Possible to downgrade official to official? - OnePlus 6 Questions & Answers

More specifically... Is it possible to downgrade from Official Pie back to Official Oreo?
There is no fault with the Pie OS itself. It's all about various preferences that are no longer available with Pie, as I do not wish to root at this time. Pandora lockscreen controls, the use of Substratum, expanded volume controls, to name a few.

DimidiusDeus said:
More specifically... Is it possible to downgrade from Official Pie back to Official Oreo?
There is no fault with the Pie OS itself. It's all about various preferences that are no longer available with Pie, as I do not wish to root at this time. Pandora lockscreen controls, the use of Substratum, expanded volume controls, to name a few.
Click to expand...
Click to collapse
Download the full ROM of choice and go to local upgrade in system update.

mikex8593 said:
Download the full ROM of choice and go to local upgrade in system update.
Click to expand...
Click to collapse
Yea, that didn't work. Someone else mentioned a rollback ROM that could be used, but I am having issues finding it. I'll keep searching, unless someone else has done this already and is willing to chime in on what needs to be done.
Thanks in advance to anyone who replies.

I had problem using the rollback package... Device had been encrypted and no PIN accepted. So i had to do a clean install.
If thats ok for you just follow the steps here and you are back on OOS 5.1.5
https://forum.xda-developers.com/oneplus-6/how-to/tool-msmdownloadtool-v4-0-international-t3798892
u have to unlock the bootloader and do the root stuff all over again

DimidiusDeus said:
Yea, that didn't work. Someone else mentioned a rollback ROM that could be used, but I am having issues finding it. I'll keep searching, unless someone else has done this already and is willing to chime in on what needs to be done.
Thanks in advance to anyone who replies.
Click to expand...
Click to collapse
That's exactly what I did... Flash the full ROM, flash TWRP, reboot recovery, flash magisk. Disable lock screen before you do anything.

DimidiusDeus said:
Yea, that didn't work. Someone else mentioned a rollback ROM that could be used, but I am having issues finding it. I'll keep searching, unless someone else has done this already and is willing to chime in on what needs to be done.
Thanks in advance to anyone who replies.
Click to expand...
Click to collapse
It's a security patch/encryption issue. I believe you have to format (not just wipe) data. Then you should be able to install the stock rom.
Note that everything on your phone will be wiped by this, so make sure you're backed up externally.

Thank you all for the replies so far. To clarify, I'm on stock Pie and want to roll back to stock Oreo.
Full wipe, etc. is perfectly fine by me, as long as it's possible.

