    Sentence 4: How would we update our  phone number in the UAN (Universal  Account Number) porigl to login to the  UAN portal and «manage an EPFO  account, .if}Wwe donitihaye our registered  mobile swith us or ur service is  disconnected?    Sentence 2: My mobile number seems to  be registered with a UAN that doesnt  belong to me. How can |.correct it?