my mum is thinking of buying an iphone and its probably going to be 1.1.3 otb..
since im going to hacktivate/unlock...
can i do this
restore to 1.1.1
activate and jailbreak via *#307# jailbreakme.com
install bsd subsystem--term vt-100--bootloaderDowngrade
then open up the phone and do the unlock
restore to 1.1.2 then to 1.1.1 activate etc. oktoprep
update to 1.1.2 via itunes
run anysim 1.2.1u