Related

[GUIDE] Debranding to C432 and updating to B361 (Nougat) for EVA-L09

Like many people here, I was eager to get onto Android 7 but the issue I faced was the fact that I got a branded phone and a long wait till I officially get the Android 7 update. Looking through this forum I was very put off on manually updating it to Android 7 with so many threads about bricked phones. However, the urge to get onto Android 7 was too great so ultimately, I decided to do my research and just do it. I am not new to flashing and custom roms but I am new to Huawei but I had confidence that I will recover if I do brick my new P9. In the end (after a few bricks and a couple of mild heart attacks), I got there and to get there, I needed to grab information from multiple threads. So I have decided to put together this guide so people have a singular guide to debrand and get onto Android 7. Below are steps and threads I took to debrand my C34 to C432 and update it to B361.
What listed below is what I did to get onto Android 7, this may or may not work for you so use this guide at your own risk.
Using this Guide - Please read through this guide BEFORE attempting it. There is a lot of large files to download so I recommend that you download everything you need before you make a start and a fast and reliable internet is strongly recommended.
Prep Work
- Backup all your data because your phone will get wiped.
- Make sure you have the stock recovery already flashed and make sure your phone is not rooted (may not be necessary but this was the state my phone was in).
- Get yourself a bootloader code from Huawei. Go to http://www.emui.com/en/plugin/hwdownload/download, you will need to create a Huawei ID if you haven't already done so. Click on the Unlock Bootloader link and fill out the form, you should get a bootloader code almost instantly after submitting the form.
- Download and install HiSuite (http://consumer.huawei.com/minisite/HiSuite_en/index.html).
- Download the SRK Tool from here: https://forum.xda-developers.com/showpost.php?p=66737472&postcount=2
Now lets make a start.
1. Download and flash the dload-huawei-p9-eval09-eva-b136.zip from this thread: https://forum.xda-developers.com/p9/development/stock-rom-dload-file-p9-eva-l09-b136-t3382818. Instructions on how to flash this is in the first post. After flashing, you should be on the L09C900B136 firmware. NOTE: If it boots up to a white screen asking you to enter password, reboot into recovery by holding volume up when you powering up your phone, do a wipe partition and factory reset. You may need to reboot your phone a number times before the phone boots up correctly.
2. After flashing and booting into the L09C900B136 firmware, you will need to unlock your bootloader and install TWRP. You can use the SRK Tool to do this, please have a look at this thread (https://forum.xda-developers.com/showpost.php?p=66737472&postcount=2) and watch the video on how to do this. NOTE: You only need to unlock bootloader and install the TWRP recovery.
3. After your phone has been unlocked with TWRP recovery installed, download oeminfo-huawei-p9-eval09-c432.zip from this thread: https://forum.xda-developers.com/p9/development/c432-oeminfo-flash-twrp-t3384903 and flash it via TWRP. To get into TWRP, power off your phone and go into recovery by powering up your phone while holding volume up.
4. Once you flashed the oeminfo file via TWRP, power off your phone and repeat step 1. So you need to flash the dload-huawei-p9-eval09-eva-b136.zip file again via the dload method (power on the phone while holding volume up and volume down). NOTE: When you flash this firmware again, it will lock your bootloader (Fastboot will tell you that the phone is unlocked but I assure you, your bootloader is locked) and restore to stock recovery.
5. Once your phone has booted back up, go into the phone settings and you should see that your phone is now on the EVA-L09C432B136 firmware. To test that the firmware is working as intended, go into the phone settings and go into Updater, updater should pick up the B182 firmware and you should be able to update it to B182 without an issue.
UPDATE: A number of people has reported that they are getting the B166 update instead of B182, if this happes, do a wipe partition and a factory reset after updating to B166. When you get back in, you should be able to update to B182 via Updater in the Settings menu. If this method does not work, you can manually update to B182 by following the steps here: http://www.carbontesla.com/2016/11/download-huawei-p9-b182-marshmallow-update-europe/
6. After your phone has rebooted and you are on the B182 firmware, you need to now update the firmware to B361 via Huawei Updater 2.0 using this guide: https://forum.xda-developers.com/showpost.php?p=70594380&postcount=2.
