There are too many background programs.
Often open many applications, but forget to close them? Remember to clean the background regularly to make the phone smoother!
Mobile phone memory is in a hurry.
Files, photos, applications ... Mobile phone memory is not enough? Delete it quickly, the phone will slim down and the speed will fly!
Third-party software problems
Does a software always give you a headache? Try uninstalling or changing the version, and maybe the problem will be solved!
System update
Is there a new version of the mobile phone? Upgrade quickly, the new system may bring a better performance experience!
Restore factory settings
Have you tried everything? After backing up the data, give the phone a key to restore the factory settings and see how it works!
Professional after-sales support
Still can't solve? Take the purchase invoice and maintenance card and go to the service center to find a professional engineer to help you!