Tesco Mobile Mobile Data Not Working on Samsung Galaxy
What this means: Tesco Mobile Mobile Data Not Working on Samsung Galaxy means this feature is not working correctly. Follow the steps below to diagnose and fix the issue on your Samsung Galaxy with Tesco Mobile.
- Confirm mobile data toggle is on
- Check APN settings are correct
- Toggle Airplane Mode to reset connection
- Restart device to clear network state
ℹ️ About Tesco Mobile — Mobile Data Not Working
Tesco Mobile operates on the O2 MVNO. Tesco Mobile runs on O2's network. One of the UK's most affordable networks for data.
Known Samsung Galaxy considerations: APN is "prepaydata" — older plans may use "payandgointernetO2". Check your plan in the Tesco Mobile app.
- Support number: 0345 301 4455 (from your Tesco Mobile SIM)
- Support page: https://www.tescomobile.com/help
- Network status: Check Tesco Mobile network status
Fix Tesco Mobile Mobile Data on Samsung Galaxy
Enable Mobile Data
Go to Settings → Connections → Mobile networks and confirm Mobile Data is on.
Toggle Airplane mode
Enable Airplane mode for 30 seconds then off — forces network re-registration.
Check APN
Go to Settings → Connections → Mobile networks → Access Point Names. Confirm APN is set to prepay.tesco-mobile.co.uk.
Restart device
Power off fully, wait 10 seconds, power on. Clears radio firmware errors.
Reinsert SIM
Remove, clean contacts, reinsert firmly — then power on.
Check network mode
Go to Settings → Connections → Mobile networks → Network mode — set to 4G/LTE preferred or 5G/4G Auto.
Reset network settings
Go to Settings → General management → Reset → Reset network settings. Re-enter APN after reset.
Contact Tesco Mobile
Call Tesco Mobile on 4464 to check data provisioning on the SIM.
⚡ Tesco Mobile APN Settings Reference
| Setting | Value |
|---|---|
| APN | prepay.tesco-mobile.co.uk |
| Username | user |
| Password | pass |
| MMSC | http://mmsc.mediamessaging.co.uk:8002 |
| Tesco Mobile Support | 4464 |
Frequently Asked Questions
What is the best way to fix Mobile Data Not Working on Samsung Galaxy?
Start by toggling Airplane mode, then restarting the device. If that doesn't work, check the APN at Settings → Connections → Mobile networks → Access Point Names — confirm it is set to prepay.tesco-mobile.co.uk. If still failing, reset network settings and contact Tesco Mobile on 4464.
Do I need to contact Tesco Mobile to fix this?
Most Mobile Data Not Working issues on Samsung Galaxy can be resolved by following the steps above without contacting Tesco Mobile. If the problem persists after all steps, call Tesco Mobile on 4464 — they can check for account-level or network-side issues.
Will a network reset help with Tesco Mobile on Samsung Galaxy?
Yes — a network reset at Settings → General management → Reset → Reset network settings clears corrupted APN settings and network configurations. Remember to note your Wi-Fi passwords first as they will be cleared. Re-enter the Tesco Mobile APN (value: prepay.tesco-mobile.co.uk) after the reset.
📞 When to Call Tesco Mobile
If all steps above have not resolved the issue, call Tesco Mobile on 4464 (free from Tesco Mobile). Ask them to check data provisioning, account status, and any local network events.