In this article, we will explain you with a step-by-step instructions on how to install official stock firmware (ROM) on OnePlus 8T phone without visiting the service center easily.
Caution: Flashing or installing stock firmware will erase all data on your device. We strongly recommend backing up your important files before proceeding with the steps below.
Also read: OnePlus 8T Plus 5G Hard Reset
How to install Stock Firmware on OnePlus 8T
Here, we provide the most common and useful method is to flash stock firmware on your Phone. This makes the phone like new and you will start enjoying using your OnePlus 8T again. Before that, you will need to follow the requisites before flashing the phone.
Read More: OnePlus 8T FRP Bypass
Pre-requisites
- Full Charge your OnePlus 8T.
- Use the OEM original USB cable.
- Please take backup of your OnePlus 8T.
- Install OPlus USB Driver on your Windows.
Downloads Stock Firmware & Flash Tool
Download the stock firmware and flash tool from below to begin the flashing process.
Steps to Install Firmware
The MSM Download Tool is a service center firmware flash or update tool requires authorized ID and password to perform flashing or unbrick the phone. You can contact me to get login and flash your phone.
More: Tiny ADB and Fastboot Tool V1.4.0
Extract Firmware & Tool

- Download latest version of MSM Download Tool & stock edl firmware,
- Next, extract both files in a same folder to your Windows computer.
- Install the Oplus Driver.
Run Oplus Download Tool
- Run Download-tool.exe on your computer.
- Select Others & Click Next.

- If you’ve Login id & password then put the id password or leave it as blank.
- The firmware will select automatically.
Connect the phone to PC
- Power Off your OnePlus 8T and put into the EDL mode.
- Press & Hold Volume Up + Volume Down + USB cable.
- Next, Connect the phone to PC.

- Go back to the tool, Click “Flash” to initiate flashing process.

- Wait until Success.

- Disconnect & Power On your OnePlus 8T.
Read other Tutorials:
- Unlock FRP Google OnePlus 8T
- Downgrade OnePlus Ace 3 Pro to Lower OS Version
- Unbrick OnePlus 12
- GAPRO Login Tool OTP
- Bypass Google Gmail FRP Lock on OnePlus Nord CE4
Notes
Also, you can use this method to reinstall OxygenOS, Unbrick OS, upgrade or downgrade OS version, switch from ColorOS to OxygenOS & unlock screen & Frp lock etc easily.
OnePlus Firmware: Are you Looking for the official firmware for your OnePlus smartphone? you can visit the official OnePlus community forum to download OnePlus Firmware for your OnePlus model.
OnePlus USB Driver: The procedure will requires the original USB drivers for your phone. Head over to the Download OnePlus USB Driver page.

