Looking to upgrade tomorrow and just wanna get right through to the best people to haggle as much as possible
Dont think theres a special number for them mate, ring them up and they will pass you onto the retentions teams or ask for them when you ring up. When i was with them, thats what usually happened they just put me through to the retentions team.
o2 instore/paperwork tariffs retentions: 0800 0288151 8am to 8pm i think o2 online retentions: 0870 600 7102 08.00 - 18.00 Monday - Friday 09.00 - 17.00 at the weekend