[Backup] Lineage to Official - OnePlus 8T Questions & Answers

Hello everybody,
I need you, I flash Lineage on my OP8T with Recovery Lineage, but I don't like it, there are bugs and the interface doesn't suit me.
How can I go back to Official EU Firmware?
thank you so much
Edit: Can you close my topic. Use Unbrick Topic

Hello.
Use MSM tool for return to OOS.
[OP8T][OOS KB05AA/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...
forum.xda-developers.com

Related

Install OxygenOS 11.0.5.6.KB05AA on OnePlus 8T KB2000 running HydrogenOS 11.0.5.6KB05

I have purchased a Chinese variant (KB2000, late December 2020) of the OnePlus 8T which out of the box is running HydrogenOS 11.0.5.6KB05. I downloaded the Global ROM (OxygenOS 11.0.5.6.KB05AA) from OnePlus' website to do the local update, but cannot install as it is saying it is a previous version.
I have been scouring the internet as trying to figure out options, but it seems like I have 2 options:
1. Wait until the Global ROM version is higher than the current HydrogenOS version (11.0.5.6KB05) and do a local update. Note that the unit wants to update, but not letting it.
2. Use the BootlLoader installation method to install a fresh OxygenOS. I found what seems to be a great guides at https://www.thecustomdroid.com/oneplus-8-pro-oxygenos-restoration-guide/ or https://www.droidwin.com/restore-oneplus-8-stock-oxygenos-fastboot-commands/.
Note that I don't want to Root or install any custom mods or ROM, but just want to use the latest Global ROM on this phone.
Any insight will be greatly appreciated as I have been researching, but not finding a definitive answer. Thanks in advance!
If you are fine with wiping your phone you should be able to use the msm tools from the unbrick tools thread to convert
Qnorsten said:
If you are fine with wiping your phone you should be able to use the msm tools from the unbrick tools thread to convert
Click to expand...
Click to collapse
Ok thanks for the feedback and will search for the thread. I'm fine with wiping it as it is a new phone. I'll update how it goes.
jvg2001 said:
Ok thanks for the feedback and will search for the thread. I'm fine with wiping it as it is a new phone. I'll update how it goes.
Click to expand...
Click to collapse
I assume you found the thread by now. But this is the thread if anyone else is looking for it. Was on my phone before so couldn't link it easily
[OP8T][OOS KB05AA/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...
forum.xda-developers.com

Restoring to OOS from custom ROM in order to sell. Best method?

There are a lot of guides and stuff for people wanting to do specific things with their phone. I am selling mine and want to go back to stock. What's the best way to do so? I'm not sure if I should also lock the bootloader since I'll be selling on swappa or just leave it be as it may be a selling point? Appreciate any input.
mbarry55 said:
There are a lot of guides and stuff for people wanting to do specific things with their phone. I am selling mine and want to go back to stock. What's the best way to do so? I'm not sure if I should also lock the bootloader since I'll be selling on swappa or just leave it be as it may be a selling point? Appreciate any input.
Click to expand...
Click to collapse
@mbarry55
If you are talking about a OnePlus 7 Pro, then by far the best way to restore it to stock is to use the OnePlus EDL package or unbrick tool. This will restore your phone to new state (just like when you pulled it from the box).
It will also wipe any personal data you may have.
Download the appropriate archive for your phone below.
OnePlus 7 Pro international firmware (latest):
guacamole_21_P.31_201105.zip | by Some_Random_Username for OnePlus 7 Pro
Download GApps, Roms, Kernels, Themes, Firmware, and more. Free file hosting for all Android developers.
androidfilehost.com
OnePlus 7 Pro european firmware (latest):
guacamole_21_E.31_201105.zip | by Some_Random_Username for OnePlus 7 Pro
Download GApps, Roms, Kernels, Themes, Firmware, and more. Free file hosting for all Android developers.
androidfilehost.com
Instructions:
Extract the downloaded archive to a folder on your PC.
Power your device off
Maintain volume up and volume down keys to get into Qualcomm EDL mode.
Connect phone to your PC using a USB C cable
Launch MsmDownloadTool V4.0.exe.
Click on Enum to be sure your device is detected and press Start.
Wait ~300 seconds
Enjoy your brand new device
Credit for these files and the instructions go to
@Some_Random_Username
Here is his more detailed post if you encounter any issues or want older firmware:
[OP7PRO][LATEST OOS 11.0.5.1 GM21AA/GM21BA] Collection of unbrick tools
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...
forum.xda-developers.com
Good luck my friend !!

help me please ONE PLUS NORD

HI
I HAVE ONE PLUS NORD. PROBLEM NOT OPEN NORMAL. I FLASHING 4, 5 DIFFERENT VERSION FIRMWARE WITH MSMTOOL FLASHING OK BUT SAME PROBLEM HAVE.
I NOT FLASHING FASTBOOT FIRMWARE BECAUSE BOOTLOADER LOCKED PLS HELP ME
just use oneplus nord unbrick tool ...
[OPNORD][OOS AC01AA/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...
forum.xda-developers.com
acetone802000 said:
just use oneplus nord unbrick tool ...
[OPNORD][OOS AC01AA/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...
forum.xda-developers.com
Click to expand...
Click to collapse
I FLASHING 4, 5 DIFFERENT VERSION FIRMWARE WITH UNBRICK TOOL, FLASHING OK BUT SAME PROBLEM HAVE.

