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Einleitung

Use this guide to replace the battery in your Xiaomi Mi 3 smartphone.

A phone’s battery stores the electricity the phone needs to operate. Recharging and using the battery causes the lithium-ion battery to degrade, decreasing the amount of charge it can hold and shortening its lifespan. If you notice you must recharge your phone more frequently, it may be a sign your battery is dying. Faulty, damaged, or improperly installed batteries can swell, overheat, or leak electrolytes which will cause damage to the phone.

Before beginning, make sure to power off your phone completely and disconnect from any external power source.

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

  2. Remove the two Phillips head screws located at the top of the phone on either side where the SIM card was ejected. One screw is located under an orange sticker which would serve as your warranty for the camera were this practice not illegal as per the Magnuson–Moss Warranty Act of 1975.
    • Remove the two Phillips head screws located at the top of the phone on either side where the SIM card was ejected.

    • One screw is located under an orange sticker which would serve as your warranty for the camera were this practice not illegal as per the Magnuson–Moss Warranty Act of 1975.

  3. Insert a pry tool into the upper edge of the phone, where there is a small gap between screen and frame of the phone to begin separating the screen from the rest of the phone. Be careful when using the pry tool as it can damage the phone's screen or other components. Be careful when using the pry tool as it can damage the phone's screen or other components.
    • Insert a pry tool into the upper edge of the phone, where there is a small gap between screen and frame of the phone to begin separating the screen from the rest of the phone.

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

  4. Once the pry tool has been inserted into the phone, slide it around the perimeter of the phone while gently lifting until the screen panel and back panel of the phone separate. Be careful when using the pry tool as it can damage the phone's screen or other components. Be careful when using the pry tool as it can damage the phone's screen or other components.
    • Once the pry tool has been inserted into the phone, slide it around the perimeter of the phone while gently lifting until the screen panel and back panel of the phone separate.

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

  5. The back of the phone should now be separated from the screen. The back of the phone should now be separated from the screen.
    • The back of the phone should now be separated from the screen.

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  7. Place the front panel screen side down with the camera at the top. Remove these six Phillips head screws located at the upper half of the phone. This screw is located under an orange sticker at the top right corner of the panel. The sticker can be removed with a pair of tweezers, then remove that Phillips head screw.
    • Place the front panel screen side down with the camera at the top.

    • Remove these six Phillips head screws located at the upper half of the phone.

    • This screw is located under an orange sticker at the top right corner of the panel. The sticker can be removed with a pair of tweezers, then remove that Phillips head screw.

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

    ary - Antwort

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

    Why do you need to remove lower cover ?

    Marcel Robert - Antwort

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

    Why do you need to remove that ?

    Marcel Robert - Antwort

    This step is 100% unnecessary.

    Tengku Elzafir Habsjah - Antwort

  10. Remove the plastic cover on the bottom of the back panel by inserting the pry tool at the edge and gently lifting. Remove the plastic cover on the bottom of the back panel by inserting the pry tool at the edge and gently lifting. Remove the plastic cover on the bottom of the back panel by inserting the pry tool at the edge and gently lifting.
    • Remove the plastic cover on the bottom of the back panel by inserting the pry tool at the edge and gently lifting.

    Really needed ?

    Marcel Robert - Antwort

    This step and step 9 are totally not needed

    leehanb - Antwort

  11. Remove the upper plastic cover from the back panel by inserting the pry tool into the upper edge and gently lifting. 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. 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 upper plastic cover from the back panel by inserting the pry tool into the upper edge and gently lifting.

    • 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.

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

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

    Rukmal Ranaweera -

  13. Remove the battery by gripping and pull up on the "Battery Removal" tab attached to the left side of the battery on the back panel. Some force may be required to remove the battery since it is adhered to the phone with two pieces of double sided tape. Some force may be required to remove the battery since it is adhered to the phone with two pieces of double sided tape.
    • Remove the battery by gripping and pull up on the "Battery Removal" tab attached to the left side of the battery on the back panel.

    • Some force may be required to remove the battery since it is 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 - Antwort

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

    ary - Antwort

  14. The battery is now removed from the panel.
    • The battery is now removed from the panel.

Abschluss

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

Prior to reassembly of the phone, inspect the battery for any leaking electrolyte. Leaking electrolytes is a sign of overheating, which can further damage the motherboard or cause the phone to catch fire. Clean any electrolyte from the phone using a cotton swab that is slightly damp with vinegar or lemon juice.

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Fr where do I gotta find a new battery after the removal of the old one???

Mohit Soni - Antwort

Easily available on Ebay. I am about to replace mine 2nd time, work's fine though the discharge seems to be higher after almost a year of replacement. Phone's still good to go for another year or so hopefully. No serious lags :)

Kiran G -

thank you very much; changed my battery for the first time for 3 years.

Dave Adiastha - Antwort

From where did you bought the battery for Mi 3

Durgesh Tanuku -

Hi I would like to know where can i find spare parts of Xiaomi MI3W. I have a MI3W whose internal USB Bus along with the USB port is damaged. Also touch is damaged, so need to purchase a display along with touch. So can anyone please guide me to a website where they sell spare parts of Xiaomi MI3W.

Sirish Kumar - Antwort

Hi there where can I buy a battery replacement for my Mi 3 gold

bokunene77 - Antwort

No there ((( I call Sony and Samsung…

My BM31 six years old, it’s only 1390 mA.

SysF - Antwort

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