Welcome to Zero1.
Get ready to live the connected life with Zero Limits!
Oh yes, got your SIM card, but wait...
Got a new number?
Port in existing number?
No network signal?
How can we help you?
Got a new number?
Service will be activated the next business day*
Back up your existing SIM card data onto your phone or other cloud drives
Power down your mobile phone
Pop in your Zero1 Sim card
Power up your phone
Yes, you are ready to use Zero1 service now
*Excluding weekends and public holidays. It may take up to 3 full business days or longer to get the SIM card activated during promotions or new service releases.
Port in existing number?
It may take up to 3 business day* for service activation
Do not terminate your existing line
Porting begins 1 business day around midnight after you receive the SIM card
Keep the old SIM card in your phone
Wait for Zero1 SMS notification
Follow the instructions in the SMS
If porting in from Singtel, you will not receive notification SMS
Look out for No Network Signal
Yes, porting is successfull
Follow the steps described for subscribing to a new number
*Excluding weekends and public holidays. It may take up to 3 full business days or longer to get the SIM card activated during promotions, new service releases or when your port-in is rejected by the donor telco.
No network signal yet? Stay calm!
Ensure the following setting to access Zero1 mobile network
- Settings > Connections > Network Operators set to "Zero1"
- Settings > Connections > Mobile Network > Access Point Names set to "e-ideas"
How can we help you?
Contact us
To check on your SIM activation status and account related information, log in with your email and password at www.Zero1.sg
For quick answers, please check out our FAQs
For assistance, please submit a ticket