Nexus 5 with android 5.1 has battery life issue I have Nexus 5 with android 5.1. The phone is fully discharged per day. Although I only make a few calls per day. How to fix it without downgrade to adnroid 5?
Go to Settings > Battery and see which app or service is the culprit. Touch on the app that is using an unusual amount of battery and you can FORCE STOP or REPORT it from there.