I changed my tariff from my original one when I signed up for volt via
Virgin media,the double SIM data took a couple of weeks ,but the Virgin
broadband boost was not affected
I did the same in December and everything went smoothly,if you worried
you can reguest the PAC yourself and inform O2,my phone as facility for
2 Sims so I left my Virgin one in and put O2 SIM in the other slot,so
when switch is complete the virgin SI...