iphone 7 bought from melbourne australia
mu question is i bought my iphone 7 256gb from melbourne and it was working completely fine now because of the updates there is some issue like when i am trying to open my iphone the screen goes very dull and all of sudden it brightens up i need a exchange of the phone or the same new phone because its the softwares which is making the phones screen go like that
its been 4 years i have bought the pphone kindly do the needfull