Why do I have to provide my mobile phone number? Garmt Elings October 01, 2018 12:53 Updated Follow Answer We use your phone number to send a verification code required for log in and authorising payments. Related articles Remote access and support OneLinQ version 178 - 29-09-2018 With which software solutions does OneLinQ have a connection? What are the password requirements? How long will it take before my bank account is activated? Comments 0 comments Article is closed for comments.