Learn how to insert and remove the battery on the Nokia Lumia 635.
- Turn your phone off.
- On the corner of the phone, put the tip of your index finger in the seam between the screen frame and the back cover. Press the middle of the back cover, bend the cover open, and remove it. Do not use any sharp tools, as they may damage the screen.
- Line up the battery contacts, and put the battery in.
- Press the bottom edge of the back cover against the bottom edge of your phone, and snap the cover into place. Don't press the keys while attaching the cover.
- Turn your phone on.