iPhone after changed mac address (nvram wifiaddr=..) ,imessage not working. PLEASE HELP

[engint]

after changed mac address , imessage not working , i came back original mac address, but still not working

i used Mobile Terminal , this command: nvram wifiaddr= xx.xx.xx.xx.xx.xx

please, how can i fix ?

 

[Applejuiced]

Restore it.

 

[engint]

Restore it.

it does not work

 

[eelw]

Restore the phone, not restore MAC address change