Wednesday, June 15, 2016

Xiaomi Mi 4 – Disassembling procedure – How to remove the battery – How to remove camera – Mobiles and smartphones repair and service

Category: Mobiles and Smartphones Repair and Service 

Contents of this article 

  • How to remove the case 
  • How to remove the battery and connection 
  • How to replace the camera

Xiaomi Mi 4

Check to make sure that the device is powered off.
Use a pin or paper clip to insert in the hole on the side of the phone next to the micro SIM cardholder to remove the tray.
Remove the SIM card tray from the Xiaomi Mi 4 and store somewhere safe.
Using the flat metal spudger and curved metal spudger, make a wedge between the plastic back cover and the inner frame.
Using the second spudger, slowly work your way around the perimeter of the device
Check for clicking sounds as you are prying the back cover away from the frame
As the back cover is almost completely removed, use the suction-cup tool to remove the plastic cover without damaging the back
Place the screws on the magnetic mat to avoid losing them.
Use a 3.0 Phillip’s head screwdriver to remove the 10 1.2mm Phillip’s head screws in the plastic frame that held the motherboard and battery.
Use a 3.0 Phillip’s head screwdriver to remove the 3 0.5mm Phillip’s head screws in the plastic frame that held the motherboard and battery.
Use the small plastic opening tool and place it in the slot on the bottom right corner of the inner frame and carefully pry it off.
Look keenly for the connections that run across the battery and are connected to the motherboard.
Use tweezers to gently disconnect the two connectors that are stated in the previous step.
Proceed to gently remove the tape like connector from the battery until it is completely off.
Use tweezer to disconnect battery’s wire from the motherboard.
Use the plastic opening tool to gently pry the battery out of its casing for removal.
With the battery removed locate the left-hand cable connected to the motherboard. With the tweezers, firmly grasp the wires of the connector and gently disconnect the cable from the motherboard.
Find the other cable connecting the motherboard to the device at the top right-hand side of the phone, and carefully use the tweezers to remove that as well.
Wedge the plastic opening tool, between the motherboard and the inner region of the phone in the slot atop the motherboard.
With the motherboard removed from the device, turn the motherboard over to face the obverse side.
Locate the connector for the rear camera.
Grasp the cable with the tweezers and gently pull up and away from the motherboard to disconnect it.