For the problem of low Android system version, the following methods can be used to upgrade.First, you can try to view the current system version through the "About Mobile Phone" or "About Tablet" option in system settings, and compare it with the latest version officially recommended.If you find an update available, you can try upgrading manually.Secondly, third-party software can be used to automatically detect and upgrade the system version.These software usually provide a more convenient way to upgrade, but you need to pay attention to selecting reliable software and ensure that it will not cause any damage to the equipment.Finally, if the above methods are not effective, you can consider contacting the mobile phone manufacturer or after-sales service center for help.They usually provide corresponding technical support and guidance to ensure that the equipment can operate normally and obtain the best performance.
Brush the phone, enter the corresponding model section of the machine front forum, there are roms and tutorials, the simplest is card brush, depending on your phone model
