Cannot upgrade from B171 to B199 - P8lite Q&A, Help & Troubleshooting

I can't update my firmware from ALE-L21C432B171 to ALE-L21C432B199 by using the OTA updater. I can download the update but when I try to install it the install fails at 4% every time.
I had exactly the same problem upgrading from B133 to B171. Huawei Support advised me to download the firmware from a website and do a local update. That worked. I would be really happy if someone coould point me to a working download link for the B199 upgrade.

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Still stuck on software version B133

Hi Guys
I want to install Marshmallow on my Huawei P8 Lite (Single Sim). I need to have B171 installed to update.
However, I am still stuck on B133. When I try to get an update over the air, it says that I already have the latest software installed. First, I tried to do this with the updater. Then, I used HiSuite. They both give the same message: no update available.
Next, I tried to update manually, by using the update that I found via xdadevelopers (http : // www . carbontesla . com/2015/11/huawei-p8-lite-b171-android-5-0-lollipop-firmware/) but it fails to update after 15%.
Finally, I tried all of the above after a factory reset, but nothing worked.
Is there something else I can do?
Thanks in advance!
Look at your phone settings, then about the phone and look at the build number and model number, what values do you have there?
olrak said:
Look at your phone settings, then about the phone and look at the build number and model number, what values do you have there?
Click to expand...
Click to collapse
Build number: ALE-L21C432B133
Model Number: ALE-L21
You don't have the balong bug error. So try reverting to build B052, then you can maybe updated to B188
Instructions on how to downgrade you can find here
Step 2 you don't need to do and Step 3 and 4 you can do OTA with the huawei updater.
Follow instructions mentioned in below topic , then you will be on latest android 6.0
http://forum.xda-developers.com/p8lite/general/huawei-p8-lite-android-6-0-marshmallow-t3309796
Thank you for your answers.
All right folks!
If you encounter this problem as well on your device, do what Olrak and ettenleurtje have told in this thread. Downgrade to B052, then do an OTA upgrade to B170, followed by an OTA upgrade to B188. Then you have the latest OTA update, so you might decide to stop here. However, if you really want the Marshmallow Beta version, do the latest step in their guides as well.
Thank you both for helping me.

Is this update to B171 safe?

I recently bought my P8 Lite (ALE-21) and the OTA upgrade from ALE-L21C432B133 to ALE-L21C432B171 fails to install but crashes at 4% every time. HiSuite's update function just tells me that my B133 firmware is already the latest version.
I read that someone with the same problem solved it by downloading the update from www dot carbontesla dot com/2015/11/huawei-p8-lite-b171-android-5-0-lollipop-firmware/ and doing a local update.
However the link clearly specifies that the upgrade is for the single SIM version of the P8 and I think I might have the dual SIM version. How can I know which version I have?
Is it in any ways dangerous to install a single SIM upgrade to a dual SIM phone - will it work, will it just fail to install or is there a risk of bricking my phone?
I hope you are able to help me get the B171 upgrade working - I need those bug fixes and the possibility of doing further upgrades in the future.
It will not update if not the same version.
You have ALE-L21C432B133, this is for single sim; you can wait for MM or download the correct full firmware update from huawei and do a local update, this should be the correct B171: http://download-c.huawei.com/download/downloadCenter?downloadId=67404&version=236427&siteCode=cz

How to install nougat on Vns-L21c185b150?

Hello,
I tried to install it via Huawei Firmware Finder (b360 from b150) but it ended up on nrdm-test key and missing lots of apps. Should I try to do it first with b331 and then b360 or?
Edit: b331 via Firmware Finder doesn't work as well, NDRM-Test keys and missing apps again.
Please someone write how to update to b360 or b331
Edit 2: Is there datafull for b331 or b360 so i can flash it via TWRP?
bump
you better wait, im with your version too, wait for ota, for our reghion there is still no stable official update

want to update from NRD90M testkeys (L31)

Title says it all 1. Is there an update to NRD90M and 2 if so where can I find the update (nougat.) Also does the UK fit beta app still install for you guys ok? I keep getting 'this package conflicts with an existing package with the same name' I don't have it installed (used to) and I cannot find a solution anywhere on the net.
First downgrade back to MM with the official Rollback package and MM firmware from the Huawei support website.
After that, use Firmware Finder to upgrade to the Full OTA Nougat firmware B371 and next to B381.
Liebaart said:
First downgrade back to MM with the official Rollback package and MM firmware from the Huawei support website.
After that, use Firmware Finder to upgrade to the Full OTA Nougat firmware B371 and next to B381.
Click to expand...
Click to collapse
Where exactly on their support site do I find the firmware? Because every link posted redirects me to a generic support page or a "not found" and I can't find anywhere to download the file for my phone and region. Thank you in advance.
Liebaart said:
First downgrade back to MM with the official Rollback package and MM firmware from the Huawei support website.
After that, use Firmware Finder to upgrade to the Full OTA Nougat firmware B371 and next to B381.
Click to expand...
Click to collapse
there is no rollback packege for the uk :/ now ive bricked my device trying to dop it another way.

Big issue-L21-b160 to nougat with firmware finder

Hello friends,
Today I decided to upgrade my p9 lite dual sim to nougat. The build i was on was the L21-b160 and the updater showed no updates, so I downloaded the firmware finder app.
Since I am a bit new to this, I thought that the b161 would be a newer version of the b160, so i downloaded it with proxy. The update went fine. However, since then, I cannot install a newer ROM version. They all stop at 1% and say 'update failed'. At the moment, I am on VNS-L21C432B161. And ideas of how to install a nougat build?
Thank you all in advance.

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