If you want to check firmware version of iPhone or iPod Touch and want to know whether you can jailbreak it with the latest tools available, all you need is iH8sn0w's F0recast tool. F0recast is a handy tool for your iDevice through which you can check serial, baseband, bootloader, model and firmware version of your device with ease.
There are two ways to check the firmware version of your device:
- Download and install F0recast. (Find download links at the end of post)
- Just plug your iPhone to your computer with USB cable and launch f0recast.exe to view the firmware version of your iPhone.
Note that your iPhone model along with the firmware version is visible at the bottom of F0recast window. In the above screenshot, its iPhone 3G running iOS 4.1 final version.
- Navigate to Settings->General->About and see for value infront of Version as shown in the screenshot below.
As you can see in the above screenshot, this device is running iOS 4.1 with 05.11.07 baseband version.