After all that is done, you should now have a debranded UK C432 P9 running EMUI 5.0.
Special thanks to @paulobrien, @somboons and @KrAzYtHeBoY for their guide, tools, files and video to make this update possible.
Props to you sir. I will try this when I get back. I don't have any doubts now after reading this guide.
Does debranding will affect warranty of the device? Mine is quite new.
zoold3vil said:
Does debranding will affect warranty of the device? Mine is quite new.
Click to expand...
Click to collapse
Its very likely that debranding will void your warranty since you will need to unlock the bootloader and flash a firmware that is not the same as your original model.
Z-Blade said:
Its very likely that debranding will void your warranty since you will need to unlock the bootloader and flash a firmware that is not the same as your original model.
Click to expand...
Click to collapse
Thanks for the feedback!
Thanks for the guide. I've recently been battling away trying to go from C34 to C636 - still never got to the bottom of it.
Is that a typo in your post for your original model number - C43? Or did you come from Optus AU C34?
Either way - have you had any network issues in Australia with the new firmware?
Cheers.
halliday77 said:
Thanks for the guide. I've recently been battling away trying to go from C34 to C636 - still never got to the bottom of it.
Is that a typo in your post for your original model number - C43? Or did you come from Optus AU C34?
Either way - have you had any network issues in Australia with the new firmware?
Cheers.
Click to expand...
Click to collapse
Yep, its a typo, thanks for pointing it out. I have no issues what so ever, everything works perfectly fine and there has been no drop in cellular reception, wifi reception, GPS accuracy and etc. Apart from the build saying L09C432, you wouldnt be able to tell the difference.
Z-Blade said:
Yep, its a typo, thanks for pointing it out. I have no issues what so ever, everything works perfectly fine and there has been no drop in cellular reception, wifi reception, GPS accuracy and etc. Apart from the build saying L09C432, you wouldnt be able to tell the difference.
Click to expand...
Click to collapse
Legend. Appreciate the reply - it was tough to find experienced Aussies on the same starting build/carrier.
Now I just wish I hadn't wasted the time going for the Asia Pacific variant!
Will get stuck into it this evening.
Thanks!
Great guide! Reading through it seems easier for it to be managed through hisuite/windows but I have a big issue. For some reason my computer won't recognize my phone! I installed the beta and am on build number EMUI-A168-L09C900B040SP11-log and since doing this stupid move I have been unable to connect to a computer nor install other builds or rollbacks directly on the device so I just feel like smashing it and claiming the insurance. Is there any advise that could be offered to maybe force a firmware upgrade?
Nawor81 said:
Great guide! Reading through it seems easier for it to be managed through hisuite/windows but I have a big issue. For some reason my computer won't recognize my phone! I installed the beta and am on build number EMUI-A168-L09C900B040SP11-log and since doing this stupid move I have been unable to connect to a computer nor install other builds or rollbacks directly on the device so I just feel like smashing it and claiming the insurance. Is there any advise that could be offered to maybe force a firmware upgrade?
Click to expand...
Click to collapse
How did you get onto that build? Have you tried following the guide I put up?
Ha I don't have a clue how I ended up with that build but I've regretted my decision to install a beta version of the nougat every day since. I will try this method this afternoon and see how I go!
Nawor81 said:
Ha I don't have a clue how I ended up with that build but I've regretted my decision to install a beta version of the nougat every day since. I will try this method this afternoon and see how I go!
Click to expand...
Click to collapse
I cant promise you that the guide I put together will work for you. If its a Nougat beta firmware then you would be technically doing a rollback to MM. Just a bit of a warning, a lot of people who try to roll back to MM, usually encounter problems, annoying problems. Unfortunately, I dont have much experience with this phone or how Huawei does things so I cant help you much. If I am in your shoes, I wouldn't attempt to debrand and flash Nougat using this guide.
Z-Blade said:
