j7 duo new update comes without bluelight filter ... perhaps samsung forget to give this features ... but it is a most important features i think ..

koi update ayega ya nehi j7 duo me ?? pehele to blue light filter nehi diya .. fir koi update nehi khridne ka 3 mah ho gaya ... asus pro m1 me to 2 month me 10 bar a chuka he ... 

why samsung is not giving bluelight filter in j7 duo ??

samsung make us fool .. after 2 months of lunched j7 duo no update till now ... no battery optimisation no 8.1 oreo version no blue light filter ... what is the hell going on ... why samsung lunched j7 duo ... fadu company ... next time with nokia .....

how active blue light filter in j7 duo with out 3rd party app plz suggest ?