How to Fix Netflix Error Code F7121-3078 on Firefox
Firefox uses the Widevine plugin in order to stream the DRM-protected contents. And the browser usually updates this plugin on its own at regular intervals. However, it seems that has happened for a considerable time period. Therefore, you should consider manually updating the DRM certificate plugin, using any of the two methods listed below.
FIX 1: Manually Update Widevine DRM
FIX 2: Disable and Re-Enable DRM
So with this, we round off the guide on how you could fix the Netflix Error F7121-3078 on Firefox. Likewise, it should rectify the issue that other streaming services might be having in this browser environment. Since it involves DRM certification, deleting the browser’s cache or data or reinstalling it wouldn’t help you out. The only way out is to update the DRM certification. And for that, we have shared two different methods. If you have any queries concerning the aforementioned steps, do let us know in the comments. We will get back to you with a solution at the earliest.
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