Smartphone mobile data not working
4.5
No internet access when WiFi is turned off, despite having signal.
Symptoms
- No 4G/5G icon
- Offline in browser
- Data toggle does nothing
Possible Causes
- Data limit reached
- Incorrect APN
- Carrier restriction
Step-by-Step Fix
1
Check Data Usage
Ensure you haven't hit your monthly data cap.
2
Reset APN to Default
Use the "Reset to default" option in APN settings.
3
Check SIM Status
Ensure the SIM is active for data in SIM Manager.
When to See a Technician
Mobile data issues are almost always APN or account-related if signal bars are present.
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