Meizu Pro 7, from 2017:
Also Xiaomi Mi 11 Ultra from 2021:
Many more actually but I forgot their names (Asus with plenty of models, Nubia with one or two, etc. etc.), all 5 to 8 years old at this point… Not a new concept, just more colours than before. This will fail every time until Apple finally invents it and everyone starts using it.
Edit:
Forgot to mention the Yota Phone from 2013, with big e-ink display across all of its back side, it was like having a phone + a Kindle in one device:
