Group Texts Not Working Android Your Guide to Seamless Messaging

Group texts not working android – Ah, the modern marvel of group texts! Connecting with friends, family, and colleagues with a tap. But what happens when the digital grapevine goes silent? When your Android phone decides to play coy, and those witty memes and vital updates just… vanish? Fear not! We’re diving headfirst into the mysterious world of
-group texts not working android*, ready to unearth the secrets and get your messages flowing like a well-oiled emoji machine.

We’ll explore everything from the initial head-scratching moments to the more advanced troubleshooting tactics, ensuring you’re back in the loop in no time. Think of it as your digital detective kit, equipped with all the tools needed to crack the case of the missing messages.

This journey will take us through the basics, like double-checking your connection and settings, to the more intricate aspects, such as network quirks and app compatibility. We’ll even peek under the hood at your phone’s inner workings, exploring how to clear caches and, as a last resort, consider a factory reset. This is more than just a troubleshooting guide; it’s a quest to reclaim your texting superpowers.

So, grab your virtual magnifying glass, and let’s begin the investigation!

Table of Contents

Troubleshooting Initial Steps for Group Texts

It’s incredibly frustrating when your group texts suddenly go silent. Before you start pulling your hair out, let’s go through some fundamental checks to get things back on track. These initial steps often resolve the issue, saving you time and stress.

Checking Connectivity

Before diving deep, ensure your Android device is properly connected to the internet. Group messaging relies on either mobile data or Wi-Fi to function correctly. This is your first line of defense.To verify your connection:

Mobile Data: Look for the mobile data icon (usually two opposing arrows) in your notification bar. If it’s present and colored, mobile data is active. If not, swipe down from the top of your screen to access the quick settings panel and tap the “Mobile data” icon to enable it.
Wi-Fi: Check for the Wi-Fi icon (a series of curved lines). If the icon is present and filled, you are connected to a Wi-Fi network. If not, tap the Wi-Fi icon in the quick settings panel to enable it and select a network. You may need to enter a password if it’s a secured network.

To ensure a stable connection, try the following:

Mobile Data Stability: Move to an area with better cell service. Weak signal strength can lead to intermittent data connectivity, hindering group text delivery. Observe the signal strength indicator (the bars) in your notification bar. The more bars, the stronger the signal.
Wi-Fi Stability: Move closer to your Wi-Fi router. Distance and physical obstructions (walls, appliances) can weaken the Wi-Fi signal. Test the connection by browsing the web or using other apps that require an internet connection. If the browsing is slow or unreliable, there might be a problem with your Wi-Fi network itself.

Verifying Account Status

Next, confirm your ability to send and receive text messages. This includes checking your account balance and ensuring you have a valid text messaging plan. This is a crucial step that is often overlooked.To verify your account status:

Balance Check: If you have a prepaid plan, check your account balance. Insufficient funds will prevent you from sending text messages, including group texts. Contact your mobile carrier to inquire about your current balance. You can usually do this through their website, mobile app, or by calling customer service.
Messaging Plan Verification: Ensure you have an active text messaging plan that covers group texts. Some plans may have limitations on the number of messages or participants allowed in a group text. Review your plan details, which are usually available on your carrier’s website or in your account settings.

Quick Restart Procedure, Group texts not working android

Sometimes, a simple restart can resolve temporary software glitches that are causing problems with group texts. It’s a bit like giving your phone a fresh start.

To restart your Android phone:

Press and Hold: Press and hold the power button (usually located on the side or top of your phone).

Select Restart: A menu will appear on the screen. Tap the “Restart” or “Reboot” option. If there is no restart option, tap “Power Off,” wait a few seconds, and then power your phone back on by pressing the power button.

Wait for Restart: Your phone will shut down and then restart. This process typically takes a minute or two.

Checking Messaging App Settings

Alright, let’s dive into the digital trenches and make sure your Android messaging app is properly configured for those epic group text threads. We’ll explore the settings that control how your messages are sent and received, ensuring you stay connected with your crew. It’s like a behind-the-scenes tour of your messaging app, uncovering the secrets to seamless communication.

Locating Messaging App Settings

Finding the right settings is like a treasure hunt, but fear not, the map is simple. The process varies slightly depending on your specific Android phone and messaging app, but the general layout remains consistent. Usually, you’ll need to open your default messaging app.Inside the app, you’ll typically find a menu. This is usually represented by three vertical dots (⋮) or sometimes three horizontal lines (≡), often located in the upper right-hand corner.

