Introduction

The Xiaomi Redmi Note 3 is an easy to open phone that has an easy to remove battery. Almost reaching repairablity perfection, the phone falls short at 8 out of 10 due to its difficult to replace display.

Image 1/3: Image 2/3: Image 3/3:
  • Exterior reference photos.

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Image 1/2: Prying the body of the phone out of the rear case is fairly straight-forward, the plastic clips holding it are flexible enough to bend without breaking, and are not too strong. Image 2/2: Fingerprint sensor cable connects the rear case to the interior of the phone, but is long enough that you can safely disconnect it without damaging it.
  • There are no exterior screws. The top and bottom panels of the rear case are made of plastic, but cannot be separated from the rest of the case.

  • Prying the body of the phone out of the rear case is fairly straight-forward, the plastic clips holding it are flexible enough to bend without breaking, and are not too strong.

  • Fingerprint sensor cable connects the rear case to the interior of the phone, but is long enough that you can safely disconnect it without damaging it.

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Image 1/2: Fairly easy to remove by pushing through the back of the case. Image 2/2: Fairly easy to remove by pushing through the back of the case.
  • Fingerprint sensor is the only component left in the rear case.

  • Fairly easy to remove by pushing through the back of the case.

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Image 1/2: Battery removed. Image 2/2: Battery removed.
  • Battery pull strips are awesome for easy battery removal.

  • Battery removed.

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Image 1/3: Next out: interconnect cable and antenna interconnect. Image 2/3: Next out, daughterboard with charging port. Image 3/3: Next out, daughterboard with charging port.
  • First layer of removable components includes: loudspeaker assembly, antenna, buttons, vibrator bracket, front- and rear-facing cameras.

  • Next out: interconnect cable and antenna interconnect.

  • Next out, daughterboard with charging port.

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Image 1/2: The main board is pretty minimal, but the headphone jack is soldered on, making jack replacements expensive. Image 2/2: Final components off of the display assembly are the vibrator and earpiece speaker.
  • Motherboard removal, the only component removed from the motherboard is a rubber duct for the microphone.

    • The main board is pretty minimal, but the headphone jack is soldered on, making jack replacements expensive.

  • Final components off of the display assembly are the vibrator and earpiece speaker.

  • The fused, midframe-mounted display assembly is last out, making fixing a broken screen a more expensive and time consuming repair.

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Image 1/2: Despite no external screws, the rear case is fairly easy to remove. Image 2/2: Battery is easy to access and remove.
  • The Xiaomi Redmi Note 3 earns an 8 out of 10 on our repairability scale (10 is the easiest to repair):

    • Despite no external screws, the rear case is fairly easy to remove.

    • Battery is easy to access and remove.

    • Modular design with charging port on its own daughterboard means many components can be independently replaced.

    • Display assembly is a single fused component, that requires disassembling the entire phone to replace.

    • Manufacturer does not provide user-accessible repair documentation.

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Finish Line

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Andrew Optimus Goldberg

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2 Comments

Thanks for this guide. Almost Identical to a Galaxy Note 3 screen replacement. A lot easier than I though it would be.

Clems - Reply

Thank you so much for posting this teardown!

My Redmi Note 3 Pro developed a charging problem, and this post gave me the basics I needed to replace the usb daughterboard.

The phone was acting weird... When plugged in to a charger, the led indicator did not light up. I tried 7 different chargers and cables including 0.5, 1 and 2amp units. What was strange was that when it was plugged into a dual or quad port charger, any other devices stopped charging immediately. Those with led indicators switched off when it was plugged in.

I hoped it was a short circuit or fault in the usb port, which I learned here was replaceable. So I ordered the part on eBay and replaced it myself at home. All up it cost me $11 to fix my phone, and it is now working as normal again.

I'd like to add that one of the screws holding the speaker assembly is hidden under a tiny sticker, and the assembly and usb daughterboard are both also held in place by glue or double sided tape. Lift carefully and they come off quite easily.

Carl Cook - Reply

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