The point is that this can be used to hide the message for those that find it annoying. From a practical end-user standpoint the nitpicky difference in whether it's the SIM or the account tied to the SIM is irrelevant. The OP was effectively saying that he knows that this temporary workaround works with TMO and that another user confirmed that this works for O2 prepaid.
Originally Posted by pronerd
I would be very careful trying this. If you have a BB on a service plan with out an unlimited or pre-bundled data plan then you are probably being hit with per use charges which are much hirer than normal.
How would adjusting the selected network lead to ("hirer") per-use data charges??