Try anyother browser such as safari, it may have this facility.

I am sure that you can find something for this problem if you have no other idea go to a store where they sell your type of phone and they will guide you throw to problem.

I think you can try Mozilla, one of the favourate browsers and picked one nd there are multiple plugins through which you can use pdf too. I think mozilla automatically opens the pdf with in new tab , so you issue must be reolved.

Google chrome and always do like this, you never consider about this browsers actually Mozilla browses are very interesting to use. compare with chrome Mozilla is best.
let's try and tell me.

Ff has more addons Chorme & IE is like childs vs FF. lot of plugins & features that other don't have been able to get numbers

Chrome is most widely used....changing of browser will not give you that much profit. Update the device according to demands.

I suggest you to use Mozilla Fire Fox..

google chrome is the best browser u can surf on it very easily.
it light browser than any browser with some addons and improving lot of.