Can u update an iPod 4
Can I give an iPod 4 a software update and if so how ?
iPod touch, iOS 3.0
Can I give an iPod 4 a software update and if so how ?
iPod touch, iOS 3.0
The 4th generation iPod Touch cannot be updated beyond iOS 6.1.6
If it is running a version earlier than that, see: Update your iPhone, iPad, or iPod touch - Apple Support
Can u update an iPod 4