Follow following steps :
1. Sign-in to your Mobikwik Account
2.Click on Menu icon on the top right side of the app home.
3.Then selectMy walletoption.
4.Now select Favorites and tap on your Primary number (Number that want to be change)
which is at the top of the list.
5.On the next page select Edit option by clicking on a3 vertical dot Icon on the top right side.
6.After that verify your new mobile number with OTP to save it as your new primary number.
That's all you'd change successfully change your primary number.
