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English technical companion · checked 2026-08-08

Android Always On VPN Blocks Internet When VPN Disconnected

English SolQvia technical guide to Android Always On VPN Blocks Internet When VPN Disconnected, with evidence boundaries, diagnostic order, structured device or carrier data, and official source links.

Updated: 2026-08-08Evidence: SolQvia structured records + primary-source links from the Japanese companion
On this page
  1. Summary / device record
  2. Diagnostic order
  3. Official sources

English technical guide: Android Always On VPN Blocks Internet When VPN Disconnected

This page is the English companion to the corresponding SolQvia Japan guide. It preserves the diagnostic boundary used by the Japanese article: distinguish device settings, carrier/account conditions, radio compatibility and service provisioning instead of treating them as one problem.

Recommended diagnostic order

  1. Record the current network state before changing settings.
  2. Test once with VPN/Private Relay/custom DNS disabled to isolate the network layer.
  3. Check whether the issue occurs on Wi-Fi, cellular, or both.
  4. Review per-app exclusions, carrier apps and tethering restrictions separately.
  5. Restore one setting at a time so the cause remains identifiable.

Important boundary

Do not treat a single successful check as proof of full compatibility. SIM recognition, mobile data, voice, SMS, eSIM provisioning, APN and 5G can succeed or fail independently. Preserve a known-good state before factory reset, eSIM deletion or account removal.

Related English guides

Primary and official sources

Carrier procedures and product specifications can change. Re-check the current official page immediately before a SIM/eSIM migration, MNP request, purchase or imported-device use.