I cant promise you that the guide I put together will work for you. If its a Nougat beta firmware then you would be technically doing a rollback to MM. Just a bit of a warning, a lot of people who try to roll back to MM, usually encounter problems, annoying problems. Unfortunately, I dont have much experience with this phone or how Huawei does things so I cant help you much. If I am in your shoes, I wouldn't attempt to debrand and flash Nougat using this guide.
Click to expand...
Click to collapse
That's not the news I wanted to hear! I guess I'll keep this guide in mind and do some more research, hopefully find someone in love with Huawei that might be able to assist. Thanks
SmartPhonesFan said:
Hi z-blade I flashed B136 but it didn't put icons and themes back .. I flashed B182 and STILL didn't put icons and themes back
BUT only B166 gave me proper theme and icons back.. ! After that I flashed I had to flash B182 and so on.. B166 is the key important
Click to expand...
Click to collapse
I got theme and icon on mine but it may have came through when I flash B361. I went from a full factory reset on B136 to B182 to B361, not once did I stop to check to make sure all of the apps are installed, I only started setting up my phone and have a browse once I was on EMUI 5.0. It may be un-necessary to flash B166 if flashing B361 give you themes and icons.
If someone could double check on this when following this guide and report in, that would be great. I am not willing to test it out by rolling back to mushmellow.
Nawor81 said:
Ha I don't have a clue how I ended up with that build but I've regretted my decision to install a beta version of the nougat every day since. I will try this method this afternoon and see how I go!
Click to expand...
Click to collapse
Are you on an unbranded device?
If so, the official Huawei support page offers a rollback package if you updated to the Nougat beta.
Make sure you go to the page specific to your country.
---------- Post added at 02:42 AM ---------- Previous post was at 02:34 AM ----------
Z-Blade said:
I got theme and icon on mine but it may have came through when I flash B361. I went from a full factory reset on B136 to B182 to B361, not once did I stop to check to make sure all of the apps are installed, I only started setting up my phone and have a browse once I was on EMUI 5.0. It may be un-necessary to flash B166 if flashing B361 give you themes and icons.
If someone could double check on this when following this guide and report in, that would be great. I am not willing to test it out by rolling back to mushmellow.
Click to expand...
Click to collapse
Broken themes/icons seem to be caused by missing assets in the /CUST/ partition. I managed to get around it on my broken C900 firmware by separately flashing the /hw/normal/ package specific to the build. These can be found in the filelist.xml in the [WAREHOUSE] post - but you need to change the URL manually to grab the file.
SmartPhonesFan said:
So B361 will? Didn't know that.. Didn't want to risk it it took ages to download.. I had 3 folders in B136 but I flashed it via dial pad options.. Not 3btn..maybe if I would flash via 3btn it will give it back then and I wouldn't need B166..
Cannot be bothered.. It's done now..
Nougat best..
Click to expand...
Click to collapse
It makes no difference if you use the 3 button method or via the dial menu, both does exactly the same thing. I am only assuming that Themes could be installed when I flashed B361, I was not paying attention to the apps that was installed but I think this may be the case because I believe the Theme app was updated for EMUI 5.0, again all assumptions here.
Can I jump directly from b136 to b361?
Thanks in advance.
halliday77 said:
Are you on an unbranded device?
If so, the official Huawei support page offers a rollback package if you updated to the Nougat beta.
Make sure you go to the page specific to your country.
Click to expand...
Click to collapse
It's from Vodafone unfortunately
I've followed the guide as far as step 5. When I got there, I ended up getting an update for L09C432B166 which installed fine, but I'm not getting the B182 update. Anyone else run into an issue like this?
trouble2000 said:
Can I jump directly from b136 to b361?
Thanks in advance.
Click to expand...
Click to collapse
No you cant, you need to get to B182 before flashing B361.
d_mouse81 said:
I've followed the guide as far as step 5. When I got there, I ended up getting an update for L09C432B166 which installed fine, but I'm not getting the B182 update. Anyone else run into an issue like this?
Click to expand...
Click to collapse
Try wiping partition and a factory rest and see if you get the B182 update. If not, you can download the B182 update and flash it via dload but if that does not work, you can try doing it via the Hisuite and Updater method.

