Introduction
Use this guide to replace the battery cover in a Xiaomi Mi 9T Pro or Xiaomi Redmi K20 Pro smartphone.
Before disassembling your device, be sure the battery is charged below 25%. If accidentally punctured or damaged, the battery can catch fire and/or explode; if discharged below 25%, the chances of fire/explosion is decreased. Additionally, make sure that your phone is powered off before beginning the disassembly process.
Follow the iOpener Heating guide for instructions on using the iOpener.
What you need
Video Overview
Xiaomi Redmi K20 Pro Battery Cover Replacement
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Insert and gently push the SIM card ejector tool (or an unfolded paperclip) into the small hole on the left side of the top edge of the phone.
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Press gently to eject the SIM tray.
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Remove the SIM card tray from the device.
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Apply a suction cup to the lower portion of the phone's backing and pull firmly to create a crack between the back cover and the rest of the phone.
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Insert a Jimmy tool, opening pick, or plastic card under the edge of the back cover.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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