Need help downgrading from B370. KIW-L21 Europe. - Honor 5X Questions & Answers

My stock 5x is acting up, i think a custom rom might help me get a few more months out of it, but i'm having trouble getting started.
My European (Polish) KIW-L21 5X is running official kiw-l21c432b370 firmware with unlocked bootloader, TWRP and it's rooted, but i can't find any reliable guide with working links to help me downgrade my OS version to one before the VoLTE update so i can start installing custom ROMs, now that the files have been removed from the Huawei website.
Can anyone help me with the downgrade? I'm gonna need a firmware package for my phone and a few instructions on how to apply it, if you need any more info i'm happy to provide.
Huge thanks in advance!

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updating firmware decision

hello everyone
i bought an unlocked ls990 g3 phone, it seems that it was originally locked
however the software version installed is ZV4 stock
the phone is unrooted but did not received any firmware updates through OTA
my questions are:
1- why i did not receive the official firmware update ?
2- if i update the firmware to zv6 then zv8 manually, will it lock the phone again?
3- if yes, which custom firmware is the best in terms of similarities as the stock firmware ?
i will appreciate if someone could help me
thanks a lot

How to update At&t s6 edge?

Hi guys, i am a new member and i hope i am in the right section.
I need some help on how to update my device , i am currently on 5.1.1 (rooted).
Model number : SM-G925A
Baseband version : G925AUCU3BOI2
On my device it says that i have the latest version but i want to update to marshmallow or nougat.
Thanks
P.S Some detailed help would be appreciated because i have little knowledge about android.
lunaso said:
Hi guys, i am a new member and i hope i am in the right section.
I need some help on how to update my device , i am currently on 5.1.1 (rooted).
Model number : SM-G925A
Baseband version : G925AUCU3BOI2
On my device it says that i have the latest version but i want to update to marshmallow or nougat.
Thanks
P.S Some detailed help would be appreciated because i have little knowledge about android.
Click to expand...
Click to collapse
The reason it says your on the latest firmware is because you are rooted. At&t firmware is hard to come by as they lock the bootloader and device down. If you are not bothered about root flash stock firmware and you can uodate OTA.
I have the same problem except that my phone is not rooted, im on stock AT&T Android 5, but it still says i have the latest firmware.
Someone told me that it has to be connected to AT&T cell towers to find the update but even that didn't work for me.
alireza_simkesh said:
I have the same problem except that my phone is not rooted, im on stock AT&T Android 5, but it still says i have the latest firmware.
Someone told me that it has to be connected to AT&T cell towers to find the update but even that didn't work for me.
Click to expand...
Click to collapse
I will give it a shot but first i need to find the stock firmware because its hard to find for my device specifications, and i will let you know if it worked for me
Edit: flashing the stock firmware locks phone to only at&t network since i use different network i will not try to update it

Honor 9 OTA 8.0.0.350

I just got this OTA. Is it final?
No, it's the second beta of Oreo for EU firmware.
Good for you. Now were you the smart guy who grabbed the files before actually upgrading? In order for @OldDroid to make an updated guide for everybody to upgrade... ?
i have a curiosity, i'm in italy so europe, device L09. i cant agree to beta test program beacause closed. so my question is: if anyone on oreo go on updater then download most recent update.zip and upload it everywehere or send me i can install it without problems with the emui recovery?

T-Mobile latest firmware?

Hi all,
Been a long while since I actively discussing something here, I hope I don't violating anything with this post.
I have a TMobile version but somehow can't do an OTA update. It's on A11 and there's a notification about new firmware. But always unable to finish the update after a few mins.
Is there any link to download latest firmware? 30f? On LG-firmwares website, the latest is on 20h or something.
Thank you
Is your bootloader unlocked? Are you rooted? If so, OTA will not work. Presently you can't download 30f firmware or any Android 12 for V600TM. However, you can download an Android 12 30b dump here. This will move you to Android 12 just like OTA.
Instructions are here.
Thank you!

Question Flashing newer firmware on an unrooted XQ-CQ54

Hi all,
I wanted to flash a newer android 13 stock firmware because my Sony from a UK operator doesn't get the OTA update.
I have the firmware from XperiFirm and made the ftf with flashtool. Just before I was about to get if flashed I was reading comment saying this tool is not good anymore, but I am not 100% sure how to use the Newflasher instead.
Could someone help me on that?
I don't really want to brick my phone and if it's not a safe way to get android 13 I might just don't do it.
Cheers.

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