u cant
No.
If by "fix the iPhone 4" you mean fix the problem with the antenna and people putting their gig
Send it to Apple Company and they will replace it (unless if it has been jailbroken)
The following 4 ways can help you to repair your iPhone Stuck on Black Screen: 1.Fix iPhone Black Screen Problem with TunesKit iOS System Recovery Step 1, Connect iPhone to the computer Step 2, Download frimware package Step 3, Fix your iPhone 2,Fix iPhone Black Screen Problem by Hard Reboot 3,Restore iPhone to Factory Setting to Fix iPhone Black Screen 4,Seek for Apple Genius Bar to Fix iPhone Black Screen
no
no
Yea there couple of options you have to fix your iPHone, you can buy the part and do it yourself, or you can have a tech repair you iPhone very quickly check out this site you can buy parts or have someone fix your cracked screen for you www.iPhoneiRepair.com
To fix an iPhone 4 with no sound, simply reset the phone, reboot, or jail break it if all fails, because the problem is software-based.
Fix? What do you mean? If you want to restore your deleted or lost iPhone without iTunes backup, you may need to get a third party tool to help you recover your iPhone data. You can try Tenorshare iPhone Data Recovery which will directly recover data from iPhone.
Yes. The pin bypass fix will appear on this month's release of the iOS 4.2 new IPhone. There was a bug with the alrm that is also fixed. Expect the ability to multitask as well.
You can't but if you break you iPhone screen like I did, when you go to repair it they don't fix the screen they replace your iPhone and it will be jailbroken.
take it in to your local shop depends on what is wrong with it :)
go to a phone repair shop dahh...