From this comprehensive post, you could unbrick your OnePlus device and restore it to the Stock ROM. We will be using the MSM Download Tool for the said purpose. It is compatible with near about all the OnePlus devices, namely, the OnePlus 3, OnePlus 3T, OnePlus 5, OnePlus 5T, OnePlus 6, OnePlus 6T, OnePlus 7, OnePlus 7PRO, OnePlus 7T, and OnePlus 7T Pro, OnePlus 9 Series.
The open-source nature of Google’s Android OS lets you perform a wide variety of tweaks. The primary of which includes the unlocking of the bootloader. This in itself opens the gates to a plethora of other customizations. For example, you could then install a custom recovery like TWRP and flash tons of mods, frameworks, flashable ZIP files, among others. Likewise, getting administrative privileges becomes quite an easy task as well. With the help of Magisk, you could easily root your device and perform system-level modifications. All this does sound good and gives your device a fresh new lease of life. However, they come with an associated risk as well.
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The general cases include the device getting into a boot loop. Although quite scary in itself, the thing is your device could still be booted to fastboot mode. From there you could execute a few codes and bring your device back to normal. But things begin to go south when you end up bricking your device, There could be man reasons for the same. Flashing an incorrect build of a file or carrying out some risky system-level tweaks could all result in the same. But if you are having a OnePlus device, there is a pretty nifty escape route available. Even if you have bricked your device, you could still bring it back from dead, using the MSM Download Tool. In this tutorial, we will show you how to unbrick or restore your OnePlus device to the Stock ROM. Let’s begin.
Also Read: Fix: OnePlus Verification Failed When Installing New Update
Unbrick or Restore OnePlus Back to Stock ROM
The best part with a device having a Qualcomm chipset under the hood is that it supports the EDL mode. The Emergency Download Mode is a boon for all tech enthusiasts. Even in a bricked state, you just need to boot your device to EDL mode and flash the stock firmware. Your device will then be back to normal working condition within a few minutes.



What a fantastic way of explanation to the core.. I did unbrick of my device .. I would like to thank getdroids team wholeheartedly..thank u all…