on 06-07-2020 15:31
06-07-2020 15:46 - edited 06-07-2020 15:47
06-07-2020 15:46 - edited 06-07-2020 15:47
Unless it has an expiry date, tariff changes are usually OK, but you can check with customer service Guide: Coronavirus Community Help and Support
If you upgrade, it will definitely be lost.
Discount help here Guide: O2 Open & Friends and Family discounts - How to sign up