Android troubleshooting

Android VPN Keeps Disconnecting

Fix Android VPN disconnects caused by battery optimization, Wi-Fi/mobile switching, private DNS conflicts, app permissions, and unstable free proxy nodes.

Updated: 2026-05-11

Open Android VPN guide

Direct Answer

Android VPN disconnects often come from battery optimization, network switching, private DNS conflicts, or unstable free nodes. Test each cause separately.

Check battery rules

Some Android builds aggressively stop VPN and proxy clients in the background.

Test network changes

Switching Wi-Fi and mobile data can break tunnels or change DNS behavior.

Compare nodes and VPN apps

Free proxy nodes can look like app problems when the route is actually unstable.

Steps

Disable aggressive battery optimization for the client.
Test Wi-Fi and mobile data separately.
Temporarily disable conflicting private DNS.
Try a stable VPN trial route for comparison.

Checklist

VPN permission remains enabled.
Battery settings allow background operation.
Private DNS does not conflict.
Route remains stable after screen lock.

Troubleshooting

Disconnects after screen lock

Relax battery optimization and background restrictions.

Disconnects only on mobile data

Test another protocol and check carrier/private DNS behavior.

Only free nodes disconnect

Compare with a VPN trial or fresher subscription.

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FAQ

Can battery optimization stop a VPN?

Yes. Many Android devices restrict background network apps.

Can private DNS cause disconnects?

It can cause DNS failures or inconsistent behavior, especially with proxy clients.

Should I blame the app or the node?

Test another route first. Free nodes often fail independently of the app.