All I can suggest is to call the broadband team to see if they can do it.
NOW Broadband Members can call us 8am–8pm, 7 days a week.
These are Now’s rules, if she is a current Now Broadband user:-
Is she in receipt of Universal Credit or Pension Credit, and will she be the account holder?
Other broadband suppliers may have differing rules, if she is not with Now.