Mha-l29c567b167 decrypted boot image unlock, twrp, root!

Anyone have a link for an decrpted boot image for the new ota update.? also can somebody merge all the different ways and do and don'ts for this build to be able to unlock (have the code) and flash TWRP and root this device. so many different solutions confusing on the best method to use. Please help Thank you.
Use this: https://forum.xda-developers.com/mate-9/how-to/guide-how-to-root-mate-9-decrypt-data-t3569986
no need to decrypt image as superuser (superroot) does it for you.
As for unlocking bootloader, there's only one way. Just follow the TWRP thread for that
https://forum.xda-developers.com/mate-9/development/recovery-unofficial-twrp-huawei-mate-9-t3515617
ante0 said:
Use this: https://forum.xda-developers.com/mate-9/how-to/guide-how-to-root-mate-9-decrypt-data-t3569986
no need to decrypt image as superuser (superroot) does it for you.
As for unlocking bootloader, there's only one way. Just follow the TWRP thread for that
https://forum.xda-developers.com/mate-9/development/recovery-unofficial-twrp-huawei-mate-9-t3515617[/QUWhuch
Which TWRP version 3.02 or 3.03 to use and also somebody already have the public and HW for this build done? Thanks for getting back to me so fast @ante0
Click to expand...
Click to collapse
larryblynn000 said:
ante0 said:
Use this: https://forum.xda-developers.com/mate-9/how-to/guide-how-to-root-mate-9-decrypt-data-t3569986
no need to decrypt image as superuser (superroot) does it for you.
As for unlocking bootloader, there's only one way. Just follow the TWRP thread for that
https://forum.xda-developers.com/mate-9/development/recovery-unofficial-twrp-huawei-mate-9-t3515617
Click to expand...
Click to collapse
Which TWRP version 3.02 or 3.03 to use and also somebody already have the public and HW for this build done? Thanks for getting back to me so fast @ante0
Click to expand...
Click to collapse
3.0.2 is what you need.
And use this for HW and public
https://forum.xda-developers.com/showpost.php?p=71302827&postcount=627
ante0 said:
3.0.2 is what you need.
And use this for HW and public
https://forum.xda-developers.com/showpost.php?p=71302827&postcount=627
Click to expand...
Click to collapse
I can't get the hw and public to download. What am I doing wrong??
biggzo said:
I can't get the hw and public to download. What am I doing wrong??
Click to expand...
Click to collapse
yea i must be really dumb bc i dont understand the directions!
Here
Public http://update.hicloud.com:8180/TDS/...59/f2/full/public/update_data_full_public.zip
Hw
http://update.hicloud.com:8180/TDS/.../v76459/f2/full/hw/usa/update_full_hw_usa.zip
These are for MHA-l29c567b167
ante0 said:
Here
Public http://update.hicloud.com:8180/TDS/...59/f2/full/public/update_data_full_public.zip
Hw
http://update.hicloud.com:8180/TDS/.../v76459/f2/full/hw/usa/update_full_hw_usa.zip
These are for MHA-l29c567b167
Click to expand...
Click to collapse
Thank you you are the man really appreciated !!!!!!!!!!!!!!!!!!!!!!!
have one more question got everything done with success thanks to evey bodies help much appreciated now i wonder can someone write a procedure or tell me what ineed to do do be ready for the next update want to be ready because i believe cant apply it with an unlocked BL and root? Thanks again for all the help!!!!
larryblynn000 said:
have one more question got everything done with success thanks to evey bodies help much appreciated now i wonder can someone write a procedure or tell me what ineed to do do be ready for the next update want to be ready because i believe cant apply it with an unlocked BL and root? Thanks again for all the help!!!!
Click to expand...
Click to collapse
Did you use this guide for getting root?
[GUIDE]HOW TO ROOT YOUR MATE 9 with Decrypt Data in TWRP without needing a patched
Did it go well? I'm going to follow your steps as I have completely the same version of the device.
night_wind said:
Did you use this guide for getting root?
[GUIDE]HOW TO ROOT YOUR MATE 9 with Decrypt Data in TWRP without needing a patched
Did it go well? I'm going to follow your steps as I have completely the same version of the device.
Click to expand...
Click to collapse
yes worked like a champ as long as u have ur unlockcode follow the steps and it worked great!!!! i put superroot public and hw files on my sd card and all went smooth
larryblynn000 said:
have one more question got everything done with success thanks to evey bodies help much appreciated now i wonder can someone write a procedure or tell me what ineed to do do be ready for the next update want to be ready because i believe cant apply it with an unlocked BL and root? Thanks again for all the help!!!!
Click to expand...
Click to collapse
to update thru OTA u must reflash stock Recovery,then after updated to the latest firmware BL will be lock and your root will be gone,so u need to unlock BL and flash TWRP and redo all the rooting steps again.
Is there a op that tells how to do that and can i extract a copy of the stock recovery sorry to ask such obvious questions but im trying to learn how to do all this. Thanks again
larryblynn000 said:
Is there a op that tells how to do that and can i extract a copy of the stock recovery sorry to ask such obvious questions but im trying to learn how to do all this. Thanks again
Click to expand...
Click to collapse
well its just like how u flash twrp thru adb.or you can use twrp to flash stock recovery.img.for the stock recovery you can extract from the update.app of your current build using huawei extractor.
ok now that i said all good with this i am getting no notifications from messenger or facebook or yahoo. any ideas?
larryblynn000 said:
ok now that i said all good with this i am getting no notifications from messenger or facebook or yahoo. any ideas?
Click to expand...
Click to collapse
Try wiping cache and dalvik/art cache in twrp. Then check Settings - Notifications & Statusbar - Notifications Management if they're allowed.
ante0 said:
Try wiping cache and dalvik/art cache in twrp. Then check Settings - Notifications & Statusbar - Notifications Management if they're allowed.
Click to expand...
Click to collapse
done that no change ????????????????? THX
larryblynn000 said:
done that no change ????????????????? THX
Click to expand...
Click to collapse
Then I don't know.
Try reinstalling them?
Or do you mean notifications on lockscreen? Because they won't show.
Huawei locked it down good. (at least for me, can't even get Spotify to show current song)
Floatify works great for lockscreen notifications though.
Edit: Actually, more people seem to have notification bugs with Messenger and WhatsApp. Maybe it's just a Huawei thing?
Or did they work before rooting?
Could you also check that they're not being closed automatically by the super aggressive battery saver thingie?
Settings - Battery: check that Power Saving is not turned on.
Next click on the cogwheel in the battery screen and make sure "Close excessively power-intensive apps" is not turned on.
And check in Settings - Apps - [App you want to check] - Battery that "Close after screen locked" is not turned on.
ante0 said:
Then I don't know.
Try reinstalling them?
Or do you mean notifications on lockscreen? Because they won't show.
Huawei locked it down good. (at least for me, can't even get Spotify to show current song)
Floatify works great for lockscreen notifications though.
Edit: Actually, more people seem to have notification bugs with Messenger and WhatsApp. Maybe it's just a Huawei thing?
Or did they work before rooting?
Could you also check that they're not being closed automatically by the super aggressive battery saver thingie?
Settings - Battery: check that Power Saving is not turned on.
Next click on the cogwheel in the battery screen and make sure "Close excessively power-intensive apps" is not turned on.
And check in Settings - Apps - [App you want to check] - Battery that "Close after screen locked" is not turned on.
Click to expand...
Click to collapse
seem to have most working better and i loaded floatify only thing can you tell me is there a way to get rid of the floatify used to keep app in memory notification annoying Thanks!

