T Mob PAYG has gone up too.
T Mob PAYG rate for texts rose from 10p to 12p on June 17. The companies have trouble calculating the cost of a text as it is so miniscule -- a 20% increase seems entirely out of order.
They are texting PAYG customers suggesting a switch to a £10 a month package with text, talk and internet -- not in itself a bad deal, but not what I want and much more than my current spend. Further, I've had problems with T Mob occasionally deducting the odd £1 from my balance for no reason that made sense -- so have disabled internet on my phone and am not confident about using it again with T Mobile.
The only thing that stops me leaving T Mob is the fuss/cost of having an oldish phone unlocked.