Check which number your phone uses to send messages, then test sending and receiving. Follow the steps for the type of message that fails: iMessage on iPhone, an undelivered iPhone message, or RCS in Google Messages.
Start with the symptom
If the phone also shows SOS or No Service, use the service guide first. If calls work but messages fail, note whether the issue affects every message, only photos or groups, or only a particular conversation. That distinction helps identify which messaging service needs attention.
Check iMessage on an iPhone
- Open Settings, then Cellular, and check that the intended line is enabled.
- Open Settings, then Apps, then Messages.
- Open Send & Receive and select the phone number you want to use. Check the number used to start new conversations as well.
If an iPhone message was not delivered
Check the connection, then tap the red error indicator and retry. If it still fails, the menu can offer sending it as a text message. A green message bubble alone does not mean delivery failed.
Check RCS in Google Messages
RCS needs an internet connection and may need to verify your number again after a carrier move. If the status remains stuck, contact Previ with the exact message. For Trouble connecting. Awaiting retry lasting over 30 minutes, Google directs you to Details, then Submit feedback.
Test the type of message that failed
Send a new message from the intended number and ask the recipient to reply. If photos or groups were the problem, test those too. If the problem remains, tell Previ the number, phone model, messaging app, and which test failed.
Video transcript
Here’s how to check the sending number and restore text messaging.
If the phone also shows SOS or No Service, use that guide first. If calls work, note whether messaging fails for every message, only photos or groups, or one conversation.
On an iPhone, first check that the intended line is enabled in Cellular. Then open Settings, Apps, Messages, and Send and Receive. Select the correct phone number for receiving messages and starting new conversations.
For a message marked not delivered, check the connection and tap the red error indicator to retry. The menu may offer sending as a text message. A green bubble by itself is not a delivery failure.
RCS in Google Messages needs internet access and may reverify your number after switching carriers. If it remains stuck, tell Previ the exact status. For Trouble connecting, Awaiting retry lasting over thirty minutes, Google directs you to Details, then Submit feedback.
Send a new message from the intended number and ask for a reply. Test photos or groups if those failed. If the problem continues, tell Previ the phone model, messaging app, and which test failed.
Use the steps for your own line and device. If the screen or result is different, contact Previ support with the message you see.