We will start by removing the SIM and microSD cards as otherwise the trays would prevent us from removing the case later.

Inserting the tool to open trays in the hole of this, pressing lightly, we will eject it and we can remove them.

To be able to remove the casing, we will have to take out the trims since after them we will find several screws that fasten it to the chassis.

We will detach them applying heat and using a flat opening tool. We recommend that the tool be plastic to avoid scratches.

To remove the casing, we will have to remove the six screws that we found behind the trims. Then, with the help of a tool, we will unhook the housing from the notches that hold it.

To remove the battery, first disconnect it from the motherboard. Then, we will pull the two side tabs and in this way we will remove the adhesive that holds it to the chassis.