Tesco Mobile Voicemail Not Working on OPPO
What this means: Tesco Mobile Voicemail Not Working on OPPO means this feature is not working correctly. Follow the steps below to diagnose and fix the issue on your OPPO with Tesco Mobile.
- Call your voicemail number directly to check it is set up
- Confirm voicemail number is stored correctly
- Check if call forwarding is incorrectly redirecting calls
- Reset voicemail via carrier settings or customer service
ℹ️ About Tesco Mobile — Voicemail 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 OPPO 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 Voicemail on OPPO
Check device settings
Go to Settings → SIM card & mobile data 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 card & mobile data → [SIM] → Access Point Names and confirm APN is set to prepay.tesco-mobile.co.uk.
Reset network settings
Go to Settings → Additional settings → Back up and reset → Reset network settings to clear corrupt network configuration.
Update software
Go to Settings → About device → Software 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 Voicemail Not Working on OPPO?
Start by toggling Airplane mode, then restarting the device. If that doesn't work, check the APN at Settings → SIM card & mobile data → [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 Voicemail Not Working issues on OPPO 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 OPPO?
Yes — a network reset at Settings → Additional settings → Back up and 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.