Still november security patch.

L29C636B521

There's a way to get Nougat OTA without custom recovery or root and without losing your data by using Firmware Finder at google play. It will force Nougat OTA to your phone.

This post has been edited by dexz: Feb 3 2017, 07:32 PM

You can even get Nougat OTA from B321.

You don't need to downgrade to B211

Since My phone is already in Nougat Beta program. I will always received Nougat OTA. So I purposely debrand my phone to C432 region and try it. To answer your question. Yes I've tried it and it worked.

Not sure if you will receive from official huawei but the Firmware Finder app will push it to your phone. In other words, The app will trick your system updater that you have Nougat OTA. That's all.

You need to enable installation via system updater under the setting menu. After that select firmware B521 then send firmware to updater. A guide will popup to tell you what to do.

PS : Always backup first before you install. Just incase anything happen.

This post has been edited by dexz: Feb 4 2017, 01:21 PM

Just click update. It will check for new update.

Any downgrade firmware will be lost. Make sure you backup first before perform downgrade.

Yes.

Please read through my steps again.

Any upgrade firmware via OTA won't lost any data but always backup first before installing it.

Good luck!

Tested both firmware B321 and B211. Managed to install B521 from B211 but not B321. I think B321 doesn't support B521 ota update.

Using Firmware Finder.

I suppose so. B321 never designed for public. It's a test firmware.

Should try downgrade it to B193 then update it to B211 but then again you should wait for official update if you don't want to try.

This post has been edited by dexz: Feb 6 2017, 07:44 PM

Go setting then enable ota. After that get firmware list again.

Try this link https://youtu.be/NB1CSheVDH0

This post has been edited by dexz: Feb 7 2017, 11:46 AM

That's weird. I can download it. Just tried it a minute ago.

Edit : download from the onedrive link. That's for emui4.1 to 4.0

This post has been edited by dexz: Feb 7 2017, 11:53 AM

Download the onedrive link. I have just edited my previous post.

Will upload it to mega later.

https://mega.nz/#!PkMHTSTJ!MfY1QmSj...tHQrPZIa2p-HI88 - Rollback from EMUI 4.1 to EMUI 4.0

This post has been edited by dexz: Feb 7 2017, 12:30 PM

Yes. After you have dload B211 you need to factory reset or else you won't able to boot into the system

Sorry I don't have the answer for that. B321 I think it's just a testing firmware. Maybe I'm wrong but Huawei has shutdown the original link for B321and can't be download any more. You might need to confirm with Huawei customer support if B321 will get Nougat OTA in the future.

You don't need to extract it. Just copy the update.app to dload folder at your sdcard. After that shutdown your phone. Press and hold vol up + down + power . This update.app will change your build number to NXT-C900B300 or something. Then only you can downgrade to B211 with the same method dload.