Bricked OnePlus 8T

Complete noob here.
So I've recently purchased a OnePlus 8T Chinese variant and went from hydrogenOS to oxygenOS by update.
Then installed TWRP and tried to flash lineageOS resulting in a brick. Can anyone please help me to return to stock firmware?
Thanks for understanding.
chrissy101 said:
Complete noob here.
So I've recently purchased a OnePlus 8T Chinese variant and went from hydrogenOS to oxygenOS by update.
Then installed TWRP and tried to flash lineageOS resulting in a brick. Can anyone please help me to return to stock firmware?
Thanks for understanding.
Click to expand...
Click to collapse
[OP8T][OOS KB05AA/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...
forum.xda-developers.com

A really hard brick problem [SOLVED]

Hi, guys, I am really needing help.
I have bougth a chinese android tablet model tb128fu. I was worried with the safety of the tablet's ROM, I was suspecting it was a shop ROM. So, I downloaded LMSA (Lenovo Rescue and Smart Assistant) to flash an another ROM (even I have read in LMSA app that flashing ROM mustn't be done in chinese devices - I was very stupid) and it bricked my tablet. Tablet entered into a reboot mode loop: any chosen option was conducting to lenovo's logo and, after it, reboot menu again.
I have posted a question about it here in forum and people suggested to use ROM2box app. I tried to use it and I think it would solve my problem, but during ROM flashing in ROM2box my pc turned off (due to a residencial blackout) and now my tablet is completely died. VOL UP and DOWN and power off buttons are not working, and the screen doesn't show anything, in any situation (even during battery charging).
Please, help me!!! I think I have lost my tablet.
In PC's devices manager tablet is showed as Qualcoom HS-USB QDLoader 9008 (COM3). Does it help anything to solve my problem?
I have also tried to flash some chinese ROM in tablet using QFIL, but all times it shows the follow error:
"Download Fail:Sahara Fail:QSaharaServer Failrocess fail"
I am thankful anyway. Thank you for your attention.
Re-flash tablets Stock ROM.
BTW:
Tablet isn't hardbricked but softbricked, IMO
With the "hardbrick" usually a part of the low-level firmware is damaged, e.g. the bootloader, the "radio firmware" or other firmware, which is necessary for the operation of the SoC (System-on-Chip). To re-install this firmware, special hardware (usually JTAG) is required, as well as expert knowledge and corresponding image files are often not publicly available (at least not officially). It's like "shooting" the BIOS/EFI on a PC.
With a "softbrick," only the operating system is damaged, e.g. the Android kernel or the system libraries. You can reflash the device.
xXx yYy said:
Re-flash tablets Stock ROM.
BTW:
Tablet isn't hardbricked but softbricked, IMO
With the "hardbrick" usually a part of the low-level firmware is damaged, e.g. the bootloader, the "radio firmware" or other firmware, which is necessary for the operation of the SoC (System-on-Chip). To re-install this firmware, special hardware (usually JTAG) is required, as well as expert knowledge and corresponding image files are often not publicly available (at least not officially). It's like "shooting" the BIOS/EFI on a PC.
With a "softbrick," only the operating system is damaged, e.g. the Android kernel or the system libraries. You can reflash the device.
Click to expand...
Click to collapse
Ah, ok. I am really sorry for my mistake. It's clear now what is the difference between hard and soft brick.
May you help me to reflash my device? I have no idea how to do that.
Thank you for you reply
joaovitorjvbjvb said:
Ah, ok. I am really sorry for my mistake. It's clear now what is the difference between hard and soft brick.
May you help me to reflash my device? I have no idea how to do that.
Thank you for you reply
Click to expand...
Click to collapse
I might try the website linked below -- there's also a "How to Flash" tutorial step-by-step guide in the page
DISCLAIMER: I am not completely sure if it will help or make this worse! Being that your device is a Chinese variant and you've already bricked it messing with it because it is that variant, there's no guarantee the files and steps below will do any better or not make things worse. I also have not personally vetted the validity or accuracy of the site. Proceed at your own risk!
Lenovo Tab M10 TB128FU Stock Firmware ROM (Flash File)
Download the official Lenovo Tab M10 TB128FU Stock Firmware ROM (Flash File) for your Lenovo Mobile. We also provide all other Lenovo Stock Firmware for free.
firmwarefile.com
simplepinoi177 said:
I might try the website linked below -- there's also a "How to Flash" tutorial step-by-step guide in the page
DISCLAIMER: I am not completely sure if it will help or make this worse! Being that your device is a Chinese variant and you've already bricked it messing with it because it is that variant, there's no guarantee the files and steps below will do any better or not make things worse. I also have not personally vetted the validity or accuracy of the site. Proceed at your own risk!
Lenovo Tab M10 TB128FU Stock Firmware ROM (Flash File)
Download the official Lenovo Tab M10 TB128FU Stock Firmware ROM (Flash File) for your Lenovo Mobile. We also provide all other Lenovo Stock Firmware for free.
firmwarefile.com
Click to expand...
Click to collapse
OWWWW DUDE!!!
I am really thankful . Thank you very much )
Using your download link I got it! I could flash ROM (using QFIL) in my tablet again. My tablet is finally back. Thank you!!!

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