Please tell us some basic information before asking for help:
Model Name: Asus I003DD
Firmware Version: 17.0823.2008.78
Rooted or not: No
Frequency of Occurrence: Always
APP Name & APP Version (If your issue relates to the app): Netflix Version 7.75.1 build 26 35131
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.
Not sure when it happened but one day suddenly i could only watch sd netflix. Probably happened after the .70 or .78 update. I thought it was just my internet, but when I checked it was because of widevine drm certification.