If the standard interface is locked or the router is bricked, use the following recovery method:
AOT-4221SR is a Dual Band Optical Network Terminal (ONT) manufactured by Sercomm Corporation and used as customer premise equipment for Airtel Xstream Fiber device.report Firmware Upgrade Process aot4221sr firmware upgrade
A failed upgrade can brick the module. Mitigate risks with the following preparation. If the standard interface is locked or the
Use this when the device is in production but accessible via CLI. aot4221sr firmware upgrade
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