OnePlus 8 unbrick tool

 OnePlus 8 က စျေးကွက်ထဲကိုမရောက်သေးပေမယ့် သူ့ဖုန်းတွေ Firmware Brick ပြဿနာတက်ရင် ဖြေရှင်းနိုင်အောင်လို့ OnePlus 8 unbrick tool ကိုထုတ်ပေးလိုက်ပုံရပါတယ်.. Service သမားတွေ ဆောင်ထားသင့်တဲ့ Tool လေးမို့ ပြန်လည်မျှဝေလိုက်ပါတယ်..

[OP8][OOS 21AA/BA/DA] Unbrick tool to restore your device to OxygenOS
Disclaimer: By attempting any of the processes listed in this thread you accept full responsibility for your actions. I will not be held responsible if your device stops working, catches fire, or turns into a hipster and claims to have been modified before it was cool.
Similar to the previous threads for

OP3, OP3T, OP5, OP5T, OP6, OP6T, OP7, OP7PRO, regular OP7T, T-Mobile OP7T, regular OP7TPRO, T-Mobile OP7TPro 5G and OP8Pro here are the EDL packages (also known as MSM tools or unbrick tools) that can revive a bricked OnePlus 8.

You should also be able to rollback your phone to a previous release of OOS with them if for some reason you want to go back to an older firmware

You can download the following versions:
IN21BA tools (european firmware):
ANDROID 10:

• OOS 10.5.1
• OOS 10.5.2

IN21AA tools (international firmware):
ANDROID 10:

• OOS 10.5.3

IN21DA tools (indian firmware):
ANDROID 10:

• OOS 10.5.3

Warning:
As this happened on OnePlus 8 Pro, it is advised to take backup of /persist partition before crossflashing (eg going from International to Indian build) as fingerprint reader may give an error related to enrollment issue

Instructions:

• Launch MsmDownloadTool V4.0.exe.

• On the login prompt select "Other" in the dropdown menu and click on Next.

• Wait a few seconds until main window shows up.

• Click on Target button and select O2 while using international tool or India while using indian tool or EU while using european tool.

• Power your device off.
• Maintain volume up and volume down keys to get into Qualcomm EDL mode.
• Plug your device to your computer using stock OnePlus cable.
• Click on Enum to be sure your device is detected and press Start.
• Wait ~300 seconds.
• Enjoy your brand new device.

FAQ:
Does this work on Mac or on Linux?
Unfortunately no, tool is Windows only. You should need at least Windows 7.
Why is my antivirus freaking out when unzipping the archive or running the tool?
In an effort to protect reverse engineering from being done (and by extension prevent conversion process like it was done on 6T and 7Pro), OnePlus now use VM Protect V3 in their MSM tools. As this tries to detect debug environment, this is seen as malicious behaviour by some antivirus.
My device isn't detected when I click on "Enum" button
Go to device manager and make sure your phone shows up as QDLOADER 9008.
If it shows up as QHUSB_BULK, it means Qualcomm driver wasn't installed automatically by Windows Update. Download the latest one from Microsoft website at http://download.windowsupdate.com/c/msdownload/update/driver/drvs/2017/03/fe241eb3-d71f-4f86-9143-c6935c203e12_fba473728483260906ba044af3c063e309e6259d.cab (source https://redirect.viglink.com/?format=go&jsonp=vglnk_158747553472520&key=f0a7f91912ae2b52e0700f73990eb321&libId=k99x9nuk01000n4o000DAmx3m2mgc&loc=https%3A%2F%2Fforum.xda-developers.com%2Foneplus-8%2Fhow-to%2Fop8-unbrick-tool-to-restore-device-to-t4085877%2F&v=1&opt=true&out=https%3A%2F%2Fwww.catalog.update.microsoft.com%2FScopedViewInline.aspx%3Fupdateid%3D8ee52ba0-bdef-4009-88cf-335a678dd67a&ref=https%3A%2F%2Fxda-developers.com%2F&title=%5BOP8%5D%5BOOS%2021AA%2FBA%2FDA%5D%20Unbrick%20tool%20to%20restor%E2%80%A6%20%7C%20OnePlus%208&txt=https%3A%2F%2Fwww.catalog.update.microsoft...f-335a678dd67a ) and install it manually by right clicking on QHUSB_BULK and selecting "Update driver software" and "Browse my computer for driver software" to where you downloaded CAB file.
MSM tool is stuck on "Param pre-processing"
Ensure you're using the Qualcomm drivers linked above.
MSM tool is stuck on "Sahara communication failed"
Unplug your phone, get in fastboot mode, turn off phone, wait 15 secondes and get back in Qualcomm EDL mode. You can also try using a USB 2.0 port instead of a 3.0 one.
What is SMT Download mode?
Just don't try to unlock that mode, it will wipe your IMEI and your Widevine certificate if you use it.

Ref : XDA Developers
Credits:
@LL Starks for getting 10.5.3 indian link from OnePlus
@Titokhan for being a friend and providing inspiration in writing
@headsh0t95 for being a friend and suggesting me to request an access to upload files on AndroidFileHost now one year ago for my previous threads
@AndroidFileHost for the hosting OnePlus for the device and OS

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