Widevine L1 Lost after march 21 security update - Xiaomi Poco X2 Questions & Answers

Using poco x2 since mar20 after last update my widevine L1 certificate gone and now showing only widevine L3

Same issue even i lost my widevine after doing factory reset i even went to the service center for the same

Same issue with poco x2 from last update

U messed up your persist partition.... Restore persist using this guide
[Guide] About repairing/fixing the persist partition
Disclaimer: I am not responsible for the results of any of these operations. Everyone knows that the persist partition is responsible for sonsors and carrier network etc. Once this partition is failed or lost, your phone will go wrong. I just...
forum.xda-developers.com

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Xiaomi Monet rom 12.1.4.0 global eea widevine L3?

Hi,i have a xiaomi mi 10 lite 5g ,all stock no root no unlock bootloader etc..
I want use Netflix and drm info show me .....widevine L3 .
I have update rom 12.1.3.0 with original OTA 12.1.4.0 .
Have this update broke widevine?
In Security fingerprint ...i have not certificate widevine.
Sorry for bad english.
What's the problem?
P.s., i have download also 12.1.4.0 recovery (3.0gb) and reflash It,but widevine Always L3
With android 10 and MIUI 12 widevine was L1
Mandrake2010 said:
Hi,i have a xiaomi mi 10 lite 5g ,all stock no root no unlock bootloader etc..
I want use Netflix and drm info show me .....widevine L3 .
I have update rom 12.1.3.0 with original OTA 12.1.4.0 .
Have this update broke widevine?
In Security fingerprint ...i have not certificate widevine.
Sorry for bad english.
What's the problem?
P.s., i have download also 12.1.4.0 recovery (3.0gb) and reflash It,but widevine Always L3
With android 10 and MIUI 12 widevine was L1
Click to expand...
Click to collapse
It Is wrong that official build Is :RKQ1.200826.002 test-keys.......and no release Key? This update android 11 with test Key has broken drm??
Mandrake2010 said:
Hi,i have a xiaomi mi 10 lite 5g ,all stock no root no unlock bootloader etc..
I want use Netflix and drm info show me .....widevine L3 .
I have update rom 12.1.3.0 with original OTA 12.1.4.0 .
Have this update broke widevine?
In Security fingerprint ...i have not certificate widevine.
Sorry for bad english.
What's the problem?
P.s., i have download also 12.1.4.0 recovery (3.0gb) and reflash It,but widevine Always L3
With android 10 and MIUI 12 widevine was L1
Click to expand...
Click to collapse
Factory data reset did not help, always widevine L3( from Recovery wipe data)

PLEASE HELP - Widevine L1 lost on OOS10 - I HAVE original persistent backup

I've updated my phone to OOS 11.0.1.1 - Cause of worse performence and battery live i reverted back to 10.3.8 using the MSM tool.
But on 10 Widevine L1 without root and unlocked bootloader l1 is gone. It comes back when i upgrade to 11?!
Now i do have a backup of my persistent part back from 10 when 11 was not released and i had l1 on 10. My idea is to bring my phone back the exact same setup and flash the persistent backup img... Is this a good idea or is there another reason why l1 is lost on 10 ??

Widevine L3

After new year or 11.0.5.1 update, widevine certificate went from L1 to L3. I never unlocked, rooted or modded my phone. Model is Oneplus 7 Pro GM1910 256gb. What is your widevine level?
Same for me, although I am not sure of the timing. Ever find a fix?
Try flashing latest OOS 11 image from MSM tool. Internet says it fixes the L3 issue.
Note:
1) Flashing ROM from MSM tool will wipe data so backup first.
2) The image necessarily needs to be Oxygen OS 11. Version 10 won't fix anything.
I have this issue as well. But I am living with it as I don't use Netflix stuffs. Let the community know if it fixes

Widevine L3 persists on all roms

Widevine L3 is always their no matter what i've tried (Msm tool, OTA update up to the latest OOS). Perhaps it has something to do with me partions (im on slot A). I also noticed its a widespread problem on multiple brands. Is their a definitive fix to getting back L1 without sending my device to OnePlus?

Widevine L3 on stock locked bootloader

I have a stock GM1917, running OSS 11.0.9.1.GM21AA. I've never unlocked bootloader, ironically because I didn't want to lose L1. I just download DRM Info and it reports Widevine L3.
What's up with that, and is there anything I can do about it? I'm thinking about rooting now that I can see that you can retain L1.
Try flashing latest OOS 11 image from MSM tool. Internet says it fixes the L3 issue.
Note:
1) Flashing ROM from MSM tool will wipe data so backup first.
2) The image necessarily needs to be Oxygen OS 11. Version 10 won't fix anything.
I have this issue as well. But I am living with it as I don't use Netflix stuffs. Let the community know if it fixes.
MSM flashing didn't help. Tried multiple times/versions, including before ever unlocking the bootloader for the first time. I think some of us just have a bad device that can't be fixed by MSM.
I have the same problem on my 7 pro (GM1911), Did anyone found any solution to this issue ?

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