Huawei GR3 TAG-L21 C328B126 won't get system updates after unroot and stock rom flash - XDA Assist

Hello xda,
i'm going straight to the problem, i used to have my Huawei GR3 rooted but i decided that i wanted to receive official updates so i could try a specific app that starts with P and ends in GO, thing is, after i flashed my phone with the stock rom from the huawei official website my phone doesn't say it can't receive updates because the phone was modified anymore but won't receive them either, i'm stuck on TAG-L21C328B126, tried using the huawei firmware search app to download the most recent version of the TAG-L21C328 but when i try to update my phone with the most recent updates, the phone always gets a error saying that the package can't find the fingerprints and asks for L21C328B127 or L21C328B128.
Is there a way i can fix this ?
Error mentioned above:
"Package expects build fingerprint of huawei/tag-l21/hwtag-l6753:5.1/huaweitag1/c328b127:user/release-keys or huawei/tag-l21/hwtag-l6753:5.1/huaweitag-l21/c328b128:user/release-keys; this device has huawei/tag-l21/hwtag-l6753:5.1/huaweitag-l21/c328b126:"
PS: Is there a way to update the stock rom update.zip with the small ota updates manually on your computer ? i contacted huawei help center on my country, all they told me was that TAG-L21C440B139 is the last ota for my phone, and since i can't update via android, i was thinking if i could grab the stock rom and just update it with all the otas till it reach TAG-L21C440B139 on my computer.
Best Regards
RD

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Huawei GR3 TAG-L21 C328B126

Hello xda,
i'm going straight to the problem, i used to have my Huawei GR3 rooted but i decided that i wanted to receive official updates so i could try a specific app that starts with P and ends in GO, thing is, after i flashed my phone with the stock rom from the huawei official website my phone doesn't say it can't receive updates because the phone was modified anymore but won't receive them either, i'm stuck on TAG-L21C328B126, tried using the huawei firmware search app to download the most recent version of the TAG-L21C328 but when i try to update my phone with the most recent updates, the phone always gets a error saying that the package can't find the fingerprints and asks for L21C328B127 or L21C328B128.
Is there a way i can fix this ?
Error mentioned above:
"Package expects build fingerprint of huawei/tag-l21/hwtag-l6753:5.1/huaweitag1/c328b127:user/release-keys or huawei/tag-l21/hwtag-l6753:5.1/huaweitag-l21/c328b128:user/release-keys; this device has huawei/tag-l21/hwtag-l6753:5.1/huaweitag-l21/c328b126:"
Best Regards
RD

How can I get nougat on my NXT-L09C636B191? Firmware finder app doesn't work.

Just trying to somehow get nougat without rooting or anything. Firmware finder shows an OTA available for L09C636B593 but I can't get it to go into updater.
This is a good question because I'm in the same boat
same to you
brian85 said:
Just trying to somehow get nougat without rooting or anything. Firmware finder shows an OTA available for L09C636B593 but I can't get it to go into updater.
Click to expand...
Click to collapse
About the only way I've seen so far, is to load twrp, screw around with other files, load a custom rom.
Until the rom shows up via the stock updater, or, the firmware finder app shows something that says
FULL and not OTA or FullOTA, you and the rest of us are stuck until Huawei officially releases it.
It's not that bad of a deal though, 6 for me anyway is VERY stable.
I agree it's stable but one of the reasons I bought a huawei phone was they are supposed to be the first to update to new versions and here I am still waiting. I thought Samsung was bad but guess what the s7 is already on android 7 and I'm not.
I think I'll be going back to Samsung soon as the note 8 comes out.
brian85 said:
Just trying to somehow get nougat without rooting or anything. Firmware finder shows an OTA available for L09C636B593 but I can't get it to go into updater.
Click to expand...
Click to collapse
from L09C636b210 you can update via Firmware Finder to L09C636b521. Then go to System Update and you will see L09C636b563 update available. I recommend DOWNLOAD LATEST FULL PACKAGE from the pull down menu.
The update came for me, but not through firmware finder. Mine came through the built in update program
in the phone.
Mine was L29C185B180, then I got 321 through firmware finder, but it never would update. When I saw someone
post that 560 came through, I tried firmware finder, never had anything, but when I checked the Huawei update
app and it showed up.
I uninstalled the firmware finder app. Nice idea, but didn't work for me.

