Answer to "Why won't my iPhone 3GS turn on?"Hey, 1st Maybe try downloading f0recast-v1.3 it displays all the current info about your iPhone but it waits for your phone to connect. if it does not then it may be a dead phone. 2nd option Change the battery. but purchase a legit OEM battery they are more expensive but well worth it. 3rd option Try looking at the bottom connector if any dirt is trapped then clean. or replace the dock connector , not expensive. 4th option Try the reset 10 seconds power down with holding the home button. keep doing it till something happens might not work though.. but may be that your battery just gave out. so needs replacing
Answer to "My display screen is white after changing my battery"Hi. Just added a OEM Battery to my iPhone 3GS 16GB, I refurb iPhones as a hobby. This model has indeed been tiersome. I Bought a £4 battery off ebay, which was yellow, (a fake to be honest) I think!... Then when i was turning it on/off it would crackle and not hold the power long from the dock. (about 3minutes) So... I bought a new OEM dock. (£8) and a OEM white Battery (£7) and now i have re assembled the iPhone, and plugged it into the (Mains) not by USB to PC but by Wall socket. Left for around 40minutes. came back turned on. and it shows a white screen. Tried the Home and Power 10 second rule. but it does not turn off it just shows white. So im simply leaving on charge till i get a response. If it fixes with extra time charging then i shall post. Ill try re attaching the screen, but not always sure its the problem. the connector 3 on the lcd replacement maybe loose as when fitting the screen it can pop up without you knowing and when secured down the screen it may be this.. but usually the screen wont...