I tried copy the upgrade image to DRAM with XMODEM and then copied the four files that was extracted from this file into flash and then rebooted the AP. Then the upgrade process started and the AP come up as an IOS AP1200.
I did not copy any installation key to the AP, are that file needed in IOS mode?
All the entries that you see in the DRAM or config should be copied to flash, the Installation key or VAR key should always be copied, loosing the installtion key will lead damaging the device completely.
Also every key is unique, key for one device will not work on another.
Transferring Crash file from standby: Login to the Active WLC in HA.
From CLI: (Cisco Controller) >transfer upload datatype crash (Cisco
Controller) >transfer upload filename (Cisco
Controller) >transfer upload mode tftp (Cisco Controller) >transfer
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