You don't need to unglue old OLED panel.
You don't need to solder / unsolder anything.
How to replace it?
Instructions in video on youtube (search for "Nivona OLED display repair"). (can't put the link to it here due ebay restrictions)
Instructions in google doc with pictures on request (can't put the link to it here due ebay restrictions).
Just replace old damaged one with the new one.
We have developed and manufactured this non-original OLED display with high quality components.
Warranty: 1 year.
Full refund if the display does not work.