Excuse me, master, why can't I send regular messages after swiping 4.0 on Mi -one plus for more than 24 hours? Prompt that sending timed SMS failed.

Hello! It may be that some applications in your system interfere with the normal operation of the system, especially some programs that have obtained root permission. For the safety of your mobile phone system, please do not use root permission at will. It is recommended that you back up your data, go to recovery and clear all data (turn off your phone, press and hold the volume up+power on button to enter recovery), upgrade your phone to the newly developed system with a wire brush, and don't install the application software that requires root permission for the time being to see if it can be restored to normal.

Thank you for your support and wish you a happy life!

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