How to control how much data Netflix uses
Netflix offers 4 mobile data usage settings:
Can use 1 GB per 20 minutes or more, depending on your device and network speed.
Automatic: The Netflix app selects a setting that balances data usage and video quality. You can watch about 4 hours per GB of data.
If you have also set your Netflix data usage, streaming on mobile devices won’t exceed this setting.
Adjust your mobile data usage settings
To select the setting that works best for your mobile data plan:
To adjust your downloads data settings, switch Wi-Fi Only on or off under Downloads.
Note:
You won’t be able to change this setting if you have pending downloads. If your preferred data setting is grayed out, cancel all pending downloads or wait for them to finish, then try again.