Netflix Playback Error 12001 on Android devices
The error code 12001 on your Android tablet or mobile device is typically due to some information stored on the device that needs to be refreshed. Follow the steps below to refresh that information and get back to watching Netflix.
Restart the device by powering it completely off for about 15 seconds, then power it back on and attempt to stream again. This will cause the existing network connection to the device to be refreshed once power is restored. If the previous step was unsuccessful, restarting the device is often enough to restore your ability to connect to our service.
Be sure that the device is turned completely off, or even unplugged, if possible -- it's much more effective at refreshing the device's network connection than putting the device into standby or "sleep" mode.
Clear the Netflix application data
- Navigate to Settings.
- Under Device, choose Application manager.
- Select Netflix.
- Choose Clear data, then OK.
- Re-enter the Netflix application and try playing again.