Quick steps to setting up your smartphone APN for mobile data access :
1. Visit the settings menu of your device
2. Click on Settings > Mobile Networks > Access Point Names
3. Select Reset to default
4. Go to Menu button > Tap New APN.
5. Enter 'Name' field and 'APN' field as 'JioNet' & tap 'OK'. Your APN has now been configured for mobile data access.
Apple devices self-detect the APN and configure internet access on your mobile automatically.