Why is my screen on my Lumia 640XL flickering on minimal brightness?

[Windows Central Question]

why is my screen on lumia 640XL flickering on minimal brightness?

when i set brightnes to zero my screen slightly flickering, mostly noticible in dark room

 

[tariqsaad16]

Re: why is my screen on lumia 640XL flickering on minimal brightness?

Mine too

 

[kastron]

Re: why is my screen on lumia 640XL flickering on minimal brightness?

do you think that it is an issue on all lumias?