How to Downgrade iPhone Firmware From 4.0?

Answer While the iPhone 4 cannot be downgraded from the iOS 4.0 software, the iPhone 3GS and iPhone 3G can be restored to a previous firmware version through the iTunes program. Online firmware downloads ... Read More »

Top Q&A For: How to Downgrade iPhone Firmware From 4.0

How do you downgrade iPhone 3G firmware?

No, sorry. The iPhone uses a SIM card... virgin mobile does not. I wanted to do this as well but it just isn't possible. What you could do is find out how to make your iphone prepaid through anothe... Read More »

How to Downgrade the PSP Firmware?

The PlayStation Portable is a versatile gaming system capable of doing much more than simply playing the UMDs, or the official hard disk media made by Sony, created for it. For example, the PSP has... Read More »

How to Downgrade Firmware V12 for a Nokia N95?

The Nokia N95 is a wireless phone that uses an operating system to run all the different applications, Internet connection and programs. This operating system is often referred to as the firmware. ... Read More »

How to Downgrade Psp 3000 Official Firmware 6.20 to 5.03 Gen C (Full)?

PSP 3000 version 6.20 Downgrade to 5.03 GEN-C (Full).Here Are The Steps.