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Help! Oneplus Newbie!

While i am no beginner when it comes to modding phones, having done so with Samsungs Sonys and my last HTC 10. But this is my first Oneplus and my first time dipping toes in the world of A/B partitions as well. My device is a 1910 GM21AA. While i have gone through the guides regarding bootloader unlocks and magisk rooting, I have failed to grasp some more basic aspects. For one thing, i seem to have the Chinese variant but mine isnt Hydrogen OS, i am currently sitting on 9.5.3 OOS. I was wondering how i could perhaps shift to the Global firmware. Am i to take the latest 9.5.11 OTA from https://forum.xda-developers.com/on...7-pro-global-repo-oxygen-os-t3930585#poststop and simply put it in the download folder and do a local update from the system update on the phone? Thanks in advance

Use the oygen os updater from the play store download full rom which is around 2gb and do local upgrade.
FYI GM21AA is Indian Version
Sent from my GM1911 using Tapatalk

zmafreak said:
Use the oygen os updater from the play store download full rom which is around 2gb and do local upgrade.
FYI GM21AA is Indian Version
Sent from my GM1911 using Tapatalk
Click to expand...
Click to collapse
the packages shown in the app seem to be the same zips in the thread i linked...so all i do is take the GM21AA from the thread and just do a local update? I read that 1910 is the Chinese variant for my device but it has this GM21AA build which just made things so confusing. Thank you.

I would now like to know of things i can do to bring my OP7Pro to life in case something ever goes wrong with Local storage updates or just Fcked up in general

linx1287 said:
the packages shown in the app seem to be the same zips in the thread i linked...so all i do is take the GM21AA from the thread and just do a local update? I read that 1910 is the Chinese variant for my device but it has this GM21AA build which just made things so confusing. Thank you.
Click to expand...
Click to collapse
That should do.. it should give you an error if the update is incompatible. Incase you mess up you can always fastboot and update using this thread https://www.google.co.in/amp/s/foru...ock-fastboot-roms-oneplus-7-pro-t3931424/amp/
Sent from my OnePlus 7 Pro using Tapatalk

zmafreak said:
That should do.. it should give you an error if the update is incompatible. Incase you mess up you can always fastboot and update using this thread https://www.google.co.in/amp/s/foru...ock-fastboot-roms-oneplus-7-pro-t3931424/amp/
Sent from my OnePlus 7 Pro using Tapatalk
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Click to collapse
After flashing the rom, i cant for some reason enter engineering mode. I could with my original firmware. Has this happened to you or anyone?

I never tried it tbh
Sent from my OnePlus 7 Pro using Tapatalk

linx1287 said:
After flashing the rom, i cant for some reason enter engineering mode. I could with my original firmware. Has this happened to you or anyone?
Click to expand...
Click to collapse
I could be wrong, but I think that's the norm with everyone since updating. Thinkni read it in one of the XDA forums around here somewhere.

How do i roll back to full stock if i am on custom rom? This is unfortunately also my first time dealing with A/B partitions.
Aside from these, i have been going around the forums and had a few more questions that i hope someone could help me with....
1. Whenever i come across a rom not based on OOS, i keep coming across never wiping system or vendor, why is that?
2. I come across flashing OOS a lot, how do i flash OOS when i am in a custom rom not based on OOS?
 @hallo dare @virtyx

zmafreak said:
Use the oygen os updater from the play store download full rom which is around 2gb and do local upgrade.
FYI GM21AA is Indian Version
Sent from my GM1911 using Tapatalk
Click to expand...
Click to collapse
GM21AA IS global too
---------- Post added at 03:43 PM ---------- Previous post was at 03:41 PM ----------
hallo dare said:
I could be wrong, but I think that's the norm with everyone since updating. Thinkni read it in one of the XDA forums around here somewhere.
Click to expand...
Click to collapse
look in the volte thread
there is an apk to installnand enables it again with limited functionality
or use MSM tool to go back to 953 and tibu backup and restore on 9511
oneplus removed it for some reason...
maybe because they found out we're forcing VOLTE?

linx1287 said:
How do i roll back to full stock if i am on custom rom? This is unfortunately also my first time dealing with A/B partitions.
Aside from these, i have been going around the forums and had a few more questions that i hope someone could help me with....
1. Whenever i come across a rom not based on OOS, i keep coming across never wiping system or vendor, why is that?
2. I come across flashing OOS a lot, how do i flash OOS when i am in a custom rom not based on OOS?
@hallo dare @virtyx
Click to expand...
Click to collapse
full zip upgrade
or MSM tool.
you will be wiped.

