How to Find the Firmware and Baseband Version of Your iPhone

These are instructions on how to find the firmware and baseband version (modem firmware) your iPhone is currently running.

Step One
Press to launch Settings from your Springboard.


Step Two
Press to select General from the Settings Menu.


Step Three
Press to select About from the General Settings Menu.


Step Four
From the about screen you can find your firmware version under the Version label. 


Scroll down and you can find your baseband version under the Modem Firmware label.

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How to put an iphone into DFU mode

How to put an iphone into DFU mode:

DFU means Device Firmware Update. If a restore using Recovery Mode doesn't work you will want to use DFU Mode as a last resort. When placing your iPhone into DFU Mode it does not load the OS before attempting the restore

To put the iPhone into DFU mode so you can do an iTunes firmware restore follow these steps:

Step One
Open iTunes and connect the iPhone to your Mac.


Step Two
Press and hold the Home button and the Sleep/Wake button at the same time.


Step Three
After exactly 10 seconds release the Sleep/Wake button. Continue holding the home button until you iTunes pops up a message telling you that it has detected an iPhone in recovery mode.


The iPhone screen will remain black like this:


NOTE***: It may take a few attempts to get your iPhone into DFU mode. Generally, I hold down both buttons then release the Home button just before I think the Apple logo would appear. If you are still holding both buttons down and you see the Apple logo you are holding them down for too long!

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