If you’re having problems sending or receiving messages, try the following:
If you see
, your text message was not sent.
Check your signal strength:
Adjust your notification settings.
Your data plan must support MMS (multimedia messaging) and cellular data must be on.
Uninstall any recent app updates.
Go to Settings > Apps > Messaging >
> Uninstall updates.
If you’re having problems with WhatsApp, Facebook, or other messaging apps that you installed: