Hi there,
Similar issue with my iPhone. Dropped it a few days ago from my pocket, with its hard cover on. I don't drop it often; this may be the 6th time it's been dropped over 1.5 years. I got the white screen, tried the dual button restart several times, and was not able to get rid of it. However, I also got a light blue screen with lines initially, which has disappeared since (white only now).
Got home and did a reset/"reformat." The phone responds to iTunes and I can hear new voicemails and emails. But when I call the phone, it doesn't ring and you can't hear me talking on the other line (even though apparently answering works).
Opened up the phone and Cable 1 was disconnected, but I reconnected it and no dice. Took it to the Genius Bar (I'm out of warranty) and they weren't able to fix it. The guy said it was definitely a display issue but didn't really go into more detail; I pressed for more info but just got a generic answer (which I probably didn't understand completely anyway).
I do have another iPhone I can take spare parts from. Does it seem like just an LCD problem or more in depth? Do you think there are any other parts that are potentially broken? I will probably try to replace the LCD myself in the next couple days and update.
Any help is GREATLY appreciated. Thanks so much for a great thread so far....really helpful.
well it sounds like you have more issues than just your lcd. the ringing issue and answering issue would most likely be a problem with the motherboard. if your spare phone is the same as the phone you just broke (3g-3g or 3gs-3gs) then yes you can switch parts. you CANNOT mix the parts (3g-3gs) but it may be easier to just use your older phone. if in fact you did damage the motherboard then there is nothing you can do to fix it. if you are eligible for an upgrade that would be the smart move. you may try to backup your phone and then restore it. sometimes that works.