We apply heat to the back casing and with the help of a plastic plectrum let's take off all the edges of the casing.

We remove the Phillips screw (PH # 00) that holds the shield that protects the battery connector.

Remove the 15 Phillips screws (PH # 00) that hold the intermediate housing and with the help of a plastic prong we uncouple the housing.

We disconnect the flex from the battery, apply heat to the battery but not directly, we will apply heat to the area of ??the screen at the height of the battery, and with a tool sufficiently thin we will remove the battery that we are going to replace.