Aot-4221sr Firmware Upgrade Jun 2026

Double-check that the file name matches your hardware version. Click or Apply . Wait for Completion

Sometimes, an introduces features that were not present at launch. This could include support for new sensor types, additional Modbus commands, or a more intuitive web dashboard. aot-4221sr firmware upgrade

To prevent bricking your ONT, complete these safety steps before initiating the update: Double-check that the file name matches your hardware