I have purches samsung j7 but the speaker of this mobile is very poor. I am not satisfied with the speaker of this mobile .Since 4 days im using j7 and im getting problem im using dual sim airtel and idea
But whenver my phone is lock and in pocket im not getting whatsapp messages and when I unlock my phone im getting 20 30 messages at a time.this thing is too annoying I dont like this phone.in my opinion buy other mobiles not this