Apple phones can't send text messages. What happened?

1, maybe the phone is turned off or airplane mode is turned on. If you owe money, you should repay it in time.

2. Check whether the SIM card is installed.

3. Check whether the SMS function of the mobile phone is available. If the send button is gray, you can try to upgrade the system of the mobile phone or restart the mobile phone.

Tips for using Apple mobile phone: 1. Some models of Apple mobile phones support 3Dtouch function. Press the screen again to perform related operations.

2. The 2.iPhonex series supports FaceID. Open "Face ID and Password" in the settings, click "Set Face ID", and then follow the system instructions.

3.iPhonexr and iPhonexsmax support dual card dual standby function.

4. Open the control center of the mobile phone and click "Screen Mirror". The mobile phone will automatically search for available TV equipment nearby, and click the TV name to project the screen.

Data expansion: SMS can be divided into two types: one is text or digital information sent or received directly by users through mobile phones or other telecommunication terminals, and the other is MMS, which is characterized by supporting multimedia functions and can deliver comprehensive content and information.