Tapping this menu will reveal a list of options.Look for a “Settings” option. It might be labeled directly as “Settings” or something similar, like “Messaging Settings” or “Advanced Settings.” Tap on “Settings” to access the configuration options. Within the settings menu, you’ll often find categories. Look for options related to “MMS,” “Multimedia Messages,” or “Group Messaging.” These are the areas where the magic happens.

Enabling and Configuring MMS

MMS, or Multimedia Messaging Service, is the technology that allows you to send and receive photos, videos, and, crucially, group texts. Without MMS enabled, your group messages might not work correctly, or you might only receive individual messages.To ensure MMS is enabled and correctly configured, navigate to your messaging app’s settings, as described previously. Within the settings menu, locate the MMS or Multimedia Message settings.Here’s what you need to look for:

MMS Enabled: There will usually be a toggle or checkbox to enable MMS. Make sure this is turned ON or checked. This is the first and most crucial step.
APN Settings (Access Point Names): Occasionally, you might need to check your APN settings. These settings tell your phone how to connect to your mobile carrier’s network for data (and MMS) access. Your phone should automatically configure these settings. If MMS isn’t working, you might need to verify or manually enter these settings. You can usually find the APN settings under “Mobile Networks” or “Network Settings” in your phone’s general settings (not the messaging app settings).

Your mobile carrier’s website or customer support can provide the correct APN settings for your device.
Group Messaging: This is often found within the MMS settings. Make sure “Group Messaging” or “Group MMS” is enabled.

If you’ve recently switched carriers or updated your phone’s software, it’s a good idea to double-check these settings.

Adjusting Group Messaging Settings

The “Group Messaging” setting determines how your messages are sent and received within a group conversation. It usually offers two primary options.The “Group Messaging” setting allows you to configure how your messages are sent and received in group conversations. This setting is often found within the MMS or Multimedia Message settings.Here’s what you need to know about the different options:

“Send as individual messages”: When this option is selected, your message will be sent to each recipient individually, rather than as a group message. This means each person will receive a separate text from you, and replies will come directly to you, not to the group. This setting is useful if you want to keep the conversation private or if you don’t want the recipients to see each other’s phone numbers.
“Group message”: This is the typical setting for standard group conversations. When this option is selected, your message is sent to all recipients as a single group message. Replies are sent to the entire group, creating a shared conversation thread. This is the option you’ll want for most group chats.

Choosing the right option depends on your needs. For most group chats, “Group message” is the preferred choice. If you’re experiencing issues with group texts, make sure this setting is configured correctly.

Comparing Messaging App Settings

Different messaging app settings can significantly impact your experience. Here’s a comparison of some key settings, presented in a table format for clarity:

Setting	Description	Impact
Automatic Download	Controls whether MMS messages (photos, videos) are automatically downloaded.	If disabled, you’ll need to manually download MMS messages. This can save data, but it can also delay the viewing of multimedia content. If enabled, it automatically downloads multimedia content, which can be convenient but may consume data.
Roaming	Determines how MMS messages are handled when you’re outside your home network’s coverage area.	If enabled, you can send and receive MMS messages while roaming, but you might incur additional charges. If disabled, you won’t be able to send or receive MMS messages while roaming, potentially saving you money. Consider enabling this only when necessary to avoid extra fees.
Character Limit	Sets the maximum number of characters allowed in a single SMS message.	Exceeding the character limit will split your message into multiple SMS messages, potentially incurring extra charges if you’re not on an unlimited texting plan. Consider using MMS for longer messages to avoid splitting.

Remember to consult your mobile carrier’s website or customer support for specific details regarding data charges and roaming fees. Understanding these settings is crucial for a smooth and cost-effective messaging experience.

Network and Carrier-Related Issues: Group Texts Not Working Android

Let’s dive into the often-overlooked world of your mobile carrier and its impact on those crucial group texts. Sometimes, the issue isn’t your phone or the messaging app, but rather the invisible network that connects you to the world. Understanding these potential pitfalls can save you a lot of head-scratching and frustration.

Common Carrier-Related Problems Interfering with Group Texts

Your mobile carrier, the unsung hero (or sometimes, the villain) of your texting experience, can encounter various hiccups that disrupt group messaging.Here are some common carrier-related problems:

Network Outages: Think of it like a sudden power outage, but for your phone signal. A widespread network outage can completely prevent you from sending or receiving texts, including group messages. These outages can be localized (affecting a specific area) or nationwide.
Temporary Service Interruptions: Sometimes, carriers perform maintenance or experience brief technical glitches. These short-lived interruptions might only affect certain services, such as group messaging, while regular calls and individual texts still function.
Data Plan Limitations: Your data plan isn’t just for browsing the web. Some carriers might prioritize data usage differently for different types of messages. If you’re nearing your data limit, your group texts might be throttled or even blocked, especially if they contain multimedia.
Roaming Issues: If you’re traveling internationally or in an area with spotty coverage, roaming issues can mess with your group texts. The phone has to jump through hoops to connect to a different network, which can sometimes fail.
Carrier-Side Spam Filters: Carriers employ spam filters to protect you from unwanted messages, but these filters can sometimes mistakenly flag legitimate group texts, particularly those containing certain s or sent from unknown numbers.

Verifying Known Issues with Your Carrier in Your Area

Before you start blaming your phone or the app, it’s wise to check if your carrier is experiencing any known problems in your area. This could save you time and the hassle of troubleshooting issues that aren’t actually on your end.Here’s how to find out:

Check Your Carrier’s Website or App: Most carriers have a dedicated section on their website or app where they post network status updates and known issues. Look for a “Service Status” or “Network Alerts” page.
Use Third-Party Outage Detection Websites: Websites like Downdetector (www.downdetector.com) collect user reports of outages and service disruptions. You can check these sites to see if other users in your area are reporting similar problems. This is useful for gathering crowd-sourced data.
Social Media: Follow your carrier’s official social media accounts (e.g., Twitter/X, Facebook). They often announce outages and provide updates. You can also search for relevant hashtags to see if other users are complaining about the same issues.
Contact Other People in Your Area: Reach out to friends, family, or colleagues who use the same carrier. Ask them if they’re experiencing any issues with their service. If they are, it’s a strong indication that the problem is carrier-related.

Procedure for Contacting the Carrier’s Customer Support for Assistance

When troubleshooting fails, it’s time to reach out to your carrier’s customer support. Here’s how to navigate the process effectively:

Gather Your Information: Before you call, have your account information (account number, phone number) and a detailed description of the problem (when it started, what messages you’re missing, any error messages you’re seeing).
Find the Customer Support Number: This information can usually be found on your carrier’s website, in your account portal, or on your monthly bill.
Choose the Right Contact Method: Most carriers offer phone support, live chat, and sometimes even email or social media support. Phone support is often the quickest way to get assistance.
Explain the Problem Clearly and Concisely: Describe the issue in detail, providing specific examples (e.g., “I can’t send group texts to anyone,” or “I’m missing messages from a specific group”). Be polite but firm.
Follow the Representative’s Instructions: The support representative will likely ask you to perform some troubleshooting steps. Follow their instructions carefully.
Ask for Escalation if Necessary: If the initial troubleshooting steps don’t resolve the issue, ask to speak to a supervisor or escalate the case.
Keep a Record of the Interaction: Note the date, time, the representative’s name (if given), and the outcome of the call. This information can be helpful if you need to follow up later.

Configuring APN Settings and the Possible Implications of Incorrect APN Settings on Group Messaging

APN (Access Point Name) settings are like the secret handshake your phone uses to connect to your carrier’s data network. Incorrect APN settings can cause all sorts of problems, including issues with group messaging.Here’s a breakdown:

