O2

I was just wondering if there was a way I could upgrade and not pay the remainder of my plan in full but monthly with a new plan? I’ve been with o2 for years.

When offered o2 over the phone, i trued to get a pay monthly contract phone but instead was offered a monthly sim with an upgrade in 3months. When I checked my o2 upgrade options it said I had to wait 6months I want to know why I was told something d...