3gs *error 21* help
my iphone 3gs is stuck in DFU mode.. the screen is black and turns white when i plug it into the computer. i tried to jailbreak it and still get errror 21. i took it to the apple store and they told me to buy a new one.. HELP PLEASE... what should i do?
Text me if You trying to sell it 973-954-0656
Brand Spanking Noob
i had the same before. its some fuse or something on the motherboard. you have to take it to a cell phone repair store and they have to solder a new one in.