How to replace the battery?

Here is a disassembly video:

https://www.youtube.com/watch?v=AdtyVBV4...

While it is not specifically for removing the battery, he shows how to remove it while tearing down the phone. He removes it as soon as possible, so all the steps prior should be necessary. Hope this helps.

Hello, you can prepare.Hello, you can prepare the battery alcohol film.Heat the rear lid evenly using a hair dryer or an electrically heated hair dryerAfter the heating is completed, you can pry it open with a small amount of alcohol if you can't pry it open with a seesawPry open the back cover to protect the camera, and use anti-static tape to stick the camera to prevent static dust or static damage to the camera.Find the battery cable baffle and unscrew the screw or buckle it directly. Remember not to use metal here, only use plastic pieces to pry open the battery panel cable.The battery can be pulled out by the battery pulling belt, and after the battery is pulled out, the zinc battery is fixed and the battery panel is buckledAfter the battery is buckled, you can use the mobile phone repair glue. If the waterproof rubber ring of the mobile phone is not damaged, you can reinstall the back shell of the mobile phone in time.At this point, you're 90 percentAfter the back shell of the mobile phone is reinstalled, the back shell of the mobile phone can be evenly pressed by using a rubber band or a deposit, so that the mobile phone and the back shell are firmly pasted.