What are APN Settings? APN settings tell your phone how to connect to the internet and send/receive multimedia messages (MMS), which are often used in group texts. They include information like the APN name, username, password, and other technical details.
Where to Find APN Settings: The location of APN settings varies depending on your Android device and the version of Android. Generally, you can find them in the “Mobile Networks” or “Connections” settings.
Importance of Correct APN Settings: Incorrect APN settings can prevent you from sending and receiving MMS messages, which are crucial for group texts. Your phone might be able to send individual SMS messages, but group messages that include pictures or videos will likely fail.
How to Configure APN Settings:
1. Find the APN Settings: Go to your phone’s settings and look for “Mobile Networks” or “Connections.”
2. Access Point Names: Select “Access Point Names” or “APNs.”
3. Add a New APN: If you don’t have an existing APN, tap the “+” icon to add a new one.
4. Enter the APN Information: You’ll need to enter the correct APN information for your carrier. This information can usually be found on your carrier’s website or by searching online (e.g., “APN settings for [carrier name]”).
5. Save the Settings: Once you’ve entered the information, save the settings.
6. Select the New APN: Make sure the newly created APN is selected.
7. Restart Your Phone: Restart your phone to ensure the new settings take effect.
Examples of APN Settings: Different carriers use different APN settings. For example, for AT&T, the APN might be “broadband,” while for T-Mobile, it could be “fast.t-mobile.com.”
Consequences of Incorrect APN Settings:
- Inability to send or receive MMS messages (group texts with media).
- Slow data speeds.
- Inability to connect to the internet.
- Intermittent connectivity.

Software Updates and App Compatibility

Keeping your Android device and messaging apps up-to-date is like giving your phone a regular check-up and a fresh coat of paint. It’s not just about getting the latest features; it’s crucial for security, performance, and, yes, fixing those pesky group text glitches. Outdated software is a breeding ground for bugs and compatibility problems, so let’s dive into how to keep things running smoothly.

Importance of Updating Android and Messaging Apps

Imagine trying to drive a car with a cracked engine and ancient tires. You might get there, eventually, but the ride will be bumpy, slow, and potentially dangerous. The same goes for your phone. Software updates are the equivalent of engine tune-ups and tire replacements, providing critical bug fixes, security patches, and performance enhancements. Failing to update can leave your device vulnerable to security threats, slow down its operation, and lead to compatibility issues with other apps, including your messaging app.

Regular updates ensure you have the latest features and that your phone can effectively communicate with other devices and networks. Consider the scenario of a new security vulnerability being discovered. An unpatched phone is like an open door, while a phone with the latest update is like a locked one.

Checking and Installing Updates for OS and Messaging Apps

Updating your Android operating system and messaging apps is typically a straightforward process. It’s similar to upgrading your home’s software – the procedure is simple, but the benefits are vast.To update your Android OS:

Go to your phone’s Settings app.
Scroll down and tap on System or About Phone. The wording can vary slightly depending on your phone’s manufacturer.
Select System update or Software update.
If an update is available, you’ll see an option to download and install it. Follow the on-screen instructions. This usually involves accepting terms and conditions and allowing the phone to restart.
Make sure your phone is connected to Wi-Fi to avoid using up your mobile data.

To update your messaging app:

Open the Google Play Store app.
Tap on your profile icon in the top right corner.
Select Manage apps & device.
Tap on Updates available.
Find your messaging app (e.g., Messages by Google, WhatsApp, etc.) and tap Update if an update is available.

Compatibility Issues Between Messaging Apps and Android Versions

Think of different Android versions as different dialects of the same language. While most apps try to speak all dialects, sometimes the translation gets lost in the process. Older versions of Android may not be fully compatible with the latest features of a messaging app, leading to problems with group messaging, media sharing, and other functions. Similarly, older apps might not be optimized for newer Android versions, causing performance issues or even crashes.

The goal is to make sure your Android version and your apps are on speaking terms.
Consider a hypothetical scenario: A user with an older Android version (e.g., Android 8.0 Oreo) attempts to use a messaging app that has introduced a new encryption protocol. The older Android version may not support this protocol, leading to issues sending or receiving messages, especially in group chats.

The user may see garbled messages, experience slow message delivery, or even be unable to join the group chat at all.

Common Messaging Apps with Group Messaging Issues and Potential Solutions

Group messaging issues can affect various messaging apps, and the solutions often depend on the specific app and the nature of the problem. Here are some common examples:

Messages by Google (Android Messages): This is the default messaging app on many Android phones. Issues can include delayed messages, missing messages, and problems with group MMS.

Potential Solutions:
Ensure RCS (Rich Communication Services) is enabled in the app settings (if supported by your carrier).
Clear the app’s cache and data in the phone’s settings (Settings > Apps > Messages > Storage).
Check for carrier updates.
Update the app through the Google Play Store.

WhatsApp: WhatsApp is widely used, but group messaging problems, such as delayed message delivery or issues with media sharing, can still occur.

