Tianyu T780 doesn t have root permissions,What to do if the lock screen can t be unlocked now 5

Hello, 1) After querying that your model did not write recovery mode when it left the factory, it cannot be unlocked by using the method of double clearing. Your phone does not support unlocking with Recovery mode for the time being.

2) It is recommended that you contact the Tianyu after-sales service center, 3) the address of the Tianyu national after-sales service center, 4) In view of the great importance and protection of your personal privacy and information security, at present, we cannot provide **or** direct query or reset password service, it is recommended that you bring your mobile phone and related purchase vouchers, go to the Tianyu authorized service outlets, and the engineer will help you operate; Tips: The password reset function may affect your ** book and information, etc., it is recommended that you back up the personal information in your mobile phone in advance to avoid data loss;

When you turn on the computer, use the shortcut keys to restore factory settings.

Hello, 1) After inquiry, your model did not write recovery mode when it left the factory, so it cannot be unlocked by using the method of double clearing.

2) It is recommended that you contact the Tianyu after-sales service center to help you decrypt your mobile phone.

In view of the great importance of your personal privacy and information security and the protection of reputation, at present, we cannot provide **or** direct query or reset password service, it is recommended that you bring your mobile phone and related purchase vouchers, go to Tianyu authorized service outlets, and the engineer will help you operate; Warm reminder: The password reset function may affect your ** book and information, etc., it is recommended that you back up the personal information in your mobile phone in advance to avoid data loss.

1. To restore factory settings.

Second, if it is a smartphone, the mobile phone can be operated on the computer, and it is estimated that it must also be formatted.

The phone root is currently unable to recover,But you can flash back the original official ROM again,Personal feeling that although the root may not be warranted after the root,But there should be no big problem in fact,If you don't worry,Just brush back the official one。 (I hope it can help you, please click "Praise" below my answer, thank you.)

Dear users, hello!

It is recommended that you do not flash the machine by yourself in the future, you will lose the software warranty after flashing the machine or root, and you need to charge a certain fee to restore the system or involve software problems, and the hardware is still warranted, so please operate with caution.