A phone or tablet producing an unexpected result — wrong location, wrong contact, wrong output — usually traces to a permission, default-app or account setting, not a defect. For Android mobile hotspot, first confirm cellular works on the phone, disable VPN for one test and connect one nearby client.
What this covers
- Android mobile hotspot with this exact failure state
- Diagnosis across carrier/tethering plan versus cellular data, VPN, band and client compatibility
What it does not cover
Try in this order
0 of 4 completedCapture the exact failure state
ReversibleRecord exactly which permission, default app or account is active for the feature. Expected behavior: share an eligible cellular data connection over a supported secured Wi-Fi band.
Isolate the component boundary
ReversibleConfirm cellular works on the phone, disable VPN for one test and connect one nearby client. Test with a second account or a different default app assigned to the same action. Boundary to separate: carrier/tethering plan versus cellular data, VPN, band and client compatibility.
Correct only the proven cause
ReversibleCorrect the carrier setting, band compatibility or client network profile. Correct the permission, default-app assignment or account setting proven by the comparison.
Verify and stop safely
ReversibleRepeat the original action and confirm the correct result with the fix in place. Do not use open security or overheat the phone under prolonged tethering.
Evidence ledger
Sources behind this answer
Exact questions