User want to change email id. When user do change for email id, it will change user id for login as well. This is critical change. We have implemented 2step verification process for it.
Step 1 Click for profile open, for change email id.
Step 2 Once it open profile, click on change button beside email id box.
Step 3 Once you click on change button, asking user for enter password for verification. So user need to enter correct password and need to click on continue button.
Step 4 Once user enter correct password, it will ask for get OTP. Once user click on get OTP button user will receive OTP on entered new email id.
Step 5 After entering OTP, it will get verified within a minute then only user able to save those changes. Suppose user not received or not able to enter password. After resend OTP option get enabled.