First, clean up the running memory:

1, bring up the background running software, and speed up the background cleaning with one key;

2. Uninstall the software that is not commonly used (the processes and plug-ins of the software will occupy the running memory);

Note: Before uninstalling the software, please back up the data in advance to avoid losing important data.

3. Enter Settings-Applications and Permissions/More Settings-Permission Management-Permission-Start-Close Unnecessary Software;

Note: closing QQ, WeChat and other software and starting new messages may not remind you in time.

4. Enter settings-storage and storage space-running memory-starting memory fusion, and expand the integration of RAM and ROM; If there is an application memory compression option, it can also be turned on;

Note: If there is no such path, the phone does not support the memory fusion function.

5. Run the software reasonably according to the configuration. If the configuration is low, try not to run large games or multiple softwares with high configuration requirements.

Second, clean up the storage space of the mobile phone:

1, enter I housekeeper-space cleaning, and clean up the garbage cache;

2. Enter the file management to delete unnecessary files (installation package, video, compressed package, etc.). );

3. Go to Settings-Applications and Permissions/More Settings-Application Management-Find the corresponding software-Store-Clear the cache;

Note: Please back up the data in the software before this operation to avoid loss and irrecoverability.

4. Enter Settings-System Management/More Settings-Backup and Reset/Restore Factory Settings-Clear all data.

Note: "Clear all data" will restore the mobile phone to its initial state and delete all data in the system space of the mobile phone, including account number, system and application data and settings, and installed applications. Please back up the important data on your mobile phone before operation.