1, it may be that more background processes will take up more CPU, which will lead to the jam.

Solution:

Click the "box key" at the bottom of the screen (some mobile phones press the "box key" for a long time), and slide up from the bottom of the screen (or click the trash can icon) to clean up the background process.

2. Some applications may have background running protection or automatic startup permission, and may also cause background running programs to occupy more CPU, resulting in a stuck machine.

Solution:

Change some mobile phone settings through mobile phone housekeeper:

A. open settings > settings all > protected background applications (EMUI 4.0 and above platforms: mobile phone housekeeper >; The remaining xx%> protection application (or screen lock cleaning application), shut down unnecessary background running software.

B. open settings > auto-start (EMUI 4.0 and above platforms: mobile phone housekeeper >; Automatic startup management), shut down the software that doesn't need to start automatically when it is turned on.

C. open the phone manager > accelerate optimization (or cleaning acceleration) > settings, check the phone slow reminder, and when the phone has this reminder, please optimize the phone.

3. Background downloading or file copying will take up system resources, leading to a stuck machine.

Solution:

Pause background download or file copying. It is recommended not to multitask at the same time.

4. When the SD card stores too many files, the quality of the SD card used is poor, and the reading and writing speed is slow, it will cause the system to get stuck when reading files.

Solution:

Unplug, replace or clean the SD card. It is recommended to replace high-speed microSD cards purchased from regular channels (such as cards of big brands such as SanDisk and Samsung, such as class 10), and try to avoid overstocking of SD cards.

5. In the case of unstable network, the delay of online games will be high, and when playing online videos and online music, it will load slowly and feel stuck.

Solution:

Use a data network or wireless local area network with stable network speed and signal.

6. If the phone is not turned off for a long time, the system will cache too much data and the mobile phone will not work well.

Solution:

You can try to restart the phone to recover.

7. mobile phone service (or membership service) > self-service (under the service tab) > performance optimization, and adopt appropriate optimization methods according to the contents displayed on the screen.

8. General system upgrades will improve the performance of mobile phones. It is suggested that after backing up the data, try to upgrade to the latest version of the mobile phone through online upgrade or Hisuite.