In order to update your profile details, please follow the steps given below on InTouchApp installed on phone.
Step 1 - On the Calls/Feed Tab, click on your profile picture at the top centre of the screen.
Step 2 - On Account screen, click on See details.
Step 3 - Click on the right overflow icon.
Step 4 - Select Edit.
Step 5 - You will be re-directed on the Edit screen, update your profile details, photos, etc. on the screen. You can also set the privacy level for them.
Step 6 - Once done, click on the Right tick at the top right corner of the screen.