Sender ID is a unique name or the phone number that shows in the ‘from’ field of text messages.
You cannot change the Sender ID since the same has been approved by the concerned regulatory authority along with the content template.
For Indian Users: The Sender ID while sending OTP SMS will be UTOMOB.
For US Users: The Sender ID while sending SMS verification code will be the approved 10DLC number.
For Other International Users: The Sender ID while sending OTP SMS will be U2InFO.
While the Sender ID cannot be changed, you can change the brand name while sending the OTP SMS.