Potential Solutions:
Ensure the app is updated to the latest version.
Check your internet connection.
Clear the app’s cache (Settings > Apps > WhatsApp > Storage).
Check group settings to ensure you have the correct permissions.

Telegram: Telegram is known for its privacy features, but group messaging issues, such as notification problems or delayed message delivery, may arise.

Potential Solutions:
Update the app.
Check notification settings within the app.
Ensure you have a stable internet connection.
Check Telegram’s server status, as outages can affect messaging.

Signal: Signal is a privacy-focused app that also has group messaging capabilities. Issues, such as message delays or problems with media sharing, can occur.

Potential Solutions:
Update the app.
Check your internet connection.
Ensure the app has the necessary permissions.
Check the Signal server status.

Contact and Group Management

Group texting, a cornerstone of modern communication, often falters due to issues rooted in how we manage our contacts. Ensuring seamless group conversations hinges on meticulous contact management, from accurate phone numbers to proper group setup. Let’s delve into the intricacies of contact organization and group messaging, so you can conquer those frustrating messaging glitches.

Ensuring Contact Accuracy

The bedrock of successful group messaging is having correctly saved contacts. This includes both the individual’s name and their associated phone number. A single digit out of place, or a missing country code, can be the culprit behind undelivered messages.To ensure contacts are saved correctly, follow these steps:

Verify Phone Numbers: Double-check each phone number for accuracy. This is especially critical when dealing with international numbers, where country codes are essential. Ensure there are no extra spaces or characters.
Specify Contact Type: While not always mandatory, specifying the contact type (mobile, home, work) helps with organization. It can also aid in searching and filtering your contacts later.
Regular Updates: People change their numbers. Make it a habit to review and update your contacts periodically, especially if you notice messages failing to deliver.
Sync with Accounts: Most Android phones allow syncing contacts with Google accounts or other cloud services. This ensures your contacts are backed up and accessible across multiple devices.

Consider this scenario: You’re organizing a surprise birthday party and have a group text planned. If one person’s number is off by a digit, they won’t receive the crucial updates, potentially ruining the surprise. This illustrates the practical importance of accurate contact information.

Creating and Populating a Group Message

Creating a new group message is generally straightforward. The exact steps may vary slightly depending on your messaging app, but the core process remains consistent.To create a new group message:

Open your Messaging App: Launch the app you use for texting.
Initiate a New Message: Look for an icon that signifies creating a new message, usually a plus sign (+) or a speech bubble with a pen. Tap this to start a new conversation.
Add Recipients: Instead of entering a single contact, begin typing the names of the people you want to include in the group. As you type, your phone will suggest matching contacts from your address book. Select each contact.
Compose and Send Your Message: Once all recipients are added, compose your first message and tap the send button. Your message will now be sent to everyone in the group.

Imagine a team project where clear and immediate communication is paramount. Establishing a group message is the first step towards streamlined coordination. From scheduling meetings to sharing updates, a well-managed group message keeps everyone on the same page.

Troubleshooting Delivery Issues in Group Texts

When some contacts don’t receive group messages, it can be frustrating. Several factors might be at play, ranging from individual phone settings to network issues.If not everyone is receiving group messages:

Verify Contact Information: Double-check the phone numbers of the contacts who aren’t receiving messages. Are they correct, including country codes?
Check Messaging App Settings: Ensure that group messaging is enabled in your messaging app’s settings. Look for options related to MMS (Multimedia Messaging Service), as group texts often rely on this.
Network Connectivity: Make sure everyone in the group has a stable cellular or Wi-Fi connection. Spotty service can prevent messages from being delivered.
Individual Phone Settings: Ask the contacts who aren’t receiving messages to check their phone settings. They might have accidentally blocked the sender or have message filtering enabled.
Carrier Issues: Sometimes, there can be issues on the carrier’s end. Contact your carrier or the affected contacts’ carriers to inquire about potential service outages or messaging restrictions.
App Compatibility: Ensure that all members of the group are using messaging apps that support group messaging. Some older phones or apps might have limitations.

Consider a scenario where a crucial announcement about a company event is missed by several employees. This highlights the impact of undelivered group texts, leading to miscommunication and potential operational issues.

Best Practices for Group Contact Management

Effective group contact management requires proactive measures. Here’s a set of best practices to minimize messaging problems.

