I spoke to Voda the other week as their service is getting worse...
I was told they are in the process of a 4G upgrade so I will see sporadic poor signal. To be honest though I have both a work and personal phone with Voda, my missus is with Voda, my daughter is with Voda.... There service is crap totally and not just recently,
They then tried to blame it on my handset...that didn't wash though as I have a iPhone 5, missus is on a Galaxy S2, Daughter on a BB 8900 and my work BB is an 8520.........
My daughter and missus are always complaining about 3G. My company (who has 40,000 employees) have just binned them in favour of O2, even if that's just 25%, there is 10,000 people leaving in one hit, so i think that speaks volumes.
But then again, they support Man U so i expect a level of Ignorance/arrogance