Signed 24 months contract only to get an increase?

As if I don't have enough problems having to recharge constantly, because that's how fast my data runs out. Now I have been informed by Voda, 4 months into renewing my contract, that the price is going up by R10??? How ridiculous! Why wasn't I informed before the upgrade that the price would go up so that I'd jump ship to a cheaper network? <br> <br> This is unfair and what I believe is bridge of contract because this is not what I signed up for....<br> <br> I've been Vodacom's loyal customer for far to long, this is so disappointing. I guess this is the way that Vodacom repays their valued customers.