How to Find the Hardware Version on Your TP-Link Device
EAP660 HD(US)_V1_1.6.7 Build 20260506
Minimum FW Version for Update: 1.6.1 Build 20260303 Rel. 12689. This firmware upgrade is irreversible. Contact support if issues are encountered after the firmware upgrade.

Release Note
Version Info:
1.Minimum FW Version for Update: 1.6.1 Build 20260303 Rel. 12689.
2.This firmware upgrade is irreversible. Contact support if issues are encountered after the firmware upgrade.
3.Recommended Omada Controller version 6.1 or above.
4.For downloading of any firmware version, please refer to Omada Download Center.
Enhancements:
1.Encrypted the firmware and optimized the algorithm to enhance the overall security of the firmware.
Notes:
1.This version of firmware is applied to the Omada APP v5.1 or above.
Historical Version
Minimum FW Version for Update: 1.3.2 Build 20240828 Rel. 82109. This firmware upgrade is irreversible. Contact Omada technical support if downgrade is required.
Minimum FW Version for Update: 1.3.2 Build 20240828 Rel. 82109, for downloading of any firmware version, please refer to Omada Download Center.