1. Download the flashing tool and Samsung phone driver (just unzip the flashing tool, the driver file needs to be installed)

Flashing tool: English version: https://drive.google.com/file/d/1XQ3bTMFjZ5BQs6JUw1ebJoJZH9FujsuB/view?usp=sharing

Chinese version https://drive.google.com/file/d/1GqGgkhw8jQr7nmOjyHKqGMkGYeAjNNrM/view?usp=sharing

Samsung phone driver: https://drive.google.com/file/d/13Ttzf66z7Uu1K3kx7QeDZFSWvcfHtSm2/view?usp=sharing

Contact customer service to request optimized system ROM files.

2. Use the adb command of the control software to put the phone into flash mode

We enter the flash mode through the simplest command method, open the control software adb command window, enter adb reboot download to run

The phone will then disappear and enter the flashing mode. Through the Odin3 tool, you can see that the phone has entered the flashing queue.

3. Unzip the rom file and use the flash tool to select the corresponding file

Select the corresponding file according to the first letter of the file

Then select the second option, check the second position, and click Start Flashing.

Checking the second position will clear the original data of the phone, making it cleaner

Do not turn off the power during flashing, and wait for the phone to automatically turn on after the flashing is completed.

Open the screen mirroring software to see the phone, and you are done.