Download Do S2 Flash File:
How to Flash Do S2:
Only Qualcomm CPU with Firmware extension .cpb can be flashed using QGDP tool.
1- Download the latest QGDP tool.
2- Install ADB driver.
3- Now, connect mobile to PC holding boot key.
4- Open device manager and confirm your mobile has been identified by PC.
5- Unzip tool and run the setup.
6- When tool interface appears, enter Username=admin & Pass=123456 as password.
7- Click on Login to use the tool.
8- Select Flash File & Flash.