Huawei p9 lite firmware update doesn't have effect after successful installing

My p9 lite is VNS-L22C706B120. I never upgraded it since I bought it in New Zealand, though I have received notification of updating to B130 for a long while.
Recently I tried updating to B130 in order to get Android 7 finally, but got problem that the successful update takes no effect at all. I still remain at B120 and keep receiving update notification to B130. I described my steps recently as below:
Try Updater
First of all, I tried using Updater downloading the package and install, it says update failed because the package it not found. I found the reason is the update package is stored in internal storage other than SD card. Then I created dload folder and moved update package to SD card, but Updater cannot detect it and keep telling me to download B130. Therefore, I tried pressing Volume Up, Down and Power button together. Then the package is detected and installing started. It is very fast and I was told install success. However, after rebooting I still have B120 and am told to update to B130 by Updater.
Unlock bootloader and root
Yesterday, I decided to try custom ROM, so I managed to unlock the bootloader, install TWRY and root the phone, though I still cannot make B130 update take effect. I searched for a few custom Rom with Android 7, but I found they still required a higher firmware version than B120, like this ROM, which requires EMUI 5.X.
The help I need
I wonder if I can flash the ROMS that require a higher firmware version when I only got B120 firmware. If I cannot, how can I get my firmware updated, through Updater or any other way (like TWRY possibly) ?
I hope I have stated my problem properly so that you guys can understand. I appreciate any suggestions!
Jlw_ said:
My p9 lite is VNS-L22C706B120. I never upgraded it since I bought it in New Zealand, though I have received notification of updating to B130 for a long while...
Click to expand...
Click to collapse
I don't have this device but, your best bet is to post this question within the following Q&A thread that's specific to your device.
https://forum.xda-developers.com/showthread.php?t=3461043
Good Luck!
~~~~~~~~~~~~~~~
I DO NOT provide support via PM unless asked/requested by myself. PLEASE keep it in the threads where everyone can share.

Unable to get back to A 10 after Oneplus flashed A9 to device

I am trying to get my phone back to the original A10.
I had an issue whereby the fingerprint sensor would not work properly and assistant wouldnt respnd to teh the wake wordand I was constantly resetting the phone to get it to work properly so I contacted oneplus support who said that it was best for them to flash the phone and in doing so they have flashed Android 9 and are now saying they cannot flash to Android 10 for me and I have to wait for an update on EE to get back to Android 10 which is stupid
having spoken to EE say have said this is a oneplus issue
oneplus support has been shocking what can you advise me
I have already tried the local upgrade process where I have downloaded the Android 10 file and copied it to the root of my device but when I go to system updates the phone will not see the file no matter what I do
I have already tried the local upgrade process where I have downloaded the Android 10 file and copied it to the root of my device but when I go to system updates the phone will not see the fine no matter what I do
I have also tried to get the phone to force an OTA update but that does not work either
please help
bartjunited said:
I am trying to get my phone back to the original A10.
I had an issue whereby the fingerprint sensor would not work properly and assistant wouldnt respnd to teh the wake wordand I was constantly resetting the phone to get it to work properly so I contacted oneplus support who said that it was best for them to flash the phone and in doing so they have flashed Android 9 and are now saying they cannot flash to Android 10 for me and I have to wait for an update on EE to get back to Android 10 which is stupid
having spoken to EE say have said this is a oneplus issue
oneplus support has been shocking what can you advise me
I have already tried the local upgrade process where I have downloaded the Android 10 file and copied it to the root of my device but when I go to system updates the phone will not see the file no matter what I do
I have already tried the local upgrade process where I have downloaded the Android 10 file and copied it to the root of my device but when I go to system updates the phone will not see the fine no matter what I do
I have also tried to get the phone to force an OTA update but that does not work either
please help
Click to expand...
Click to collapse
Flash OOS via MSM
Would this void my warranty
Does my device news to be rooted
I have the official 10 update O too
Just had a look can't find OOS rom which one is it please
https://forum.xda-developers.com/on...ock-fastboot-roms-oneplus-7-pro-t3931424/amp/
Google it next time a litlle bit..and btw wrong thread

Question OnePlus 9 cannot update from 2113_11_C.60

Hi all,
I have a weird issue - I have updated my OnePlus 9 EU last year over Oxygen Updater, but managed to install India-only update on EU phone and now in settings it shows 2113_11_C.60.
After scouring internet I found that C.60 was India only update.
Now, I haven't received a single auto update since May 2022.
I have tried downloading incrimental updates to C.62 both for 2113 and 2111, but neither local upgrade nor special oneplus app was not able to update.
Also tried full install of C.62, no success.
Even tried full upgrade to latest EU build LE2113_11_F.75 - same result..
The local upgrade through settings constantly shows "verification failed" no matter what file I choose.
OP's System Update app would fail after showing system updating for a minute, with 0% progress.
As I understand, I somehow managed to install Indian version of incrimental update on EU phone, but now I am stuck on it.
What are other reinstall options on OnePlus 9?
Can I somehow force install if I connect over PC?
Many thanks for the help!
EDIT:
Forgot to attach screenshots...
Index of /list/Unbrick_Tools
Find the one compatible for your device whatever stock would be and run the msm recovery tool. This will get you back where you need to be to be able to update to latest software.
Otherwise you can try editing the file payload_properties.txt inside the update zip and changing oplus_update_engine_verify_disable to 1. This way your phone should skip the verification process entirely. Keep in mind that this could still result into bricking your phone because of this unintended update path but since the alternative would be using MSM tool why not trying anyway.

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