Outstanding billing disputes with about 230 former subscribers, lack of porting of numbers after service stoppage, and still-recurring auto payments for 12 subscribers led to IMDA suspending Zero Mobile's licence.

While it says it is not exiting the market, it has put a halt on offering mobile plans to customers (for now).

Circles.Life fired shots first at a different direction, but Zero Mobile decided to jump in.

This promo will end Aug 31.

Zero Mobile has launched a new SIM-only, no lock in contract, Zero X plan that offers unlimited unlimited 4G data, unlimited calls, and unlimited SMS, all for S$75/month.

Australian company Zero Mobile is the second virtual MVNO (Mobile Virtual Network Operator) to enter the Singapore Market, and has a plan to win over customers with an unusual plan that lets subscribers potentially lower their monthly bill to S$0.