DEV Team has released a jailbreak and unlock process for iPhone 3G, iPhone 3GS (old bootrom), iPhone 3GS (new bootrom) and iPhone 4 with 4.2.1 firmware. In this article, I will guide you on how to jailbreak and unlock your iPhone 3GS (old bootrom) on 4.2.1 firmware with a custom firmware file.
The DEV Team has finally released software that allows iPhone users to jailbreak and unlock 4.2.1 firmware based iPhones in a few simple steps. This new unlocking mechanism has been termed Ultra-Recycle. Read this tutorial to jailbreak and unlock your 4.2.1 firmware based iPhone 3G, 3GS or iPhone 4.
Today, wireless devices have become so economical that anyone can setup a wireless network within minutes. Increased use of wireless networks also means that you can be a victim of an intruder lurking around your network. This article covers some of the ways to encrypt wireless internet connection.