Question After updating to android 12 No 5g anymore - Samsung Galaxy A22 5G

Have tried everything to get 5g working again but only 4g is show even with networkd mode on 5G how to i downgrade back to android 11

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EE-UK-Android10

Its been a while since I've been on here and flashed anything but due to upgrading too 7pro 5g and being no updated to Android 10 I logged back in :victory:
My question is if our phones are waiting on EE to push the update out to us isn't it possible to OEM unlock and flash OnePlus Stock ROM

UK EE OnePlus 7 Pro 5g, Lineage OS - no sim found. Then global firmware also broke wifi.

Hello. I am fairly technical with web and computers but not so much when it comes to android or mobile hardware/sofware so bare with me.
I got my oneplus 7 pro 5g (UK EE network) back from repair yesterday and went to install lineage os on it following this tutorial https://wiki.lineageos.org/devices/guacamole/install with OpenGApps nano.
The install seemed to go fine and managed to boot into lineage, connected to wifi and then started installing my apps etc. Today I moved my sim over and could not get the phone to recognise the sim. Could not turn on mobile data, could not see a phone number in the about settings page etc.
I then started googling around and found this thread [OP7P] [Latest: 11.0.3.1] Android 11 Firmware collection | XDA Forums and in my limited wisdom decided to just start flashing the global firmware onto the device. After this lineage booted fine but now not only no sim/mobile network but also no wifi. I assume i have put the wrong firmware onto the device, maybe something to do with either my phone being a UK phone or the fact that it has a different modem for the 5g version of it.
I think it's time I asked some people who know what they are talking about rather than trusting my own poor judgement :/ Does anyone know how I can fix the wifi and sim on this device now? I dont mind if it is on lineage os or if it goes back to oxygen os.
Device OnePlus 7Pro 5g | Model: GM1917 | Build: lineage_guacamole-userdebug 11 RQ3A.210905.001 10035588
The OnePlus 7 Pro 5G doesn't have working modem on custom ROMs past Android 10, and me and others efforts to get it working have failed. This is due to different modem and partitions. You also cannot flash the international firmware on it. This will most likely break modem even more. The best you can do is flash the EU5G firmware going by GM27BA. (Found here https://forum.xda-developers.com/t/...rint-oneplus-7-pro-5g-to-european-fw.4042583/). Also Android 11 is not out and probably will never be out. The source for the 7 Pro 5G isn't even fully out so building custom ROMs won't work
Thanks for the info and the link. I really appreciate it.
adriantechguy said:
The OnePlus 7 Pro 5G doesn't have working modem on custom ROMs past Android 10, and me and others efforts to get it working have failed. This is due to different modem and partitions. You also cannot flash the international firmware on it. This will most likely break modem even more. The best you can do is flash the EU5G firmware going by GM27BA. (Found here https://forum.xda-developers.com/t/...rint-oneplus-7-pro-5g-to-european-fw.4042583/). Also Android 11 is not out and probably will never be out. The source for the 7 Pro 5G isn't even fully out so building custom ROMs won't work
Click to expand...
Click to collapse
So if I were to go back to stock oxygen os would that fix my modem alone or will I need to fix the firmware separately since I flashed the global firmware over the top?
mansguiche said:
So if I were to go back to stock oxygen os would that fix my modem alone or will I need to fix the firmware separately since I flashed the global firmware over the top?
Click to expand...
Click to collapse
You can try. I bet it'll probably fix it
adriantechguy said:
You can try. I bet it'll probably fix it
Click to expand...
Click to collapse
Done! Just going through android initial setup now but it is registering my sim and wifi. You absolute legend. Thank you so much for your help.
Try YAAP custom ROM , works brilliantly

Downgrade from latest stable Oxygen OS 11 to Oxygen OS 10

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?
Click to expand...
Click to collapse
OnePlus 7T Pro McLaren HD1925 (T-Mobile)

Android 11 is downloading

Android 11 update is downloading and installing as I write this. US model. North American Retail channel.
Just sharing.
My TMO model is also getting notification for the 11 update.... but not taking it. I don't want it to kill Android Auto on my phone.
FoneWatcher said:
My TMO model is also getting notification for the 11 update.... but not taking it. I don't want it to kill Android Auto on my phone.
Click to expand...
Click to collapse
What else is wrong about 11?
I can still stop mine.
guys plz help i cant oem unlock on android 11 it says connect to internet or contact carrier and im connected to internet but its still grey
maybeme2 said:
What else is wrong about 11?
I can still stop mine.
Click to expand...
Click to collapse
I'm not sure if it's 11 or 12 (I know 12 does for sure) that breaks AA on phone, but I'm not taking any chances - one of them or both do. This Ace is the only phone I have left with 10.
I'm having a problem with this ota update of my unrooted phone to android 11. It seems stuck at step 3 of 6.
I've seen the update process go as far as 66% of step 3 of 6 several times only for it to restart step 3 again and again. Something does not allow it to complete installing step 3. Internet has been available throughout.
Any suggestions? Is there another way to update?
Researching the web for why the android 11 is not installing on my phone I discovered all the bugs that the moto android 11 update apparently introduces. So I guess I'm lucky the update did not take. I turned off smart updates and will wait to see if and when Moto will get its act together.
smartasiankid said:
guys plz help i cant oem unlock on android 11 it says connect to internet or contact carrier and im connected to internet but its still grey
Click to expand...
Click to collapse
It will probably show by now (3 days later). I had the same thing after an unintentional upgrade to 11, but that cleared after only a day when I connected to the Internet again. But apparently the typical wait time is 3 days. (EDIT/ADD) If it still isn't showing, try a reboot.
FYI (all), this phone CAN be downgraded back to Android 10 -- with an UNLOCKED bootloader only. I posted my experience in this Q&A section -- by accident (oops!) so it might get moved at any time to Guides, News and Discussion. Thus I won't post a link here because it might change. If you decide you want to downgrade just look for "Downgrading Motorola One 5G Ace".
I guess I was lucky the ota 'upgrade' to 11 got stuck on step 3.
Android 10 works fine for me except for random reboots. If I find a solution for that all would be well.

Problems on Androida 13 return to Android 12

Hello, since switching to Android 13 began to appear various problems with the phone therefore wants to return to Android 12. The question is whether I can do the return through Odin without any problem (the phone has never been modified). Problems on Android 13: Interrupting calls (as if losing coverage even though I have full coverage) and I can't turn off VoLTE in options (on Android 12 I could).
The phone code is : N9860 I use it in Europe
Bootloader is downgrade protected. you can downgrade from Android 13 to Android 12 only on same bootloader level. check the binary Bit/SW REV. https://samfw.com/firmware/SM-N9860

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