GP (Grameenphone) is a very famous sim in Bangladesh. The people who use gp can easily check their Minute balance by dialing a code. And the code is *121*1*2#. If you also use gp and have bought a minute package, you can check your remaining minute balance by using that code easily.

First of all, go to your contact

Dial *121*1*2# and press the green icon and you will get acquainted immediately! Thank you.