If your Mars or Mars Pro needs replace C version motherboard, please follow the steps below:
Tools you need: Motherboard of Mars or Mars Pro, 2mm Hex Wrench, Marker Pen
Part One： Disassemble
Step 1: Unscrew the screws that lock the front shell with the 2mm Hex Wrench
Step 2: Gently unplug the cable that connects the motherboard and the touch screen
Step 3: Unscrew the screws that lock the back shell then remove the shell
Step 4: Mark the ports with numbers as shown in the video
Step 5: Unplug the ports, unscrew the screws, and take off the old motherboard
Step 6: Gently unplug the cable that connects the motherboard and the touch screen
Part Two: Reassemble
Step 1: Reconnect the touch screen cable to the motherboard
Step 2: Connect the cable back on to the new board then lock the screws
Step 3: Reconnect the LCD cable to the board then apply the black tape to fix the cable
Step 4: Put the back shell back on and lock the screws
Step 5: Reconnect the touch screen cable
Step 6: Put the front shell back on and lock the screws
Instructional Video
