1. Firstly, Open eRetail app and login with the login credential.
2. Click on Menu tab.
3. Then click on Profile.
4. A My profile window will appear. Click on Update profile.
5. An Update profile window will appear. In 'Mobile No.' field, the user will update Mobile number according to their requirement.
6. Then click on Submit to save the changes.After following the above steps user can update Mobile number in eRetail app.