During 7th of September 2011, people in Singapore who are using Singtel for their mobile 3G connection got sudden disruption in services as reported by Yahoo!
…the outage affected “limited areas in central Singapore”, where customers experienced “intermittent difficulty making calls and accessing the 3G network for several hours on Tuesday afternoon and this (Wednesday) afternoon”.
Coincidentally, I had personally received 2 consecutive SMS advertisements from Singtel that very moment just BEFORE the network went down at locations like Raffles places, City Hall and etc.
So, my best guess their computer “glitch” was actually someone tried to MASS SMS SPAM all or part of the customers and probably crashed the network with overloaded traffic.
Someone else got SMS Spammed too and posted the SMS image on his/her blog.

