2 
5 iPhone 3GS Only power when plugged in(rebooting apple logo)? No restor
Iphone 3gs suffered a little water damage near the headphone jack
Now it wont restore ive tryed everything, the motherboard only powers when its plugged into computer or wall charger to a reboot apple logo.
Ive also swapped the motherboard into a perfect working phone. Still does the same thing? Ive thoroughly cleaned the motherboard with 90% alcohol. Reflow the power IC also the Baseband chip. Still doesnt the same thing doesnt restore and also keeps reboots with a apple logo only when supplied with power. But on its own with the power it wont turn on with battery power.
At one point, when plugged into the wall. I seen the emergency calls thingy come up. There was No IMEI or NO ICCID also it said iPhone in the upper left hand corner.
Seems like a definite hardware failure. Any ideas which IC to change?
thanks alot for ur help
just for my own knowledge, have you changed the battery?
由 oldturkey03 完成的
Reflowing in the oven? Or taken off and new applied?
由 pollytintop 完成的
Why would you try to reflow? What other solution have you attempted prior to that?
由 oldturkey03 完成的
Update!!! Now I got into the operating system
Baseband is totally gone from setting, and NO Wifi & bluetooth No IMEI
I know i have to swap an IC but im not sure which one to change.
I reflow the baseband chip for like 30secs
由 Joe 完成的