How to delete SMS in Android system

1. Open the settings of the mobile phone, click "Store" to see the total capacity and available space, and check the proportion of space occupied by applications, pictures and videos respectively. If the proportion is large, which one should be cleaned up.

Under normal circumstances, the application will be installed in the memory of the mobile phone by default, so it is necessary to choose the SD card as the default memory.

3 Install LBE security master (it should be noted that this is an active defense security software for Android system, and the complete function requires ROOT user. Compared with 360 mobile guards, it takes up less running memory. After opening LBE Security Master, click "Software Management". After entering, you can see functions such as "uninstall pre-installed software" (ROOT is required to uninstall pre-installed software, so use it carefully), and select "Mobile software". After entering, you can see two parts: body software and memory card software. At this time, the fuselage software can be transferred, but some software is not recommended (such as input method and other software that needs to be automatically started). After the transfer, you will find that the internal memory of the mobile phone has increased significantly.

4 In the settings, click Apply. Switch to "All" after entering. At this point, all applications on the phone will be displayed. Select some market-oriented applications (because they are often used when updating mobile phone applications, resulting in more cache files), select the "clear data" option after entering, and click Clear. These stubborn cache cleaning software can't be completely removed, so it needs to be solved by itself. Of course, it should be noted that some chat applications (such as QQ) may lose chat records and other information after being cleaned in this way.

5 You can also directly set and click Backup and Recovery. The data will be backed up first and then restored to the factory state.

You can set anti-harassment and download 360 or other software.