Question [Q] Internet Browser Apk

I have rooted Samsung Galaxy Ace GT5830, last year i uninstall default browser from my device,
now i want that browser back, i have .apk and .odex file for the internet.apk, i tried by pasting it to "/system/apk" and set permission to
"rwx", "rxx", "rxx" but still i am not able to run the default browser,
if u have solution pls post it.