And now all Apple adict they will tell you ,this is not true ,you must change battery aand another ********I have done a DFU clean install of 10.3.3 on my iPad mini 2 and the battery life is pathetic now, compared to 9.3
I have everything turned off (like background refresh, Bluetooth, etc) and just use iPad to read. But the entire iPad dies in less than 1 day with the same amount of reading, browsing that I used to do earlier on 9.3