Please tell us some basic information before asking for help: Model Name: ZenFone 6 Firmware Version: WW_18.0610.2011.107 Rooted or not: no Frequency of Occurrence: after official Android 11 release APP Name & APP Version (If your issue relates to the app): DRM Info In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc. ======================================== Before I install the official Android 11 update via OTA I was on widevine L1. After the official OTA-update (which installs without any error or warning-messages) I am on widevine L3. Testet with "DRM Info" app.
UPDATE: After another reboot I am back on widevine L1! I did'nt change anythink, only the app "DRM Info" was used.
Now I am back on Widevine CDM Security Level: L1 Max. Number of Sessions: 30 OEM Crypto API Version: 16