2. Then see how much software is downloaded on the mobile phone. The general configuration of old mobile phones will become more and more backward, so the old mobile phones should try not to download too much software to use and slim down.
3, after reading those, from the phone memory. The memory of a mobile phone determines its endurance. Too full memory is not good for mobile phones, and it may also be an important factor in the crash of mobile phones.
4. In addition to the above factors, it depends on how much garbage there is in the mobile phone. The longer the mobile phone is used, the more garbage there is. It is necessary to clean up the mobile phone garbage in time.
5. Finally, there is a hint. If the memory of the mobile phone is really small, then consider the root mobile phone.