Ever since since the last 2 IO updates.? am on IO10 V 10.3.2.2836 on a Blackberry Z10 the last 2 IO 10 updates on my Blackberry Z10, the battery has to be charged at least 2 to 3 times a day as it drains out completely. Also have had to delete a lot of apps as kept asking me to do so due to limited memory available,
But the Battery is a killer.