J727R4 Stock firmware nonexistent?

Hmm, so I'm going to try and bring root to these devices but first I need current stock firmware. So the issue I've run into, and this is the first time I've come across something like this... is that there doesn't seem to be any stock fw downloads available online. There are some extremely sketchy websites that try to get you to pay for low_ship firmwares but I don't like that.
How do we get current stock downloads for our devices if nothing has been released? I need SM-J727R4 J727R4TYU1AQD4 stock firmware for Galaxy J7 US Cellular...
EDIT:
Managed to get this phone rooted and everything was working great. Flashfire may have borked my System partition when I was doing backups, don't know how. But now I'm bricked until I can get firmware. Sent an email to Samsung, we'll see what they say.
Do you if the phone it comes unlocked ? Im interested in getting one
Sorry, Im on US Cellular but Im not sure that it is. I dont even know how to find out.
By the way, the firmware thankfully has been released. You can find it at SAMMOBILE and samsung-firmware.
Hi. Please, if root will be done - will it also work on European languages? Well thank you.
What is your exact model number, is it SM-J727R4?
LeviathaninWaves said:
What is your exact model number, is it SM-J727R4?
Click to expand...
Click to collapse
J727R4 US Cellular Check ESN A
tono4224 said:
Hi. Please, if root will be done - will it also work on European languages? Well thank you.
Click to expand...
Click to collapse
tono4224 said:
J727R4 US Cellular Check ESN A
Click to expand...
Click to collapse
Root should work great for you.
Stock stock ROM J727R4TYU1AQD4_J727R4USC1AQD4_USC Precisely J727R4TYU1AQJ3_USC1AQJ3_USC_U.S_Cellular_7.0. Please, can anyone use TWRP and superSU to root? Well thank you.
tono4224 said:
Stock stock ROM J727R4TYU1AQD4_J727R4USC1AQD4_USC Precisely J727R4TYU1AQJ3_USC1AQJ3_USC_U.S_Cellular_7.0. Please, can anyone use TWRP and superSU to root? Well thank you.
Click to expand...
Click to collapse
There isn't an official TWRP release for this phone, but the SMJ727P is an exact match to the SMJ727R4 in hardware. Use the TWRP for that device, wipe your data partition to remove encryption, then without rebooting flash the Magisk 14 zip for root. SuperSU works but has some problems. You will lose all your data but this is what I did and it works well.
Now that goes without saying, if things go wrong I'm not responsible.
Please help. Everything is like me, but after the SuperSU v.2.79-SR3 is introduced and the following restart is still running: Verification failed. Well thank you.
Prize. J727R4 works on the Slovak and on the network. I want to share my experience.
1. Start uninstall without restart, all 5 items (Odin3_v3.12.10) Build number: NRD90M. J727R4TYU1AQJ3. After the restart process, we select a flashlight.
2. Release the rest without restart, insert twrp_3.0.3-1_sm-j727p_17517. After we start without restart, we select the flashlight.
3.Downloads without reboot. insert J727P-SR3-SuperSU-v2.79-SR3_rooted_boot_AQB9. after we pick the flashlight.
4. Trojhmat home, power, + set wipe-Gawlik.chase.data and select restart system in the menu. After the ratcheting and learning is the phone root and unlock.
Maybe I have to close this topic.

