1, nuts fixed mobile power supply, directly remove the nuts can be.
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2, the card slot fixed mobile power can be directly broken, generally do not understand the children's shoes can not be broken, because can not find the force point, the simplest way is to directly hit a corner of the mobile power on the ground cracked, and then you can break it.
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3, there is another kind of ultrasonic fixed, this one has no other way to open, only the use of violence to open, after opening it can not be installed, so be careful.