there are a few ways with non rooted devices to get it to reset, my favorite is to do a full battery run in though. Kill your battery till it powers down, battery pull, re insert, leave off, charge completly while off, unplug from charger, remove battery for at least 30 seconds. re insert, power up and top off. you could also try to do a battery pull right after a full charge without a full run out but it might not yeild the same results.