Method 1: Clean the running program and sd card.
Step 1: If the memory space of the SD card is insufficient, you need to clean up the uncommon packages stored in the SD card, or pictures, videos, music, etc. If necessary, a larger SD card needs to be replaced.
Step 2: Pull down the hidden page on the phone, and you will see one-click cleaning. Click one-click cleanup to close all currently running programs, thus freeing up the memory space occupied by some programs.
Method 2: system optimization cleaning.
Step 1: Click Program Management to enter the system optimization page. On the system optimization page, you can directly clear the memory with one click.
Step 2: You can also click Run to close unused programs in the running program and free up some space.
Step 3: 3 You can also click on the cache file to enter the cache file page, click on the clear all the cache files of all programs in the upper right corner to clean them up, or click on the clean directly after the program you want to clean, and clean the cache files separately.
Method 3: Clean up the data generated by using the application.
Step 1: Click the phone's settings button to enter the settings page.
Step 2: Enter the settings page and click General.
Step 3: Enter the regular page and click Apply.
Step 4: Enter the application page and click Install.
Step 5: Enter the Installed page, see all installed programs, and click the program to be cleaned.
Step 6: Click on the program to be cleaned, and you will see the program information. Click Clear Data to clear the phone cache and clean it up.