ROOT permission is an important kernel center of mobile phone, which can access and modify all files of mobile phone. If it is modified without authorization, it will affect the stability of the mobile phone, and it will be easily invaded by some hackers, causing serious damage to the mobile phone and directly affecting its use. Therefore, if it is found that the mobile phone installation uses the root modification file, the resulting bad phenomenon should be caused by human factors, and it will not be guaranteed according to the warranty regulations.

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