iPadOS 15.5 on 11 m1 iPad Pro ? I am still using 14.7.1 on m1 iPad Pro 11 , is it a good choice to update to 15.5 since I want to restore the iPad Pro and let my son use it , he use it usually for web browsing , some online lesson , I am afraid it’s will slow down my device and the battery and all performance , please give me some useful advice and opinion all of you ,thanks a lot !!!