Battery compatibility and keeping 3.1.3 OS on older device.

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iPod Touch

The current line of iPod touch comprises seven (7) different generations.

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Julie @julie13847

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Posted: Jan 14, 2011

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Battery compatibility and keeping 3.1.3 OS on older device.

I actually have 2 questions. First, according to ifixit, both the 2nd and 3rd gen Touches can take the same battery. I have the 32GB versions of both devices. Can I put the same VPN battery in both devices? Should they have different VPN batteries?

Second, the OS on the 2nd gen, right now, is 3.1.3. I'd like to keep it that way after I repair the device. Is it possible to restore it to new and still keep 3.1.3? I know some folks have given directions for this, but if someone can answer here, that would be great. :) Thanks in advance!

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oldturkey03 @oldturkey03

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Posted: Jan 14, 2011

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Julie, I believe that you are right. I remember having read that the batteries do fit but there is a minor difference in size and capacity. So, could you use the same battery. In my opinion, yes.

iPod touch (3rd Gen) Battery and iPod touch (2nd Gen) Battery gives you the numbers for the batteries.

As for keeping your OS when you do a restore with iPod. Find your *.ipsw for your ipod on your computer and write it down :) I believe it is in C:\Documents and Settings\<Username>\Application Data\Apple or try C:\Documents and Settings\<USER NAME>\Application Data\Apple Computer\iTunes\iPod Software Updates and on a mac Library>iTunes>iPod Software update I think :)

1. Download appropriate iPhone firmware from this page if you do not find your 3.1.3 http://www.felixbruns.de/iPod/firmware/

2. Open iTunes.

3. Connect iPod to computer using USB cable.

4. In iPod summary tab, hold down your shift button on keyboard and click Restore button.

5. A window will appear to browse the iPod software file (*.ipsw file). Select the iPod Firmware/Software/OS that you have downloaded in step number one.

Please wait until the restoring process is complete.Once it has finished the restore process you should get a message saying "Your iPod has been restored to factory settings, and is restarting. Please leave your iPod connected. It will appear in the iTunes windows after it restarts. And that should be all, Hope this helps and good luck.