I upgraded straight from 8.1.0 to 9.0.9 using Oxygen Update, then system updater from 9.0.9 to 11 latest........then was struggling to get it back to 10.......idk how it got to 10 maybe open beta or official rollback
Im on Oxygen OS 10.3.11
i did install the official rollback from youtube or google search but im just unable to rollback idk why its not working please help, i did via local upgrade
file name is fulldowngrade_wipe_MSM_17819_181025_2315_user_MP1_release
and yes i removed at the end .jar thingy
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1 - I haven't done any rooting/custom romming in many years, and never on a OnePlus
2 - I DO NOT HAVE WINDOWS
I have seen a few tutorials but they all talk about installing some MSM tool and they all have instructions ONLY for Windows. Is it possible to do the MSM thing from Linux? Is there some other way to get from Hydrogen 9.0.1 to Oxygen 9.0.2 - I thought I would be able to get from HydrogenOS to Oxygen 9.0.2 with the minor release difference but no, I am still getting the "won't downgrade" message . Any pointers? Thanks!
AntonDreams said:
1 - I haven't done any rooting/custom romming in many years, and never on a OnePlus
2 - I DO NOT HAVE WINDOWS
I have seen a few tutorials but they all talk about installing some MSM tool and they all have instructions ONLY for Windows. Is it possible to do the MSM thing from Linux? Is there some other way to get from Hydrogen 9.0.1 to Oxygen 9.0.2 - I thought I would be able to get from HydrogenOS to Oxygen 9.0.2 with the minor release difference but no, I am still getting the "won't downgrade" message . Any pointers? Thanks!
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There is a "downgrade" zip, aka OxygenOS 5.1.11 (Or maybe not this exact version, but iirc it's the latest Oreo version) that you can flash to downgrade to Oreo, it doesn't trigger anti-rollback. From this, you can flash any more recent version, including OOS
Just found it, i think :
http://oxygenos.oneplus.net.s3.amaz...all_1808102118_downgrade_68586451f7334c4d.zip
This file can be flashed via the System Updater (Local Upgrade). It will wipe everything though, if i read correctly. I used it once to get from Betas to Stable (The Stable version was older, i couldn't flash it).
You could also follow one of the tutorials on this forum, unlock, flash TWRP, and just install the latest OxygenOS this way
Hello, today I bought my second hand Oneplus 6. It came with android 10 and oxygen os 9.0.5, so I tried to update software from settings, but it displays that my software is updated and there is no more updates. I downloaded oxygenos 10.3.2 .zip file from offical oneplus website and tried to update using "local update" option, but it shows that something went wrong, and displays only 0% progress. What can I do?
That straight from a factory reset?
MSM tool would sort it out if needs must.
Hey guys new to this and trying to learn how to use all of this new stuff found here on XDA. so recently I was giving a OnePlus 7 pro from T-Mobile but converted to international and just notice that it is running Android 9 (pie) OOS 9..5.3. I wanted to update the op7p to latest software but I'm unable to, when trying to do it ota local upgrade thru OnePlus website or XDA it gives me the system installation update failed I did the clearing wipe cache, deleting ota folder and even factory reset and still getting the system installation update failed. Can y'all please help me out thanks and much appreciated
Hello,
I upgraded recently from Oxygen OS 10 to the latest stable release of OS 11, but since then I've massive problems with my device.
Is there any option to get back to Oxygen OS 10? I tried multiple imgages I found here and on other sites but local upgrade tells me always "there is an error" (and doesn't start) or this version is lower and downgrade is not possible.
Thanks for your help
Google gives plenty of options.
Rollback OnePlus 7/Pro/7T/7T Pro to Android 10 OxygenOS 10
Here are the steps to rollback or downgrade the OnePlus 7, 7 Pro, 7T, and 7T Pro to OxygenOS 10 Android 10 from OxygenOS 11 Android 11.
www.droidwin.com
But this wipes your data.
What are the massive problems u are talking about?
I found this and many other guides, but non of them was working with latest stable release.
I 've (had?) problems with USB. With any third party cable Qualcom Quickcharge and data transfer was not working. Furthermore USB OTG stopped working.
I tried a factory reset (keeping internal storage) and this didn't help. Meanwhile I did a second reset, this time wiping everything and now at least data connection to my computer works again, the other things I can't tell right now, but hopefully this works again too.
This is how i did it. (GM1913)
https://www.reddit.com/r/oneplus/co.../?utm_source=share&utm_medium=web2x&context=3
[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
I'm not sure what I'm doing wrong, I used the MSM tool to downgrade to android 10, worked like a charm. It keeps auto updating to android 11 though while the phone is idle no matter what I do. I'm switching off auto updates in dev options and even disabled com.android.dynsystem with ADB and went a step further with the Service Disabler app and disabled Dynamic System Updates all together. Still auto updates to 11 though, what am I missing?
Aldebaran425 said:
I'm not sure what I'm doing wrong, I used the MSM tool to downgrade to android 10, worked like a charm. It keeps auto updating to android 11 though while the phone is idle no matter what I do. I'm switching off auto updates in dev options and even disabled com.android.dynsystem with ADB and went a step further with the Service Disabler app and disabled Dynamic System Updates all together. Still auto updates to 11 though, what am I missing?
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OnePlus 7T Pro McLaren HD1925 (T-Mobile)
Hello. I installed Android 13 and I am not satisfied. I would like to return to Android 12. I understood that it is possible to downgrade by downloading the related file for Android 12 which will be placed in the root directory of the phone and then downgrade from the local installation. Oneplus support told me that they are not allowed to help me... Can you help me with a link where I can download the official, stock version of Oxygen 12? Has anyone successfully done this before? Thank you.