Sir *#2263# doesnt take any action on my phone it is s5 duos lte model no. Sm-n900fd i posted the screenshot of my phone info in last post check it out and sir how i select lte mode when its not showing lte ootion in network mode :/ thankyou for reply but still i want some more reply im in pakistan
Do you have ROOT? If so, install Phone INFO ★Samsung★ app > Menu > 'Secret Codes' > 2263 > 'Launch 0'.
You can get many important info using this app.