Meizu MX5 screen problem (There are 11 dead pixels on the defective screen)

The phone was bought from Aliexpress:
Store Name: Star - road (Previously sunshine-digital)
Seller: Peggy Cai
Store No: 335772

The details of the screen problem:
There are exactly 11 dead pixels on the screen! At least 6-7 of them can be clearly seen on this video. For the whole 11 dead pixels, please see the 2 pictures below, all of them are marked:

Note:
There are 2 other serious problems, please check my other Meizu MX5 videos:

* Meizu MX5 microphone problem (main call microphone is defective)

* Meizu MX5 random shut down problem (is mainboard defective?)