I remember when I bought this i thought it was brazilian jiu jitsu. Its everything in jiu jitsu all together. truly a jiu jitsu bible but for me somewhat useless since im only intested in the jiu jitsu part. still very informational.
You can update, but then you'll have to re-jailbreak it.
First of all, do NOT update to 5.1 because there isn't an untethered jailbreak. You can jailbreak it, but every time it goes off and you turn it on again, you'll have to boot it via USB cable.
Click THIS to download 5.01. When you go to update, hold shift before you click on Update and you can select the downloaded file. Then, search for an iPod Touch 5.01 Untethered Jailbreak, I'm not sure I'm allowed to post the link to it on here.
It's not free anymore so screw it... Thanks anyways.
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