The 2,630mAh battery should be enough to make the phone survive a full day of usage, but probably not much more than that. Finally, the A37 runs Oppo’s ColorOS 3.0, based on the aging Android 5. ...

OPPO unveiled a brand new device yesterday, the OPPO A37. ... Inside this thin body, the company has included a 2630mAh battery, which considering the specs, should be just enough for a day.

Oppo A37 press images. The smartphone measures 143.1 x 71 x 7.7mm and weighs 136g with a 2,630mAh battery inside. The Android version is 5.1 Lollipop with Oppo's own ColorOS 3.0 on top.