Teardown difficulty:
Moderate
Duration:
9 min

Recommended tools

Disassembly/Repair of the mobile device UMI IRON Pro with each step description and the required set of tools.


Specialist in content creation, distribution and content management.


How to disassemble UMI IRON Pro, Step 1/1 How to disassemble UMI IRON Pro, Step 1/2

Step 1. Remove the tray

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.


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Step 2. Unscrew the screws

Using a screwdriver (Phillips 1.5 mm PH #000), unscrew the six screws on the sides.


How to disassemble UMI IRON Pro, Step 3/1 How to disassemble UMI IRON Pro, Step 3/2

Step 3. Open the back cover

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.


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Step 4. Disconnect the battery connector

Disconnect the battery connector as soon as possible. It is better to use a non-metal or plastic tool to avoid any damage.

ℹ️️ The UMI IRON Pro model has a battery with 3100 mAh capacity (aka rechargeable battery).


How to disassemble UMI IRON Pro, Step 5/1 How to disassemble UMI IRON Pro, Step 5/2

Step 5. Unscrew the screws

Using a screwdriver (Phillips 1.5 mm PH #000), unscrew the three screws.


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Step 6. Open the covers

Pry over the edges and remove the cover with a loudspeaker and cover with antenna tracks and pads.


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Step 7. Remove the coaxial cable

Disconnect connectors and remove the coaxial cable.


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Step 8. Remove the 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.


How to disassemble UMI IRON Pro, Step 9/1 How to disassemble UMI IRON Pro, Step 9/2

Step 9. Unscrew one screw

Using a screwdriver (Philips 1.5 mm PH #000), unscrew one screw securing the sub-board.


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Step 10. Disconnect the connector

Disconnect the inter-board cable connector. Also, we pry up the vibration motor and remove the sub-board. It may be glued to the frame or attached with attachments like latches or hooks, so be careful.

ℹ️️ The sub-board contains a charging port (Micro-USB), microphone, vibration-motor, spring contacts for the speaker, and antennas.

⚠️️ It is not necessary to insert the tool underneath when removing the sub-board. Internal components could be damaged.


How to disassemble UMI IRON Pro, Step 11/1 How to disassemble UMI IRON Pro, Step 11/2

Step 11. Remove the fingerprint sensor

Disconnect the connector on the motherboard and remove the fingerprint sensor.


How to disassemble UMI IRON Pro, Step 12/1 How to disassemble UMI IRON Pro, Step 12/2 How to disassemble UMI IRON Pro, Step 12/3 How to disassemble UMI IRON Pro, Step 12/4 How to disassemble UMI IRON Pro, Step 12/5

Step 12. Disconnect the connectors

Pry up the connectors of the side buttons cable, display cable, inter-board 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.


How to disassemble UMI IRON Pro, Step 13/1 How to disassemble UMI IRON Pro, Step 13/2

Step 13. Unscrew the screws

Using a screwdriver (Philips 1.5 mm PH #000), unscrew the three screws.


How to disassemble UMI IRON Pro, Step 14/1 How to disassemble UMI IRON Pro, Step 14/2

Step 14. Remove the motherboard

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.


How to disassemble UMI IRON Pro, Step 15/1 How to disassemble UMI IRON Pro, Step 15/2

Step 15. Remove the earpiece speaker

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.


How to disassemble UMI IRON Pro, Step 16/1 How to disassemble UMI IRON Pro, Step 16/2

Step 16. Remove the inter-board cable

Peel back the inter-board cable and remove it.


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Step 17. In the display frame remained

ℹ️️ In the display frame remained:

Detailed disassembly instructions of UMI IRON Pro in the video, made by our mobile repair & service center:

If you have a question, ask us, and we will try to answer in as much detail as possible. If this article was helpful for you, please rate it.


Disassembling\Repair has medium complexity and takes about 9 minutes in time. Our manual is suitable for all models UMI IRON Pro released for markets in different countries.



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