About 3 weeks ago I went to one of those "Dr Smartphone" shops in a strip mall to replace the failing battery on my launch-day iPhone 6 (no apple care). Cost me $50 and I was in and out in less than 30 minutes. Battery works fine and now I can get through lunch without running out of juice. But now I no longer see how apps are consuming power under BATTERY USAGE. I initially figured that because it was a new battery, it would take a while to learn my usage pattern. But 3 weeks later, I'm inclined to believe that this new, non-OEM battery isn't compatible with that feature? Anyone else run across this? I've done a hard reboot. Not ready to do a restore yet.