Guided check
0/4 checkedMatch the symptom, then work through the safe checks.
1. What best matches what you observe?
2. Complete only the checks that are safe for you.
4 user-level checks are available in this guide.Stop immediately if any warning condition applies.
Show stop conditions
- Emergency communication is required
- The SIM account is suspended or identity verification is requested
Likely causes
- The carrier has an outage, account restriction, or exhausted allowance
- Mobile data is disabled for the active SIM or app
- APN, roaming, or network-mode settings are wrong
- The phone is registered for calls but not a working data session
Quick checks, in order
Turn Wi-Fi off and test one normal website
Confirm the failure is truly mobile data.
Check mobile data, active SIM, roaming, and data limit
Dual-SIM phones may use a different line for data.
Toggle airplane mode and restart once
Allow the phone to re-register.
Contact the carrier before changing APN manually
Use only carrier-provided APN values.
What services still work?
Calls and SMS work
Coverage exists, but the data plan, APN, provisioning, or outage may affect data only.
Emergency calls only
The phone is not normally registered on the carrier network.
Data works in another location
A local cell, congestion, or coverage issue is likely.
Stop and get qualified help when
Do not continue troubleshooting if any of these apply:
- Emergency communication is required
- The SIM account is suspended or identity verification is requested
Frequently asked questions
Why do full bars not guarantee internet?
Bars indicate radio signal strength, not account authorization or a working data path.
Should I copy an APN from a random website?
No. Use values supplied by the carrier for the exact plan and region.
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