on 31-05-2020 15:09
on 31-05-2020 15:13
If you upgrade you must reapply for discounts Guide: O2 Open & Friends and Family discounts - How to sign up
on 31-05-2020 15:19
on 31-05-2020 17:00
on 31-05-2020 17:00
Yes, upgrade then apply for discounts within the first 28 days.
All details on the link.