Cisco aironet 1131AG hard reset

Linking PC with Cisco console cable (Rollover)
Copy run to startup config, hostname = Aironet (user defined)
Interface: DC power, Ethernet 10/100., Cisco Console, Mode button.
Press down(keep) the Mode button.
Cut off the DC power plug for 1 second and put it back.
The status LED of right side should be blinking 3 times with GREEN, After that the status LED turn to AMBER, please release the MODE button.
Waiting for reboot, about 15 seconds+-.
Done!
hostname = ap (default)