| Test | Expected Result | |------|----------------| | Check firmware version | Shows 2.1.4 | | Verify relay outputs | Toggle each relay manually | | Ping test | ping 192.168.1.100 → 0% loss | | Log integrity | Previous logs retained (no factory reset) | | SNMP walk | Returns correct OID values |
DNS issue appears after 8-12 hours of AOT-4221SR router runtime aot-4221sr firmware update
For the (Airtel Xstream Fiber ONT), firmware updates are typically managed automatically by Airtel through a TR-069 interface. There is no official "developer guide" or publicly available firmware file for manual flashing, as the device is provider-locked. | Test | Expected Result | |------|----------------| |
If you experience critical issues within 24 hours of updating: aot-4221sr firmware update