Turn off Connectivity checks and captive-portal pings on GrapheneOS 2025 releases
Network checks
Sensitivity 2/5
Default: On
Phones / GrapheneOS 2025 releases / Connectivity checks and captive-portal pings
Android devices send lightweight HTTP queries upon joining an access point to verify whether an active internet connection exists. These transmissions reveal connection timing and the current public IP address to the platform servers.
- Goes to
- Default
- On
- Control
- Can be switched off
- Effort
- a few seconds
How to do it
Open Settings, go to Network & internet, and find captive portal or connectivity check settings to redirect or disable checks.
Usually found under: Settings > Network & internet > Internet > Network preferences
Menu names may differ by device and version.
What you lose
Captive portals on public Wi-Fi networks may not automatically pop up.
What is collected
Ip address, request timestamps, http response headers.
The checks exist to detect restricted local networks and launch captive-portal login pages when required.
Retention is not stated here. The sensitivity rating is this site's own estimate.