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Got the OTA, it failed to install in stock recovery. After some tries the phone rebooted to b540 and downloaded FULL-OTA, which installed successfully. After the update I had to go back to TWRP and flash the network patch, which worked fine. The face unlock patch on the other hand makes TWRP crash.

After some research on the chinese Huawei forum (with the help of Google Translate), I discovered that Huawei has chosen a gradual rollout for this update. I'll wait a week or two and see if it comes up. Thanks for your help!

I didn't enable OTA updates so I couldn't see them, never received a notification because of that. Tried HiSuite and eRecovery, no update available. I found news about the update here. It's the same mentioned by the user just before me, the July 2020 security update. Firmware finder says...

Thanks for the help. I managed to enable OTA updates, revert to stock recovery and successfully install one update that popped up in the settings, but it was just a patch (patch03). No signs of B550. Are there ways to force the OTA update?

Hi, I've got a european P9 rebranded successfully and updated to B540 with Network Patch and Face Unlock. I've got TWRP, ota disabled and no root. I'd like to update to July 2020 update (B550). Can I just enable OTA updates, switch back to stock recovery (like in step 29 of post #2), and update...

Trying to install the 09/09 update results in a bootloop, tried both dirty and clean flash. I noticed that other users had the same problem, is there a fix? I also wanted to report that both WiFi and GPS work with no issues and no fixes needed.