What if Apple 6s plus can't send photos by SMS?

It may be that the mobile phone has no MMS data connection function, so you need to manually set the MMS data connection to accept MMS.

1 Open SMS;

Click on the camera to send.

The specific operation steps for establishing MMS data connection are as follows:

Click the home screen to enter "Settings".

Click to enter the "cellular data network" option.

Enter cmnet in APN option, and the user name and password are empty.

Settings: APN is cmwap；; Mmsc.monternet.com is MMSC；; The MMS agent is10.0.0.172; The maximum MMS size can be filled in at will, and it is recommended to be greater than 1000.

Return to the main interface of settings, and then find and select the "Information" option.

Turn on the option switch for sending and receiving MMS.