I myself worked in refurbishment in the very beginning of my career. Even back in 2012 they were already quite militant with the refurbishing industry.
They blackmailed Alibaba into removing refurbished Apple goods from their store under a threat of pulling their goods from Tmall, and suing them in the US.
Iphone 4 started manufacturing using a non-sticky optical bonding gel for the glass, but later they switched to a hard epoxy out of a sudden in the middle of manufacturing run.
People noted that this was a very expensive solvent resistant epoxy that was very hard. They intentionally made it impossible to unbond the display without ruining it.
https://www.vice.com/en_us/article/yp73jw/apple-recycling-ip...
I myself worked in refurbishment in the very beginning of my career. Even back in 2012 they were already quite militant with the refurbishing industry.
They blackmailed Alibaba into removing refurbished Apple goods from their store under a threat of pulling their goods from Tmall, and suing them in the US.
Iphone 4 started manufacturing using a non-sticky optical bonding gel for the glass, but later they switched to a hard epoxy out of a sudden in the middle of manufacturing run.
People noted that this was a very expensive solvent resistant epoxy that was very hard. They intentionally made it impossible to unbond the display without ruining it.