Earlier operating systems consume significantly less background power.
If you used Method 1, performing a full factory reset from the native settings application completely cleans up legacy cache items left behind by the iOS 9 jailbreak components. ipod touch 5 downgrade
Once complete, navigate to > General > Reset > Erase All Content and Settings to prevent system file conflicts. Method 2: Tethered Downgrade to iOS 6.1.3 (Advanced Users) ipod touch 5 downgrade
Since iOS 6.1.3 is not signed for the iPod touch 5, this method allows you to run iOS 6 alongside your main OS. ipod touch 5 downgrade