1. Insert the SIM card removal tool into the hole located at the top of the phone. Press the tool firmly into the phone to eject the SIM card tray from the slot.
    • Insert the SIM card removal tool into the hole located at the top of the phone. Press the tool firmly into the phone to eject the SIM card tray from the slot.

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  2. Remove the two Phillips head screws located at the top of the phone.
    • Remove the two Phillips head screws located at the top of the phone.

      • Caution: One screw is located under an orange sticker which serves as your warranty for the camera. Use tweezers to carefully remove the sticker and store it safely for future reference.

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    • Once the orange sticker is peeled off, the screw can be removed.

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    • Next, insert a pry tool into the upper edge of the phone, where there is a small gap between screen and frame of the phone.

    • Be careful when using the pry tool as it can damage the phone's screen or other components.

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    • Once the pry tool has been inserted into the phone, lift gently around the entire perimeter of the phone until the screen panel and back panel of the phone separate.

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    • Once a pry tool has been inserted into the phone, work it around the entire perimeter of the phone until the screen of the phone separates from the frame.

    This step is repetitive. Should be removed.

    Naomi Fernandez - Reply

    • The phone should now be separated into two panels: the front and the back.

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    • Place the front panel screen side down with the camera at the top.

    • Remove the seven Phillips head screws located at the upper portion of the phone.

      • One of the screws is located under an orange sticker at the top right corner of the panel. The sticker can be removed with a pair of tweezers.

    You miss circle mark that bolt top left you are loosening. total 8 bolt.

    ary - Reply

    • Next, remove the three screws located at the bottom of the back panel of the phone.

    Why do you need to remove lower cover ?

    Marcel Robert - Reply

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    • Using tweezers, remove the rubber dust cover on the back panel of the phone.

    Why do you need to remove that ?

    Marcel Robert - Reply

    This step is 100% unnecessary.

    Tengku Elzafir Habsjah - Reply

    • Optional: Insert a pry tool into the lower plastic cover on the back panel. Lift around the edges to remove the lower plastic cover.

    Really needed ?

    Marcel Robert - Reply

    This step and step 9 are totally not needed

    leehanb - Reply

    • Insert a pry tool into the upper edge of the back panel and lift around the edges to remove the upper plastic cover.

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    • After working the pry tool the top cover can be easily removed.

    • Some models have the NFC antenna at the back of the battery glued to the top cover. It is not possible to remove the top cover without removing the battery as well. For these models, check the touchscreen guide for instructions.

    Remove the first bullet of this step —”After working the pry….”. It is repetitive.

    Naomi Fernandez - Reply

    He guys, I broke the NFC, can I buy it or repair it somehow? Will it work without it? Thanks

    Daniel Eliáš - Reply

    • Using a spudger, remove the small ribbon cable that is connected to the battery.

    Thank you, i changed the battery mi3 easily. I dont need steep 9,10,11. I removed nfc stickers that stick to battery and attached to top cover carefully, make it top cover and antenna nfc still integrated. Mi3 Battery is removed Due problem "Bootloop mi logo without android, and you can enter fastboot only, no matter it sucessfully flashed via fastboot room it will stay bootloop". So, yes, if the battery not good, it will goes to bootloop automatically.

    ary - Reply

    I have the same problem. I think my battery also dead! Good information!

    Rukmal Ranaweera -

    • Then, firmly grip the "Battery Removal" tab attached to the left side of the battery on the back panel. Lift up on the tab to remove the battery out of the panel.

      • Note: It may take some force to remove the battery as it is also adhered to the phone with two pieces of double sided tape.

    Use of an old credit card to help lift the battery Is much easier.

    Marcel Robert - Reply

    I use iSesamo from the edge same as battery removal sticker. its safe from here, where other edge is have flexible cable near.

    ary - Reply

    • The battery is now removed from the panel.

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    • Using a pry tool, disconnect the antenna wire that is connected to the lower left portion of the motherboard.

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    • Using a pry tool, disconnect the ribbon cable for the LCD display that is connected to the lower right part of the motherboard.

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    • Using a pry tool, disconnect the ribbon cable that is connected to the bottom right corner of the mother board.

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    • Using a pry tool, disconnect another cable ribbon that is connected at the top of the motherboard.

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    • Using a pry tool, disconnect the other cable ribbon that is next to the the previous one you removed.

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    • Optional: You can remove the motherboard without removing this flex unless you want to change the flex or change the touchscreen assembly.

    • Using a pry tool, gently lift the side control buttons assembly away from the case.

    This step Is absolutly NOT needed for motherboard removal.

    You will people brake flex doing so. Limit your guide to necessary step only!

    Marcel Robert - Reply

    • Remove the two screws shown in the pictures. The first screw is located next to the rear facing camera, and the second screw is located on the right side of the panel next to the vibration module.

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    • Use a small pry tool to gently lift the motherboard up. Carefully remove the motherboard from the panel.

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    • The motherboard has now been successfully removed.

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    • With the motherboard removed flip it over onto its front and use a small pry tool to gently disconnect the side buttons from the back of the motherboard.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

Tyler Howard

Member since: 09/02/2015

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4 Guides authored

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USF Tampa, Team 1-5, Remmell Fall 2015 Member of USF Tampa, Team 1-5, Remmell Fall 2015

USFT-REMMELL-F15S1G5

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6 Guides authored

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