virtyx said:
full zip upgrade
or MSM tool.
you will be wiped.
Click to expand...
Click to collapse
Do i use MSM tool or fastboot method whenever i need to get back to complete stock without any root or twrp? If so then i think MSM tool or fastboot roms would be a great way to go. 1 question, does using msm or fastboot return the phone to stock while keeping the bootloader unlocked? Also, is it ok to downgrade to a lower version of OOS with MSM or fastboot roms? i think 9.5.11 for me introduced some random background battery drain and this weird mobile data bug where switching to it doesnt enable the connection until much much later

I personally use fastboot. All you need to do is plug the phone in>Boot to fastboot (hold vol up and down and power all at once)>On the computer launch flashall.bat (dont run it as administrator, just launch it).

PerthBoi92 said:
I personally use fastboot. All you need to do is plug the phone in>Boot to fastboot (hold vol up and down and power all at once)>On the computer launch flashall.bat (dont run it as administrator, just launch it).
Click to expand...
Click to collapse
Do you use it to downgrade or whenever you need to go back to full stock after modding? does it keep the bootloader unlocked or does it relock it? Thanks. Sorry for the noob questions. This is my first Oneplus. I have kept my device stock until i get a good idea of how to deal with things going south.

I need a little guidance regarding this thread
https://forum.xda-developers.com/oneplus-7-pro/how-to/guide-mega-unbrick-guide-hard-bricked-t3934659
Are these rom packages for MSMtool or fastboot packages?
EDIT:
Never mind...msmtool stuff just went through the files

OOS 10.5.12 -- global build modem

Hey all,
I downloaded the above update and tempted to flash the modem.img from the previous t-mobile build (before 5g SA). I've been posts in which there is a mmc.win in place of the modem.img file. Are we moving in a different direction? I have no problems flashing the modem.img since I get a solid connection.
Let me know if I'm thinking way too hard about this or doing too much. Damn quarantine got me hella bored.

the win file is a twrp backup and the img file is from the tmobile update. do you have the tmobile modem.img and mind sharing it?

42o247 said:
the win file is a twrp backup and the img file is from the tmobile update. do you have the tmobile modem.img and mind sharing it?
Click to expand...
Click to collapse
I don't have the 5G SA modem. img yet. In fact, I've been waiting for t-mobile to re-release the messed up update and someone to post the modem img.
I *do* have the modem img from the previous build (non 5g SA). If you're interested, here's the link:
https://mega.nz/file/W51FRC5D#iwxXESGrT74WKApqnUvOp3hn1ww16k1biDK6zIxnHfc

sameog said:
Hey all,
I downloaded the above update and tempted to flash the modem.img from the previous t-mobile build (before 5g SA). I've been posts in which there is a mmc.win in place of the modem.img file. Are we moving in a different direction? I have no problems flashing the modem.img since I get a solid connection.
Let me know if I'm thinking way too hard about this or doing too much. Damn quarantine got me hella bored.
Click to expand...
Click to collapse
Well I'm TMO running global 19.5.12.IN21AA and I didn't have to flash anything else. My modem still works and it's fine. You don't have to flash anything unless you have problems. So fast so good for me. I was on 10.5.9 TMO when I converted so I'm waiting until the get their sh#@ straight before I go back to TMO. But only for the 5G SA update then back to Global. Happy modding!

Nathan.7118391 said:
Well I'm TMO running global 19.5.12.IN21AA and I didn't have to flash anything else. My modem still works and it's fine. You don't have to flash anything unless you have problems. So fast so good for me. I was on 10.5.9 TMO when I converted so I'm waiting until the get their sh#@ straight before I go back to TMO. But only for the 5G SA update then back to Global. Happy modding!
Click to expand...
Click to collapse
Thanks for replying. Yep, I'm waiting on tmobile as well. :good:
NOTE: Would it be smart to continue flash the modem.img from the previous build (non SA) or leave it alone when I update to 10.5.12.21AA?
Thanks Nathan!

sameog said:
Thanks for replying. Yep, I'm waiting on tmobile as well. :good:
NOTE: Would it be smart to continue flash the modem.img from the previous build (non SA) or leave it alone when I update to 10.5.12.21AA?
Thanks Nathan!
Click to expand...
Click to collapse
I would not fish it update anything unless I have to. If your modem is working then I would not mess with it. If we had a reliable recovery that we can restore then I would say yes. Happy modding!

