Flashing Guide

A. Flash ROM:

First of all make sure your device has unlocked bootloader.

If you are on an Android version higher than the TN version you need to install (downgrade Android) => Miflash to the original China ROM with the same Android version as TN, then flash TN.

Install the driver for your computer if you don't have it yet ("Driver" folder in the rom file or download here, right-click on android_winusb.inf and select Install).

Put the device into fastboot mode -> Unzip the .7z rom in the computer -> Run the file "TNFlash.exe" (Do not run with Admin rights) -> Type "2" if keeping data, type "1" if Format data when asked in the "C. Data options" section -> Press Enter and wait for the success message and the phone to restart.

Note:

Uninstall TNToolbox update if any before Flashing ROM. If TNToolbox still error then see fix guide below section C.2.

Go to recovery to format data and reboot or run the rom via fastboot again if it fails to boot.

If there is a small error when selecting Update, you should also Format data.

B. Steps to take after flashing:

Turn on Google services and log in to CHPlay . (In Account Settings and sync or in the notification asking to Turn on Google services)

If the update causes an error with TNToolbox, see the fix instructions below in section C.2.

Update Google app on CHPlay. (For OK Google and CTS to work)

Go to TN Toolbox to enable the necessary features. (Update Play Integrity if Google certification error, extension source, game unlocking...).

Enable auto-launch, lock screen permissions, enable windows for Messenger, Zalo applications... to limit notification delay and display on the lock screen.

If you choose Update when flashing, delete Messenger data to return the chat bubble to the old round shape without display errors. (2.8+).

Restore Google if needed: Go to app settings, find Android Setup and Turn it On. Then restart the device and you will be prompted to Set Up Google.

Flashing Guide

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