We start by extracting the sim tray then with a fine tool we enter between the screen and the back cover and we gradually separate it all around its contour once separated we will find the fingerprint reader that prevents us from separating both parts for them with a fine tool we take off the fingerprint reader inside the back cover and we can separate both parts

With the help of a Phillips-type screwdriver (PH # 00) we extract the six screws that hold the intermediate casing, we remove it using a fine tool and proceed to disconnect the battery

With a battery removal tool we lift the battery from its housing little by little until it is completely detached from its base and can be removed