Cannot receive text messages

These questions are difficult to answer combined. However, I recommend you to do a hard pass or a soft pass!

For the former, enter *#7370# in standby mode, and then enter the confirmation code (originally: 12345, only you will know if you change it). Restoring the system to factory settings will delete personal data on the C drive. Can solve simple cell phone problems! The latter is a hard case. Press and hold the * key, 3 key, and green call key at the same time, and then press the power key. Do not let go when the handshake screen appears, until the phone is turned on! Restoring the system to factory settings will delete personal data on the C drive. Serious cell phone problems can be solved! When the phone is turned off, press the main dialing key * key + 3 key at the same time and then press the power key until the word "FORMATTING" appears on the screen, then formatting begins. During formatting, the screen of the phone gradually turns black from left to right, and the time is approximately After about 2 minutes, everything is normal after restarting. However, you still need to format the card after formatting the device. It is recommended to back up the contents on the card first and then format the card and then format the device