1, the phone storage is full. Because there are many applications downloaded by mobile phone, the memory of mobile phone is not enough, and there is no place to store short messages, so I can't receive them. The processing is very simple, just uninstall the software that has not been used for a long time in the mobile phone and clean up some memory.
2. establish a blacklist. Smartphones have blacklist and spam automatic interception functions. If you don't receive the message, it is very likely that you have been blacklisted or blocked as spam messages. The solution is to close the blacklist.
3, mobile phone arrears: it may be that the mobile phone is in arrears and stopped, so the short message can not be received, and the phone bill will be solved.
4. The cell phone signal is very poor. For example, the cell phone signal is weak in subways, elevators and some buildings. At this time, you can try to go to a place with good cell phone signal and receive a short message again.
5. The inbox of mobile phone is full. If the inbox receives too many messages, especially non-smart phones, you won't receive other messages. You can delete the message you received before and try again.
Precautions for mobile phones
1, reduce excessive use: excessive use of mobile phones can cause eye fatigue, headache, cervical pain and other problems. It is recommended to have a rest every once in a while.
2. Set a reasonable brightness: Severe use of the mobile phone screen for a long time may cause damage to the retina of the eyes. It is recommended to set the screen brightness not too high and adjust it to the best use angle.
3, pay attention to posture: sedentary use of mobile phones will lead to cervical fatigue and pain, should always maintain a good posture to avoid long-term use.
4. Maintain battery life: avoid long-term overcharge or overdischarge to extend the battery life of mobile phones. Try to use original chargers and cables to avoid using inferior charging equipment.
5. Pay attention to network security: Be careful when downloading applications, and only download trusted applications from the official app store. Avoid clicking suspicious links or downloading files of unknown origin. Update the mobile phone operating system and applications regularly to get the latest security patches.