To turn on data roaming:
1. Go to Settings > Network & internet > Mobile network.
2. Slide the Mobile data and Roaming switch to the right.
Note: Accessing data services while roaming may incur considerable additional charges. Check with your network service provider about data roaming fees.
To disable data services:
1. Go to Settings > Network & internet > Mobile network.
2. Slide the Mobile data switch to the left.