Hi folks I have a iPhone 3GS at 4.2.1 and want to upgrade it to 4.3.x for testing. I have read some articles about it but it seems that those are too old and cannot work. Does anyone have some experience in doing this or does apple provide tutorials for developers in this? A lot of thanks.
Cisco Certified Network Associate Exam,640-802 CCNA All Answers ~100/100. Daily update