YMJ Portable Lamination Machine, Installation, Operation & Maintenance Manual

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Chapter 4 Bubble Causes and Treatments
4.1 iPhone Series
1) iPhone 5G/5S/5C/6/6Plus
①
Clean up the hard conductive silver adhesives on the corner and flex cable,
②
Check the frame flaw if laminating glass with frame,
③
Check if there exists deviation of molds position.
2) iPhone 6s/6sPlus/7G/7Plus
①
There is bubble existing in the four corner. This phenomenon is due to the backlight structure
of those models. We just leave them aside for 10~20 minutes, the bubble will disappear
naturally.
②
Through the reflect light, if we find twill on the backlight after lamination. It’s for the
poor heat dissipation of the backlight. Just leave them there, they will be back to normal in few
minutes.
4.2 Samsung Series
1) Samsung Flat/Straight Screen
①
The original screen of first time assembly, we have to tear off the transparent glue bar on the
flex cable.
2) Samsung Edge Screen
①
The quality and thickness of OCA will influence the lamination.
②
Thicker the oca is, the less possibility bubble may appear. But thick oca requires advanced
skill when framing the phone.