Need help rolling back/unrooting my phone

I rooted my phone last week because I wanted to use substratum to theme my notifications. Since then, I've run into a bunch of frustrating problems.
Current Model: OnePlus 7 Pro 12GB version, build xXx_NoLimits_7.7 on OOS 9.5.11-GM21AB
Problems:
Phone used to be 9.5.11-GM21AA but now it's 9.5.11-GM21AB - does this affect anything?
Substratum hasn't worked in stock+root, and 2 different ROMs I've tried
Favourite app of mine doesn't work properly and I think it's because I'm on build 9.5.11 and not 9.5.10
How I messed it up: Started by rooting and trying to install Renovate ICE Rom, installed the wrong file which converted me to 9.5.5-GM21AB. Then I updated to 9.5.11 but it remained AB. I tried several times to unroot, roll back and get to 9.5.10AA but it always kept itself at 9.5.11AB. Sometimes my wifi would break. I currently have xXx NoLimits Rom installed.
Desired outcome: I want to unroot and roll back to 9.5.10-GM21AA stock
Any help is greatly appreciated. Thank you!
MSM tool should fix it.
virtyx said:
MSM tool should fix it.
Click to expand...
Click to collapse
+1
virtyx said:
MSM tool should fix it.
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Click to collapse
zams85 said:
+1
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Click to collapse
Thanks, that was super easy. MSM automatically rolled back my phone to 9.5.3.GM21AA.
I have one more question - if I want to update it to 9.5.10GM21AA, how would I do that? If I update through the system, it will take me to 9.5.11, which I do not want. If the process is easier if I'm rooted, I already did that. To top it off, my substratum is working now after I reset my phone to how it is now. All I need is to update it to 9.5.10 and I would be sooooooo happy .
Thanks in advance!
bmcmr said:
Thanks, that was super easy. MSM automatically rolled back my phone to 9.5.3.GM21AA.
I have one more question - if I want to update it to 9.5.10GM21AA, how would I do that? If I update through the system, it will take me to 9.5.11, which I do not want. If the process is easier if I'm rooted, I already did that. To top it off, my substratum is working now after I reset my phone to how it is now. All I need is to update it to 9.5.10 and I would be sooooooo happy .
Thanks in advance!
Click to expand...
Click to collapse
Just download the full zip for 9510 and update via system update
virtyx said:
Just download the full zip for 9510 and update via system update
Click to expand...
Click to collapse
Thanks for your reply! I thought as much. Can you clarify if these steps are right?
Go to https://androidfilehost.com/?w=files&flid=294300
Download the one I want (9.5.10AA)
Move the file to my phone's internal storage
Update via Local Upgrade
Is this correct? Will I still have root after I do this?
bmcmr said:
Thanks for your reply! I thought as much. Can you clarify if these steps are right?
Go to https://androidfilehost.com/?w=files&flid=294300
Download the one I want (9.5.10AA)
Move the file to my phone's internal storage
Update via Local Upgrade
Is this correct? Will I still have root after I do this?
Click to expand...
Click to collapse
Correct
You will unrooted after the upgrade as itll flash completely stock.
Just re-roof after it and your good to go!
Hey @virtyx I copied the exact zip file I downloaded into my root directory for Local Upgrade but it wasn't recognized. I then tried to just flash the zip through TWRP but it said it was an "Invalid zip file format".
Do you know what I'm doing wrong?
bmcmr said:
Hey @virtyx I copied the exact zip file I downloaded into my root directory for Local Upgrade but it wasn't recognized. I then tried to just flash the zip through TWRP but it said it was an "Invalid zip file format".
Do you know what I'm doing wrong?
Click to expand...
Click to collapse
Strange
Try downloading the update again maybe it got corrupt during the download.
Make sure it's from OP website too
Whats wrong with .10 ? .11 borked or something?
virtyx said:
Strange
Try downloading the update again maybe it got corrupt during the download.
Make sure it's from OP website too
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Click to collapse
I got 9.5.9 from the OP forums and it worked! Everything is exactly how I want it now. Thanks for your help!
sarni84 said:
Whats wrong with .10 ? .11 borked or something?
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Click to collapse
For my purposes, 9.5.9 and 9.5.10 are good. 9.5.11 reverted something with the brightness and so I don't want to use it.
I found a zip from the OP site for 9.5.9 so I was able to update to that one and since I got root/substratum to work without issue, I'm happy to stay at this build. In my eyes, my phone is absolutely perfect now and I am extremely happy. The only thing I would change is the size but that has nothing to do with the software/OS. Thanks for everybody's help!
bmcmr said:
I got 9.5.9 from the OP forums and it worked! Everything is exactly how I want it now. Thanks for your help!
For my purposes, 9.5.9 and 9.5.10 are good. 9.5.11 reverted something with the brightness and so I don't want to use it.
I found a zip from the OP site for 9.5.9 so I was able to update to that one and since I got root/substratum to work without issue, I'm happy to stay at this build. In my eyes, my phone is absolutely perfect now and I am extremely happy. The only thing I would change is the size but that has nothing to do with the software/OS. Thanks for everybody's help!
Click to expand...
Click to collapse
I don't blame you, 9511 isn't as smooth as 9510.
also noticed 9510 had better battery life.
I might roll back myself

Unbricked my phone, now what ?

