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[OP7][LATEST OOS 9.5.8 GM57AA] Unbrick tool to restore your device to OxygenOS

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By Some_Random_Username, Senior Member on 4th August 2019, 12:30 AM
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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.

Hi everyone, similar to the previous threads for
OP3, OP3T, OP5, OP5T and OP6 and OP6T, here are the EDL packages (also known as MSM tool or unbrick tool) that can revive a bricked OnePlus 7.
They can also be used to rollback your phone to a previous release of OOS.

You can download the following versions:
9.5.7 GM57AA
9.5.8 GM57AA

It supports GM1900, GM1901, GM1903 and GM1905 models.
After use, your device will be restored to OOS GM57AA aka global firmware.
You can upgrade to newer versions of OOS (or switch to BA firmware) using files linked in @Titokhan's thread at https://forum.xda-developers.com/one...uilds-t3937152
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4th August 2019, 12:30 AM |#2  
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FAQ:

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 https://www.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.

My device doesn't stay in EDL mode for more than 10 seconds

Some units can have this problem and there isn't a lot of things to do to fix that, except being fast after plugging your phone to your computer.

EDIT 7th August 2019: There is apparently a "one-off" solution to this problem available at https://forum.xda-developers.com/sho...6&postcount=21 . I would like to investigate more on that but sadly don't own the device so can't confirm it.

MSM tool is stuck on "Param pre-processing"

Ensure you're using the Qualcomm drivers linked in first part of this FAQ.

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.
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4th August 2019, 12:31 AM |#4  
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Credits:

@Titokhan for inspiration in writing
@headsh0t95 for suggesting me to request an access to upload files on AndroidFileHost a few months ago for my previous threads
@AndroidFileHost for the hosting
OnePlus for the device and OS
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4th August 2019, 06:22 AM |#5  
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THIS IS AMAZING! Thank you so much. Worked like charm. No need for installing extra drivers under Windows 10 or going through some other script madness. Really smooth and easy. Thanks!

Just got my OP7 yesterday and accidentally bricked it by formatting the vendor partition in TWRP. So I was searching for an Unbrick tool but there was none.
Thank god that you uploaded this just last night and saved my OP7 from an early death

In order to get the EU firmware back I simply have to flash the OxygenOS for my region and that's it, right? - Worked via TWRP

Another question though: I can create files on data when I am on the phone and I can also copy files over via USB-OTG. However when I try to push files via adb it tells me that the partition is read-only. Any idea how to fix this?
4th August 2019, 07:48 AM |#6  
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Cool it's also almost the latest version. I think I can close the other thread now.
4th August 2019, 02:59 PM |#7  
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Quote:
Originally Posted by devnerd

THIS IS AMAZING! Thank you so much. Worked like charm. No need for installing extra drivers under Windows 10 or going through some other script madness. Really smooth and easy. Thanks!

Just got my OP7 yesterday and accidentally bricked it by formatting the vendor partition in TWRP. So I was searching for an Unbrick tool but there was none.
Thank god that you uploaded this just last night and saved my OP7 from an early death

In order to get the EU firmware back I simply have to flash the OxygenOS for my region and that's it, right? - Worked via TWRP

Another question though: I can create files on data when I am on the phone and I can also copy files over via USB-OTG. However when I try to push files via adb it tells me that the partition is read-only. Any idea how to fix this?

Hi, I sadly have no idea about how to fix the adb push thing
5th August 2019, 05:10 PM |#8  
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Thanks for the response thiugh. I fixed it yesterdy evening.
First I tried to update the system to the EU version via local upgrade but it didn't let me as I was already on a "newer" version. So it interestingly classifies the Global version newer as the EU version for somehow.

So I went for TWRP and flashed the EU version to both slots (not even sure if that was necessary). After a reboot I was back on the EU version and also the adb push worked again. So not sure what was done to the data partition during the update, but it just worked
6th August 2019, 02:19 PM |#9  
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Quote:
Originally Posted by Some_Random_Username

FAQ:

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 https://www.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.

My device doesn't stay in EDL mode for more than 10 seconds

Some units can have this problem and there isn't a lot of things to do to fix that, except being fast after plugging your phone to your computer.

MSM tool is stuck on "Param pre-processing"

Ensure you're using the Qualcomm drivers linked in first part of this FAQ.

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.

Hello friends, automatic restart solution after 10 seconds when connecting EDL mode to use MsmDownloadTool:

https://forum.xda-developers.com/sho...6&postcount=21
7th August 2019, 01:11 PM |#10  
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Quote:
Originally Posted by tURkOsANsE

Hello friends, automatic restart solution after 10 seconds when connecting EDL mode to use MsmDownloadTool:

https://forum.xda-developers.com/sho...6&postcount=21

Updated FAQ to include it, thanks for pointing it out
10th August 2019, 09:03 AM |#11  
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Added OOS 9.5.8 GM57AA unbrick tool
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9.5.8 gm57aa, msm download tool, oneplus 7, op7, unbrick tool

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