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
A corrupt hosts file, such as one with improper formatting ( IPADDRESS HOSTNAME is required), will fail. host fail android skachat
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? Sometimes the error is not in the file
Simple but effective, this forces Android to reload the hosts file. Check Root Access: Ensure AdAway has superuser rights. To get the most relevant advice for your
Enable "systemless hosts" in Magisk Manager, then try applying hosts in AdAway again.
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.