice and Bob, depending on their privacy settings. The diagram would look like this:

     Eve
      | \
      |  \
   Alice---Carol
          / \
         /   \
        Bob---David

After Carol blocks David: The line connecting Carol and David disappears.

David can no longer see Carol’s content. Alice, Bob, and Eve can still see content from both Carol and David, depending on their privacy settings. The diagram would look like this:

     Eve
      | \
      |  \
   Alice---Carol
          /
         /
        Bob   David

Summary: The lines represent direct connections.

Blocking removes these direct connections, but indirect connections through mutual friends might persist. The visibility of content depends on the interplay of blocking and privacy settings.