Poco F1 has finally received Widevine L1 certification after much anticipation. With the new move, Poco F1 users will now be able to stream HD content. Xiaomi is initially testing Widevine L1 support on the Poco F1 through an over-the-air (OTA) MIUI update for beta users. However, it is reported that the new feature is initially limited to Amazon Prime Video and Hotstar. This means the Poco F1 is yet to receive certification for streaming HD content on Netflix.
How to verify /enable if you have L1 on your phone.
Steps:
1. Ensure at least one fingerprint
enrolled and network connected;
2. Go to Settings -> Lock screen &
password -> Manage fingerprints ->
Fingerprint payments -> Widevine
(L1)
3. Click “Certificate” button to
download widevine certificate/key
To get Widevine L1 in a custom ROM.
Download MIUI 9.2.25 build
> Flash it
> Boot into it, make sure you are connected to the internet
> Again flash custom ROM
Link to official post and More about Widevin