Known test smartphones jerryrigeverything once tested a Xiaomi smartphone Pocophone F1, received the title of the cheapest flagship. He stood the test, showing that plastic can be durable.
Most interesting is that the display scratches did not appear until the materials hardness 6 level on the Mohs scale, and the fingerprint scanner proved to be almost invulnerable. The usual keys, coins and other small items in the pockets will not hurt the screen. At the same time, plastic back cover is scratched most likely, if you put a smartphone in one pocket with such small items, so jerryrigeverything once recommends the use of covers.
When checking the fire on display were not long a “burn”, which quickly fully recovered. Test bending the smartphone has stood well, the plastic is not deformed and returned to its original form.