Insert a finger into the gap as shown in picture and gently pull upwards to release the hooks of the Battery Cover.
Turn around and remove the Battery Cover.
Insert a finger and raise the bottom of the battery to release it.
Remove the battery.
Antenna BT WIFI & Antenna GPS & Antenna Main
Remove the three Screw M1.6*4.2 by using a screwdriver with Bits (T5)
Remove the Screw Lanyard M1.6*3.2 by using a screwdriver with Bits (T5)
Remove the Antenna BT WIFI by using a Flex Film Assembly Tool.
Remove the Antenna GPS by using a Flex Film Assembly Tool.
Remove the Antenna Main by using a Flex Film Assembly Tool.
Rear Cover: Remove the RF Rubber by using a Flex Film Assembly Tool.
Remove the Screw M1.6*4.2 by using a screwdriver with Bits (T5).
Remove the three Screw M1.6*2.8 by using a screwdriver with Bits (T5)
There are ten snap hooks securing the Rear Cover.
Insert a Guitar Pick as shown in picture and gently pull upwards to release the three hooks of this side.
Do the same to the top side.
See the next post for more