Tesco Mobile 5G Not Working on Xiaomi
What this means: Tesco Mobile 5G Not Working on Xiaomi means this feature is not working correctly. Follow the steps below to diagnose and fix the issue on your Xiaomi with Tesco Mobile.
- Confirm your plan includes 5G data
- Check 5G is enabled in network mode settings
- Verify your location has 5G coverage
- Try switching network mode to 4G/LTE temporarily
ℹ️ About Tesco Mobile — 5G 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 Xiaomi 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 5G on Xiaomi
Check device settings
Go to Settings → SIM cards & mobile networks and verify all settings are correct.
Toggle Airplane mode
Enable Airplane mode for 30 seconds then disable — resets network connection.
Restart device
Power off completely, wait 10 seconds, power back on.
Reinsert SIM
Remove and reinsert the SIM card to refresh network registration.
Check APN settings
Go to Settings → SIM cards & mobile networks → [SIM] → Access Point Names and confirm APN is set to prepay.tesco-mobile.co.uk.
Reset network settings
Go to Settings → Connection & sharing → Reset Wi-Fi, mobile & Bluetooth to clear corrupt network configuration.
Update software
Go to Settings → About phone → MIUI version → Check for updates and install any pending updates.
Contact Tesco Mobile
Call Tesco Mobile on 4464 if issue persists after all steps above.
⚡ 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 5G Not Working on Xiaomi?
Start by toggling Airplane mode, then restarting the device. If that doesn't work, check the APN at Settings → SIM cards & mobile networks → [SIM] → 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 5G Not Working issues on Xiaomi 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 Xiaomi?
Yes — a network reset at Settings → Connection & sharing → Reset Wi-Fi, mobile & Bluetooth 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.