Disassembly/Repair of the mobile device Xiaomi Mi Max Prime (Xiaomi Mi Max Prime 2016007) with each step description and the required set of tools.
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Step 1.
Use the ejection tool (aka Needle) or Paperclip. Push the tip all the way into the hole until the tray ejects, and then pull the tray of SIM and Memory card (Micro SD) out.
⚠️ Pay attention! The tool must be inserted into a hole on the edge of the phone's housing. Do not press too hard. It may break the tray eject mechanism.
Step 2.
Using a spudger or a plastic pick, carefully, around the edge, detach the back cover clips, and remove it.
Do not insert the tool deeply or bend it. Otherwise, the housing may be tampered with or damaged.
⚠️ Be careful when opening the cover from the volume and power buttons side. Thin cable and fragile buttons are straightforward to damage.
⚠️ Pay attention to the fingerprint sensor cable located on the inside.
Step 3.
Pry up the fingerprint sensor connector and remove the back cover.
Step 4.
Unstick the body and remove the fingerprint sensor.
Step 5.
Using a screwdriver (Phillips 1.5 mm PH #000), unscrew the eleven screws
Step 6.
Pry over the edges. Move an opening tool along the edge detach the clips and remove the cover with antenna pads and tracks.
Step 7.
Disconnect the battery connector as soon as possible. It is better to use a non-metal or plastic tool to avoid any damage.
ℹ️ The Xiaomi Mi Max Prime model has a battery BM49 with 4760 mAh capacity (aka rechargeable battery).
With extreme care, remove the battery because it is glued from the inside by the manufacturer.
Also, we need to remember or look in advance at the location of the flat cables under the battery, so as not to damage them.
Step 8.
Using a screwdriver (Phillips 1.5 mm PH #000), unscrew the five screws.
Step 9.
Pry over the edge and remove the loudspeaker assembly with antenna tracks.
Step 10.
Carefully, preferably from the edge, disconnect the connectors and remove the inter-board cable connecting the mainboard to the daughterboard (also known as the sub-board).
⚠️ Be careful when removing the cables from the connectors, the cables are pretty thin, and it is easy enough to break them or damage the contact tracks inside.
ℹ️ An arrow on the FFC cable (flexible flat cable) indicates its correct position.
Step 11.
Disconnect connectors and remove the coaxial cable.
Step 12.
Using a screwdriver (Philips 1.5 mm PH #000), unscrew one screw securing the sub-board.
Step 13.
Remove the sub-board. It may be glued to the frame or attached with attachments like latches or hooks, so be careful.
ℹ️ The sub-board contains a charging port (Micro-USB), microphone, spring contacts for the speaker, vibration motor, and an antenna unit.
⚠️ It is not necessary to insert the tool underneath when removing the sub-board. Internal components could be damaged.
Step 14.
Pry up the connectors of the side buttons cable, display cable, touchscreen cable.
⚠️ Be careful when removing the cables from the connectors, the cables are pretty thin, and it is easy enough to break them or damage the contact tracks inside.
Step 15.
Disconnect the connector on the motherboard and remove the front (selfie) camera.
Step 16.
Carefully remove the printed circuit board. There is no need to use a lever or try to reach the circuit board by force. Make sure that nothing is getting in the way or holding the circuit board.
The motherboard, also, may be attached with attachments like latches or hooks, be careful.
⚠️ Do not bend the circuit board when removing it or push tools under it. Unbeknownst to yourself, you can damage components or cables from the inside.
Step 17.
Pry at the bottom and remove the earpiece speaker.
⚠️ Be careful! The earpiece speaker is glued a bit with adhesive.
⚠️ If we pry the speaker in the middle we may break the earpiece speaker in half.
Pry at the bottom and remove the vibration motor.
⚠️ Be careful! The vibration motor is glued a bit with adhesive.
Step 18.
ℹ️ In the display frame remained:
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