How to change 3D Touch for iPhone Oled display/ Freezer -180 for 15 seconds

Some of our clienes were asking for this video , so almost all the OLED models are very similar , this video you can take as an reference .
we normally do with freezer -180 and it takes 15 seconds to separate it .
the reason we do with freezer is that we can have higher success rate . it is hard to break the OLED .
If you guys have any more questions, let us know .