Motorola C139 Antenna Replacement

Begin by flipping your phone over so that the back cover is facing up.

Apply force to the back cover and simultaneously slide the cover down.

Press the button labeled "PUSH" located at the bottom back of the phone. This will release the battery.

Lift and remove the battery.

Gently slide the SIM card out and lift to remove it from the phone.

Use a Torx T-5 screwdriver to remove the screws on the back of the phone.

Slide a pry tool underneath the adhesive rubber stip and peel it back away from the phone.

Repeat for the other side.

Insert the pry tool in the slit on the side of the phone and slide it down until you hear an audible click and the phone bottom loosens from the top.

Use the pry tool to release the two hooks on each side and the two hooks at the top holding the case together.

Using a Torx T-5 screwdriver remove the screws at the top of the phone.

Use plastic opening tools to free the circuit board from the case.

Then grip the circuit board and lift to remove the circuit board from the case.

Unhook the antenna by releasing the two hooks, one on each side of the phone.

Detach the antenna from the back of the circuit board

This small black rubber cover may detach.