Hello,
I apologize in advance because i'm not a native english speaker and i'm also not tech savvy at all so it will probably be painful to help me.
My OnePlus 6 hard-bricked today and I had to do the MsmDownloadtool thing in this thread because my phone wouldn't work again. Screen was black, even when plugged the LED wouldn't light on and my PC was identifying my phone as "Qualcomm HS-USB QDLoader 9008".
So I did everything to get it back on, it worked and now I'm stuck with android 8 and OOS 5.1.5. I'd like to be able to update both android and OxygenOS automatically and not manually (which I wasn't able to do even though I followed the upgrade to latest Oxygen OS by using full signed zip thread). If someone could help me or point me to a tutorial I can follow or something It will be greatly appreciated.
Thanks in advance,
Leihaut said:
Hello,
I apologize in advance because i'm not a native english speaker and i'm also not tech savvy at all so it will probably be painful to help me.
My OnePlus 6 hard-bricked today and I had to do the MsmDownloadtool thing in this thread because my phone wouldn't work again. Screen was black, even when plugged the LED wouldn't light on and my PC was identifying my phone as "Qualcomm HS-USB QDLoader 9008".
So I did everything to get it back on, it worked and now I'm stuck with android 8 and OOS 5.1.5. I'd like to be able to update both android and OxygenOS automatically and not manually (which I wasn't able to do even though I followed the upgrade to latest Oxygen OS by using full signed zip thread). If someone could help me or point me to a tutorial I can follow or something It will be greatly appreciated.
Thanks in advance,
Click to expand...
Click to collapse
So I does not find updates when you tell it to update? I do not have much experience with msmdownload, but I had good experiences with flashable zips of official roms.
https://forum.xda-developers.com/oneplus-6/how-to/oneplus-6-mirrors-official-oxygen-os-t3792244
Read the instructions carefully. I would recommend to start with your current 5.1.5 and let it update itself. You should not try to skip versions.
Edit: On second thought, maybe you could get away with getting a OOS 9.0.0 upgrade package and install it through updater up? This will definitely save you some time, but I am not sure it is the safest approach.
TexnoViking said:
So I does not find updates when you tell it to update? I do not have much experience with msmdownload, but I had good experiences with flashable zips of official roms.
https://forum.xda-developers.com/oneplus-6/how-to/oneplus-6-mirrors-official-oxygen-os-t3792244
Read the instructions carefully. I would recommend to start with your current 5.1.5 and let it update itself. You should not try to skip versions.
Edit: On second thought, maybe you could get away with getting a OOS 9.0.0 upgrade package and install it through updater up? This will definitely save you some time, but I am not sure it is the safest approach.
Click to expand...
Click to collapse
It does find the update that I manually put on the root of the phone, but when I launch it it tells me the update has failed.
I'd love if it updated itself but it doesn't for some reason. When it checks for update I only see the current version.
I hope I didn't mess up the unbrick :/
I Guess you should flash 9.0.9 before turn on A10.
°Washy said:
I Guess you should flash 9.0.9 before turn on A10.
Click to expand...
Click to collapse
Ok I will try this. Thanks.
Edit: Just to be clear, flashing an OS means you put the zip files in the root and manually update for the phone, right ?
Leihaut said:
It does find the update that I manually put on the root of the phone, but when I launch it it tells me the update has failed.
I'd love if it updated itself but it doesn't for some reason. When it checks for update I only see the current version.
I hope I didn't mess up the unbrick :/
Click to expand...
Click to collapse
Maybe this version is so old they do not expect people to be upgrading form that.
That link that I sent you. Go there,get an incremental upgrade package from 5.1.5 to 5.1.11 and install it with the updater app
Here is a link to that package
https://www.androidfilehost.com/?fid=1322778262903980707
Then get this android 9 upgrade package (or find it yourself) and flash that through the updater app.
http://oxygenos.oneplus.net.s3.amaz...2_OTA_005_all_1808301533_d0d4304454bf4157.zip
It should update automatically after that.
I would not recommend skipping android versions. It may be fine, but it might cause problems
TexnoViking said:
Maybe this version is so old they do not expect people to be upgrading form that.
That link that I sent you. Go there,get an incremental upgrade package from 5.1.5 to 5.1.11 and install it with the updater app
Here is a link to that package
https://www.androidfilehost.com/?fid=1322778262903980707
Then get this android 9 upgrade package (or find it yourself) and flash that through the updater app.
http://oxygenos.oneplus.net.s3.amaz...2_OTA_005_all_1808301533_d0d4304454bf4157.zip
It should update automatically after that.
I would not recommend skipping android versions. It may be fine, but it might cause problems
Click to expand...
Click to collapse
Alright, I'll try that. I didn't know you couldn't skipped versions. Thanks a lot.
Leihaut said:
Alright, I'll try that. I didn't know you couldn't skipped versions. Thanks a lot.
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Click to collapse
Let us know how it goes!
TexnoViking said:
Let us know how it goes!
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It worked !! Thank you very much. I went to 5.1.11 to 9 and then I was able to automatically update to 10.3.4
Thanks again and have a good day.

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