The ap 3502i has been registered to the wireless controller, but now want to restore the factory settings, repeated after the upgrade or will appear before the registration information of the wireless controller, the problem how to solve
If the AP is joined to the wlc, you can reset the ap to factory default from the GUI or CLI. If you have the AP in front of you with a console cable, you can login to the AP using Cisco/Cisco unless you changed it when it was joined to the wlc. Type the following:
If you want to reset the access point to its default settings and a static IP address, use the write erase or erase /all nvram command. If you want to erase everything including the static IP address, in addition to the above commands, use the erase and erase boot static-ipaddr static-ipmask command.