- How do I sign up for the Zero1 5G service?

If you are an existing Zero1 customer, you can use the self-service portal (http://www.zero1.sg) or the Zero1 app to log into your account, and either purchase a new 5G plan OR upgrade an *existing mobile service to 5G.

*Not applicable to line(s) on Jumbo Plan
If you are a new customer, you can register at http://www.zero1.sg) or the Zero1 app, create a new account, and select a number and a new 5G price plan.