1.Login to Mobile App.
2.Select My Report.
3.Select My Account > Profile > My Details
4.Update your additional number by clicking edit phone number option
5.Type your new and confirm phone number.
6.Click on accept.
Through TT Web
1.Login to TT Web
2.Select My Account > Profile > My Details
3.Update your additional number by clicking the edit phone number option.
4.Type your new and confirm phone number.
6.Click on accept.