Important Note!!!

Tip:

If the original system date is after 20240820, it can be upgraded to a new version of the system through an upgrade package.
When using balenaEtcher flash TF under MacOS system, automatic partitioning will fail. It is recommended to use rufus flash TF under windows.
The system needs to install data on the first boot, Please be patient and do not manually shut down or restart.
Upgrading the upgrade package may cause problems with some functions. If you encounter this situation, please use a new image to flash TF.

Used to create a brand new system for TF1, After flashing, all the original data of TF1 will be lost. Please make a backup in advance.

Download the corresponding OS_image file according to the model
Decompress the image
Write the image to an SDCARD using an imaging tool. Common imaging tools include Rufus, Balena Etcher, Raspberry Pi Imager, and Win32 Disk Imager. If you're skilled with the command line, dd works fine too.

Support both Stock OS and Stock OS MOD system upgrades simultaneously, Require the system version before upgrading to be no less than 20240820.

Download the Update_Package
Decompress the Update_Package to obtain the "Roms" folder
Copy the "Roms" folder to TF 1 or TF 2 card game partition
After booting up, enter "App Center", find the corresponding "APPS" simulator, and run "RG??xx?_Upgrade_202xxxxx" inside it
Follow the prompts to complete the system upgrade
The first restart may take a longer time, please be patient and wait

Go up a directory and download the folder. Google Drive will make a zip of this folder and allow you to download that instead.