An important point, I found the tutorial one in blog TUAW speaking as to make right the problem google maps and some others. As I am new in the process of iphone would like an aid personal it that he has good knowledge to be able to analyze and to give its commentaries if it is legal to make.

It follows link all to give a read:
Link follows another one tb speaking of the tutorial one above in modmyifone:

Some you doubt:

- I to become downgrade of bootloader I cannot have mine iphone 1.1.2 of I manufacture with everything functioning?
- I can execute anysim 1.1.2 in mine iphone 1.1.2 of I manufacture with jailbreak?