OxygenOS 11.0.2.1 is rolling out to OnePlus 7 and 7 Pro owners. One of the most important issues on the changelog is a fix for the DRM bug that dropped both phones to Widevine L3, limiting them to streaming SD video.
Some users report that their phones went up to Widevine L1 (allowing them to stream high definition video) immediately after the update. Others were not so lucky and their devices were still showing L3.
Widevine L1 after a successful update
Several users have reported that they successfully resolved the issue by clearing the cache for the Netflix, Amazon Prime Video…
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