In past, we have posted few softwares Redsnow and Ultrasnow which can help you jailbreak iPhone 3.1.3 firmware.  A new version of Sn0wbreeze V1.5.1 has been released which focuses on few minor bug fixes and updates including a Youtube fix which was creating problem for users in the previouse version of Snowbreeze.

A new version of Snowbreeze V1.5 has been released to jailbreak iPhone 3.1.3 firmware. Snowbreeze V1.5 is compatible with Windows and does the same job as Pwnage tool 3.1.5 posted earlier.

Snowbreeze V1.5 can be used to jailbreak:

iPhone 3GS
iPhone 3G
iPhone 2G
iPod Touch 2G (old bootrom, non-MC)
iPod 1G

Download Snowbreeze V1.5
Via – TechCityInc

We have already covered softwares like Redsnow 0.9.4, Snowbreeze and ultrasnow which can help you jailbreak and unlock iPhone 3.1.3 firmware. But iPhone dev team have released there most popular software, Pwange tool 3.1.5, which can help you unlock iPhone 3G and 3GS 3.1.3 firmware.
Pwnage Tool 3.1.5 can help you create custom ipsw files which [...]