1. If the mobile phone supports the Micro SD card, if the Micro SD card is inserted, move the large file to the Micro SD card for storage;

2. Import uncommon files into the computer for backup;

3. Clean up the storage space:

Downloading too many applications will lead to insufficient memory. It is recommended that you uninstall infrequently used applications to free up memory.

File management > cleaning files > checking data to be cleaned > one-click cleaning.

Mobile phone housekeeper > space cleaning (or cleaning acceleration) > view the data to be cleaned > one-click cleaning.

After long-term use, WeChat, QQ and other applications will produce a large number of cached data (pictures, videos, etc. ) to occupy storage space. I suggest you selectively clean up the storage space of WeChat and QQ applications.

If the memory is still too large after trying the above methods, it is recommended to back up important data and restore the mobile phone to factory settings.

other

The mobile phone is out of memory. It is recommended that you optimize the memory by the following methods:

1. It is recommended to uninstall some unused applications.

2. If your device supports microSD card storage expansion, it is recommended to use microSD card (high-speed microSD card of common brand is recommended) to move personal files in the mobile phone to microSD card for storage.

3. It is recommended to use mobile phone housekeeper cclean. Click phone manager > accelerate cleaning. After scanning, click one button to clean up, or select the content to clean up according to actual needs.

4. After using WeChat, QQ and other applications, the storage space is insufficient, which may produce a large number of cached data (pictures, videos, etc.). );

It is recommended that you selectively clean up the application storage space of WeChat and QQ.

Cleaning scheme:

For example, on WeChat, go to WeChat Me > Settings > General > Clean up WeChat storage space for selective cleaning;

For example, QQ, enter QQ, slide the screen to the right, and click Settings > Space Cleaning to selectively clean up.

5. If the memory is still insufficient after trying the above methods, it is recommended to restore the factory settings of the mobile phone after backing up important data (checking "Format internal storage space" can clean it up more thoroughly, but please back up important data to external storage such as computer, SD card or cloud first).