Vodacom has popped a cap in the ass bandwidth of Blackberry Internet Service (BIS) subscribers who exceed a monthly data limit of 100mb – cutting the speeds from 3G to 2G. Vodacom claims that this should only affect around 5% of the user base, as the rest are all using the service “fairly”.

In a press statement released today, Vodacom announced that studies on usage patterns of the BIS service have shown that about 95% of the data usage is utilized by a minority of users, leading to congestion. This minority is considered by Vodacom to be “abusing the service,” and subsequently,

The 5% of the base who are not using the service for what it was intended will have their connection speed reduced from 3G to 2G levels,

Blackberry Enterprise users, however, will not be affected.

[Source: MyBroadband]