I miss downgade the IR829 Embedded AP803 from Autonomous Mode into Lightweight Mode(ap1g3-k9w7-tar.153-3.JK4.tar→ap1g3-k9w8-tar.153-3.JK.tar)
How to upgade it back from Lightweight Mode into Autonomous Mode ?
(Right now we can't into the rommon mode , only can get into the U boot mode)
Try as per this post: https://community.cisco.com/t5/wireless/how-do-cisco-8-series-aps-upgrade-firmware-under-uboot-ap1852/td-p/3767512
If still fails then contact Cisco TAC.
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