Nathan.7118391 said:
I would not fish it update anything unless I have to. If your modem is working then I would not mess with it. If we had a reliable recovery that we can restore then I would say yes. Happy modding!
Click to expand...
Click to collapse
SIDE NOTE: I just heard tmobile is releasing 10.5.20.

sameog said:
SIDE NOTE: I just heard tmobile is releasing 10.5.20.
Click to expand...
Click to collapse
They did release... But good luck getting it. They say they have a daily limit and to check back after 8/31/20. Seems like BS to me.
See: https://www.t-mobile.com/support/devices/android/oneplus-8/software-updates-oneplus-8

/Want to go back to 11 beta... how

I am currently on PA (ruby), and since i cant get twrp on 11 working, How can i go back to the 11 beta. I had switched over from tmobile to global then to beta, but i dont want to go all the way back restoring it to the way it was when i bought it with tmobile stuff (with the restore tool)
what would you guys recommend.. quickest way?

satva49721 said:
I am currently on PA (ruby), and since i cant get twrp on 11 working, How can i go back to the 11 beta. I had switched over from tmobile to global then to beta, but i dont want to go all the way back restoring it to the way it was when i bought it with tmobile stuff (with the restore tool)
what would you guys recommend.. quickest way?
Click to expand...
Click to collapse
Great question. I would say flash the beta directly. If it works then good but most likely you are going to have to MSM back to TMO and move from there.
Think of it like an Etch A Sketch where you start over clean. I know it's a pain without TWRP but hang in there. Hopefully we'll have it working soon. Happy modding!

Nathan.7118391 said:
...most likely you are going to have to MSM back to TMO and move from there.
Click to expand...
Click to collapse
Did anyone make a patched version of the International MSM for it to work on TMO phones? When I was using the OP7Pro, one existed for people who converted TMO phones to global software. That way, you didn't need the TMO MSM unless you wanted to return to their software.

AarSyl said:
Did anyone make a patched version of the International MSM for it to work on TMO phones? When I was using the OP7Pro, one existed for people who converted TMO phones to global software. That way, you didn't need the TMO MSM unless you wanted to return to their software.
Click to expand...
Click to collapse
If it exists it would be here,
[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...
forum.xda-developers.com
Happy modding!

How do I get back to stock Oxygen OS on OnePlus 8T

Sorry for posting this but I have been using AOSP extended for the last couple of days and I want to get back to the stock Oxygent Os. I've Pixel experience recovery installed.
I'm having a hard time finding any usable link to get back to Stock. Can someone help?

You're going to need a PC and MSMtool to restore to stock OOS.

dpryor88 said:
You're going to need a PC and MSMtool to restore to stock OOS.
Click to expand...
Click to collapse
Thank you for getting back bro!! I tried MSM but I'm getting Qualcomm Crash dump issue without successful reboot to the system. Can you help?

Mrsaif said:
Thank you for getting back bro!! I tried MSM but I'm getting Qualcomm Crash dump issue without successful reboot to the system. Can you help?
Click to expand...
Click to collapse
Read the MSM Tool thread OP carefully - it has the answer.

OnePlus 8 TMO Missing IMEI and can't unlock bootloader

Hey yall, I really need some help.
So some back story:
I started using a oneplus 8 TMO version and wanted to unlock the bootloader to get android 12 and root the phone. So I went through the process of getting an unlock token and when I finally got it, unlocked my bootloader, flashed the global version of oxygen os, and got it updated to android 12. Everything was working great. So then I wanted to root the phone so I downloaded twrp, booted into fastboot, and tried flashing it. The phone then booted into the system even though I told it to boot into recovery. After about a minute or so it froze and rebooted into a kernal panic. I unfortunately do not have what it said and cant repeat the process, but it booted into recovery and I clicked reason for boot and it said something about the kernal. So after a reboot it then went into crash dump mode. So I had to use the msm download tool (unfortunately I only had the tmo msm version and thought I could just repeat the process because I had slow internet and didnt want to download the global msm tool) to get the phone working again. So booted into edl mode, reflashed the phone, and it booted up. The problem now is that I do not have an IMEI number. I have a wifi address, bt address, and everything else that makes me assume that the efs partition is still ok (but I dont know enough to debate that) but it does not recognize my sim card. The phone also freezed and restarts approximately every 30 seconds.
And now my problem and what I have tried:
Because I have no IMEI I cannot enable oem unlocking in developer settings, cant flash anything in the bootloader - including the unlock token - and can barely do anything in the system because it only stays on for small amounts of time. I have tried many imei write tools such as qualcomm smartphone write imei, readnwrite tool, fastboot imei writer, miracle box, and I think some others but none of them recognize my phone. Ive also tried the oneplus debloat and oem unlock script to try and bypass the setting but it didnt do anything. I have dialed *#801# and was able to enable engineering mode and diag toggle but it still didnt do anything for me. So I really dont know what to do any more. When in the bootloader or recovery the phone does not reboot, so I can stay there as long as I need. Any help on this would be greatly, greatly, greatly appreciated.

