The motherboard is a critical component of your Samsung Galaxy J3 Mission phone and can be easily damaged.
Insert fingertip into the back cover removal slot.
Ensure device power-off by disconnecting AC adapter.
Slide the SD and SIM cards out of the device using your fingertip.
Use an iFixit opening tool to pry the screen loose from one side of the phone.
Be careful around the home button — tabs can break if adhesive isn't loosened first.
Remove the small plastic brace holding the damaged screen in place with an iFixit opening tool.
Remove the metal panel by unscrewing its eleven 5mm Phillips #000 screws.
Flip the device over with the metal plate facing up.
Handle the motherboard carefully, as it is fragile.
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