Hi, thank you very much for your question, we developed this product based on the safe and efficient replacement of mobile phone back covers, also after specific experiments to confirm. So for your question, I think it may be caused by the machine in the process of transporting the laser coordinates being shifted resulting in a change in the range of the laser de-gluing, for this reason, we have specifically stated in the manual that the laser coordinates must be adjusted before the machine can be used. In addition, V2 drawings are set according to the color of the back cover of the phone, and the corresponding drawings can be the perfect repair of the phone, if you encounter any problems, contact our technical team, and they will immediately help you solve (manually contains contact information), I hope my answer can help you, thank you!
where did you get the protection mould?
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Some user say that it kills face ID or charging board.
Hi, thank you very much for your question, we developed this product based on the safe and efficient replacement of mobile phone back covers, also after specific experiments to confirm. So for your question, I think it may be caused by the machine in the process of transporting the laser coordinates being shifted resulting in a change in the range of the laser de-gluing, for this reason, we have specifically stated in the manual that the laser coordinates must be adjusted before the machine can be used. In addition, V2 drawings are set according to the color of the back cover of the phone, and the corresponding drawings can be the perfect repair of the phone, if you encounter any problems, contact our technical team, and they will immediately help you solve (manually contains contact information), I hope my answer can help you, thank you!