Using a screwdriver (hex T2), unscrew the 2 bolts on the end of the phone.
Using the key tool, open the SIM card slot and remove it.
Do not push too hard this may cause damage.
Disconnect the battery connector.
We strongly recommend disconnecting the connector to avoid a possible short circuit during disassembly.
Using a screwdriver (Phillips 1.5 mm cross-head), unscrew 3 bolts at the bottom of the phone.