sir please give us software update through which internet connectivity works good. i have 2 a7 2016 model phone and in both i faces same problem.

I am facing lots of problem in a7 2016 . The jio sim not work properly. meanwhile internet connectivity is bad when i inserted the same sim in another phones it work exellent. i have 2 a7 2016 model. so please update the software through which the ...