Step 2 :- From TWRP,go to Install Menu,click on Images button. Step 1 :- Clean flash the OxygenOS 2.2.1 which has old bootloader. REVERTING TO ROMS REQUIRING OLD BOOTLOADER If not, go to device manager and right click "Unknown Device" and click "Update Driver" Search up the QC folder and press ok. The driver should now automatically install.When completed, restart your PC again with Driver Signature Disabled.Run the Qualcomm setup wizard (also located in the qc folder).Open the folder "qc" and install the Test Certificate in the following Stores: Trusted Root, Trusted Publisher, Third-Party Root and Personal.
Shift+Right Click anywhere in the folder and Open Command Window.ġ.) Make sure driver signature enforcement is disabled.Ģ.) Try these drivers,one of them might work too :. Step 13 :- Navigate to the folder containing Latest OxygenOS Zip. Step 12 :- Install adb for windows system-wide if not already installed :. Step 10 :- Boot your phone into recovery (Power+Volume Down). NEXT STEPS ARE TO BE FOLLOWED ONLY IF YOUR OP2 DOESN'T BOOT INTO SYSTEM STILL BUT IS STUCK ON ONEPLUS LOGO. Step 9 :- Disconnect phone from PC and boot into system. Step 8 :- Click start at top left corner and wait for it to finish (green text will come). Step 7 :- When the device shows as Qualcomm 9008 ,go to the extracted Recovery Package and run the MSM Download Tool as administrator. inf file manually from x86 or 圆4 folder as the case implies and select Qualcomm 9008 from the listed devices.If you are unable to see 9008,see the end of post for various other methods to show Qualcomm 9008. Step 6 :- Right Click on your device in the device manager and select Update Device Software. Step 5 :- Press only volume up button for 10 seconds and while keeping it pressed,connect your phone to PC.Keep volume up pressed till your device shows in device manager as. Step 4 :- Press the power button for 40 seconds to turn off the phone. Step 3 :- If you are using Windows other than Windows XP,turn off Driver Signature Enforcement.To do so,follow this guide :. Step 2 :- Extract Drivers and Recovery Tool files on Desktop.
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