MyRepublic a MyHeadache for Big 3 telcos?

LAST week, broadband upstart MyRepublic became a larger thorn in the side of the telco establishment. It announced ambitions to be Singapore's fourth full-fledged telco and offer future subscribers unlimited mobile data bundles - the very concept that larger players have been trying to phase out.

But while buffet data pricing might set off warning signals for the great telco triumvirate of SingTel, StarHub and M1, what they should be more worried about is the business model that MyRepublic might bring to the mobile sector.

If regulation and funding go according to plan, MyRepublic might just make for a lean, hungry rival vying for a share of the mobile pie.

"The incumbents are stuck in a cost structure - they have a lot of people, a lot of expensive systems and legacy technology," Malcolm Rodrigues, MyRepublic's chief executive office…