Hi im a newbei in this iphone thing
i bought this phone from ebay and it has firmware 1.0.2 and i was accidentally upgrade the firmware via itunes to 1.1.3 and i tried to downgrade it to 1.1.1 and i have successfull doing so + i dont see message "emergency call only" + i see all the application like installer, itunes and so on
the problem i have now im using tmobile and it keep saying incorrect sim , this iphone must be used with an approved sim?
what can i do? i tried ziphone software, so some other tools and i have no success too
can anyone help please