Regular Contact Audits: Periodically review your contacts to ensure accuracy. Delete old numbers, update outdated information, and verify existing entries.
Group Naming Conventions: Give your group chats meaningful names. This makes it easier to identify the purpose of each group and prevents confusion.
Contact Organization: Utilize contact groups within your phone’s contact app. This enables you to easily select all the members of a particular group when starting a new message.
Communicate Preferences: Before adding someone to a group, ask them if they’d like to be included. This respects their privacy and ensures they are comfortable receiving group messages.
Backup Contacts: Regularly back up your contacts to a cloud service or your computer. This protects against data loss in case of phone damage or other unforeseen events.

Following these best practices is akin to establishing a well-oiled machine. It ensures smooth communication, minimizes errors, and keeps everyone informed.

Advanced Troubleshooting

Sometimes, despite our best efforts, the simplest fixes aren’t enough. When the standard troubleshooting steps have failed, it’s time to delve into more advanced techniques. These methods involve manipulating the app’s inner workings and, as a last resort, resetting your phone to its factory settings. Proceed with caution, as these actions can lead to data loss if not handled correctly.

But fear not, we’ll guide you through each step.

Clearing Cache and Data of the Messaging App

The messaging app, like any application, stores temporary files (cache) and user data. Over time, these can become corrupted or bloated, leading to performance issues, including problems with group texts. Clearing these can often resolve the issue.To clear the cache and data:

Open the Settings app on your Android device.
Tap on Apps or Applications (the wording may vary depending on your device).
Locate and tap on your messaging app (e.g., Messages, Samsung Messages, etc.).
Tap on Storage.
Tap on Clear Cache. This will remove temporary files.
If clearing the cache doesn’t work, tap on Clear Data. This will remove all app data, including messages, settings, and attachments. Be aware that this will erase your message history, so back up your messages if you wish to keep them.
Restart your phone after clearing the cache and data.

Performing a Factory Reset of the Phone as a Last Resort

A factory reset returns your phone to its original state, as if it were brand new. This can resolve deep-seated software issues that are preventing group texts from working correctly. However, it’s a drastic measure and should only be considered after trying all other troubleshooting steps.Here’s how to perform a factory reset:

Back up your data first! This is critical, as a factory reset will erase everything on your phone. See the next section for detailed instructions on backing up your data.
Open the Settings app.
Tap on General management or System (the wording varies).
Tap on Reset.
Tap on Factory data reset.
Review the information and tap on Reset or Erase all.
You may be prompted to enter your PIN or password.
The phone will restart and begin the reset process, which may take several minutes.

Backing Up the Phone’s Data Before Performing a Factory Reset

Losing your precious photos, contacts, and other important data can be devastating. Before performing a factory reset, it’s crucial to back up your phone’s data. There are several ways to do this.Consider the following methods:

Using Google Drive: Most Android phones have Google Drive integration. You can back up your contacts, photos, videos, and other data to your Google account. Go to Settings > Google > Backup and enable the backup.
Using your phone’s built-in backup feature: Some manufacturers, like Samsung, offer their own backup solutions (e.g., Samsung Cloud). Check your phone’s settings for a backup option.
Using a computer: Connect your phone to your computer via USB. You can copy files like photos, videos, and documents to your computer.
Using a third-party app: Several apps are available in the Google Play Store that can back up your data. Research and choose a reputable app with good reviews.

The Role of a SIM Card in Group Messaging and How to Troubleshoot Potential SIM Card-Related Problems

The SIM card is the physical link to your mobile network. While group messaging typically relies on data, the SIM card still plays a role in verifying your identity and allowing the messages to be sent and received. Issues with the SIM card can sometimes interfere with group text functionality.To troubleshoot SIM card-related problems:

Check the SIM card’s physical condition: Ensure the SIM card is properly inserted into the phone and isn’t damaged. If the SIM card is visibly damaged, you’ll need a replacement from your carrier.
Try the SIM card in another phone: If possible, insert your SIM card into another phone to see if group messaging works. If it does, the problem is likely with your phone, not the SIM card. If it doesn’t, the issue is likely with the SIM card or your account.
Contact your carrier: Your carrier can check if there are any issues with your account or SIM card. They can also provide a new SIM card if necessary.
Check for network connectivity: Ensure you have a stable network connection. Group messages require a working network connection to send and receive. Look at your phone’s signal bars to see if you have a signal.