华为 P20 Pro 后玻璃盖更换

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If the phone's rear glass is cracked, a suction cup may not stick very well. Try lifting it with strong tape, or superglue the suction cup in place and allow it to cure so you can proceed.
Press a suction cup onto the rear glass close to the bottom edge of the phone.
Lift the bottom edge with the suction cup, opening a slight gap between the rear glass and the frame.
Insert an opening pick in the gap and slide it to the bottom right corner. Leave it there to prevent the adhesive from resealing.

如果手机的后玻璃盖破裂，吸盘可能不会很好地粘住。尝试用强力胶带将其提起，或将吸盘加到适当的位置并使其固化，以便继续操作。
将吸盘按到靠近手机底部边缘的后玻璃上。
用吸盘抬起底边，在后玻璃和框架之间打开一个小间隙。
在间隙中插入三角撬片并将其滑动到右下角。将其留在那里以防止粘合剂重新密封。

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