Have you tried using the MSMTool again?

Xryphon said:
Have you tried using the MSMTool again?
Click to expand...
Click to collapse
Yeah unfortunately that hasn't worked... I've done it miltiple times with the T-Mobile one and can't use any other one because I don't have an unlocked bootloader... If I had a way to bypass the oem unlocking option in the settings then I might have a chance to fix it but don't know how to do that...

try using this version of msmtool(i use MsmDownloadTool V4.0_Win7 on windows 10). it's a bit newer version(5.2.89) i extracted from OP9Pro file. replace the version from whichever unbrick file you download. worked for me. but don't upgrade to android 12 again, the same issue will happen

gingerboy92 said:
try using this version of msmtool(i use MsmDownloadTool V4.0_Win7 on windows 10). it's a bit newer version(5.2.89) i extracted from OP9Pro file. replace the version from whichever unbrick file you download. worked for me. but don't upgrade to android 12 again, the same issue will happen
Click to expand...
Click to collapse
Thanks for the response! And I am so sorry but what do you mean by unbrick file? I just had to download the tmobile version of the msm tool. I mean to be fair it was uploaded by someone so they probably pre programmed it but I unfortunately dont have the knowledge for that. I am also using msmdownloadtool v4.0. Do you happen to have the links to what you are referring to?
Heres the link to the one that I have downloaded: https://forum.xda-developers.com/t/...l-to-restore-your-device-to-oxygenos.4093043/
Thanks!
EDIT: so once you said that I actually went to the link and there were various versions. So I tried another one and it didn't work but then tried one more and my IMEI was back! I have no idea why that happened but thanks for the idea! I was so happy.

shubbyshoes said:
Thanks for the response! And I am so sorry but what do you mean by unbrick file? I just had to download the tmobile version of the msm tool. I mean to be fair it was uploaded by someone so they probably pre programmed it but I unfortunately dont have the knowledge for that. I am also using msmdownloadtool v4.0. Do you happen to have the links to what you are referring to?
Heres the link to the one that I have downloaded: https://forum.xda-developers.com/t/...l-to-restore-your-device-to-oxygenos.4093043/
Thanks!
EDIT: so once you said that I actually went to the link and there were various versions. So I tried another one and it didn't work but then tried one more and my IMEI was back! I have no idea why that happened but thanks for the idea! I was so happy.
Click to expand...
Click to collapse
yeah, that's it. it's related to version of msmdownloadtool. some of them must have a newer version. i had the idea from someone else on this forum too. glad it helps. be careful not upgrade to android 12 for now. i think it's because of the way oos12 detects phone varient causing the modem to go crazy. not sure tho. would love to see someone figures it out

gingerboy92 said:
yeah, that's it. it's related to version of msmdownloadtool. some of them must have a newer version. i had the idea from someone else on this forum too. glad it helps. be careful not upgrade to android 12 for now. i think it's because of the way oos12 detects phone varient causing the modem to go crazy. not sure tho. would love to see someone figures it out
Click to expand...
Click to collapse
Yeah, OOS 12 messed up my phone for a bit until I was able to get OOS 11 back on both slots.

shubbyshoes said:
Thanks for the response! And I am so sorry but what do you mean by unbrick file? I just had to download the tmobile version of the msm tool. I mean to be fair it was uploaded by someone so they probably pre programmed it but I unfortunately dont have the knowledge for that. I am also using msmdownloadtool v4.0. Do you happen to have the links to what you are referring to?
Heres the link to the one that I have downloaded: https://forum.xda-developers.com/t/...l-to-restore-your-device-to-oxygenos.4093043/
Thanks!
EDIT: so once you said that I actually went to the link and there were various versions. So I tried another one and it didn't work but then tried one more and my IMEI was back! I have no idea why that happened but thanks for the idea! I was so happy.
Click to expand...
Click to collapse
which worked for you?