iOS:
1. Go to Settings
2. Mobile/Cellular Data
3. Under Mobile/Cellular Data plans select your eSIM
4. Mobile/Cellular Data Network
5. In the Mobile/Cellular Data APN field, type data.esim
Android:
1. Go to Settings
2. Network & Internet section
3. Mobile Networks
4. Access Point Names
5. Type the new APN settings, data.esim
(Note: In both cases, you can leave the other fields blank)
Check your data plan: Make sure that you have sufficient data allowance on your plan. If you have exceeded your data allowance, your internet speed may be throttled or slowed.