Recently launched Nexus 4 non removable battery can be easily removed by loosening some screws According to user over at reddit who managed to get assist on Nexus 4 battery from Anandtech’s @nerdtalker on Twitter. In real words:
So I was talking to Anandtech’s @nerdtalker on Twitter and asked him how hard the Nexus 4 back cover and battery were to remove. Here is his response.
So guys now you can swap out a new battery without completely tear apartment your device. Have a look at images which are obtained from above talk. Head over here to know more about Nexus 4.