Custom Firmware With Baseband 6.15 [DIRECT]

Consequences of installing 06.15 on an iPhone 3G:

The Baseband is responsible for all cellular communications: connecting to cell towers, handling signal strength, and managing the SIM card. It is a highly secured, "black box" environment. Carriers (AT&T, Verizon, T-Mobile, etc.) lock phones by instructing the Baseband to reject SIM cards from other carriers. Custom Firmware With Baseband 6.15

The user had to download the specific iOS firmware (IPSW) file they wanted to install (e.g., iOS 4.2.1 or 5.0.1). They also needed the iPad 3.2.2 IPSW file to extract the Baseband files. Consequences of installing 06