I can then provide specific commands or settings adjustments.
To get the most relevant advice for your "host fail" scenario, let me know: Are you (using Magisk/AdAway)? What is the exact error message you are seeing? Did this happen after a system update or installing an app? host fail android skachat
The hosts file is in a read-only partition ( /system/etc ). If AdAway or similar apps cannot gain proper root access to remount this partition as read-write, the file cannot be updated. I can then provide specific commands or settings adjustments
Enable "systemless hosts" in Magisk Manager, then try applying hosts in AdAway again. Did this happen after a system update or installing an app
The application may be attempting to reach a host that contains a path (e.g., google.com/api instead of just google.com ). This fails in OkHttp. 4. Safety Considerations
Using a root file manager, ensure the file /system/etc/hosts has permissions 644 . 3. "Unable to resolve host" - Network Scenarios
Sometimes the error is not in the file but in the network; if your device loses connection during DNS resolution or hits a captive portal, you may see UnknownHostException . 2. Troubleshooting and Fixing Host Fails