Replacing the battery will require significant effort and time.
Insert your fingertip under the back cover at the marked point and use it to gently pry the cover loose.
Remove all 13 black screws and 1 silver screw from the back of the phone using a JIS size 00 screwdriver.
Record the speaker unit's location for accurate reinstallation.
Be careful when detaching the antenna, it may bend or break.
Unlock the ribbon cable by prying up the yellow tab using a plastic opening tool.
Remove the vibration motor from its housing using a plastic opening tool.
Remove the board gently from the phone using your hand.
Use a plastic opening tool to carefully lift the ribbon cables as shown in the provided images.
Be cautious when removing the battery pack from the phone as the fragile tabs on either side can be easily damaged.
Careful not to bend the metal housing when prying it from the battery.
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