Before attempting to replace the battery, ensure you've tried troubleshooting on the OnePlus Nord N20 5G Battery Not Charging page.
Be cautious: small parts can break during repair.
Heat iOpener in microwave for 30 seconds.
Remove all 18 x 3.9 mm screws using a Phillips #0 screwdriver.
Use the iFixit opening tool to pry the edges of the device.
Use a spudger to disconnect the brackets from the motherboard.
Remove the tape covering the battery.
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