Choose a SIM-only plan
Terms & Conditions
3 Simple steps to sign up ZYM

Order a SIM
from zym.sg
Receive SIM
by Self-collection or Delivery
Activate SIM
with Singpass in ZYM mobile app
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Premium speed 4G / 5G Data
Premium Speed
Powered by SG #1 Network
Powered by SG #1 Network
A subsidary of mDR Ltd
Listed company in SGX
Listed company in SGX
Free Number Port-In
Free Caller ID
Free Incoming Talktime
Free Incoming SMS
Free Sign up Gift(s)
On selected plans
On selected plans
Flexible Term
No contract
No contract
Terms & Conditions
- Roam Pro 5G (No contract) is specially designed for new customers and port in customers who are not from Singtel, Gomo, Heya, CMLink. Zero1 and ViviFI. It is an enhanced Roam Plus 4G plan with a 5G add-on that transforms all data into 5G connectivity. Roam Pro 5G comes with a 100GB local base + Bonus local 10GB + 2GB Malaysia and 1GB Indonesia / Thailand roaming data for period of 12-month. Thereafter, the plan reverts to 100GB local base + Bonus 10GB local data forever.
- Roam Plus 4G (No contract) is specially designed for new customers and port in customers who are not from Singtel, Gomo, Heya, CMLink. Zero1 and ViviFI. It comes with a 100GB local base + 2GB Malaysia and 1GB Indonesia / Thailand roaming data for period of 12-month. Thereafter, the plan reverts to 100GB local base data forever.
- Super 5G (No contract) is an enhanced Elite 4G plan with a 5G add-on that transforms all data into 5G connectivity. Super 5G comes with a 110GB base + Bonus 10GB + Bonus 20GB local data for a period of 12-month. Thereafter, the plan reverts to 110GB base + Bonus 10GB local data forever. Unlimited Mins is capped at 10,000 based on FUP.
- Mega 5G (No contract) is an enhanced Prime 4G plan with a 5G add-on that transforms all data into 5G connectivity. Mega 5G comes with a 80GB base + Bonus 10GB + Bonus 20GB local data for a period of 12-month. Thereafter, the plan reverts to 80GB base + Bonus 10GB local data forever.
- Prime 4G (No contract) comes with a 80GB base + Bonus 20GB local data for a period of 12-month. Thereafter, the plan reverts to 80GB forever.
- Lite 4G (No contract) comes with a 20GB base data forever.
- All above-mentioned plans’ unused base local data are rollable for next 1-month. Visit https://zym.sg/faq/data-rollover/ to find out the details on how Data Rollover works.
- Due to a recent increase in SMS-based scams, all of the aforementioned plans have a daily SMS limit of 300, as per our fair usage policy.
- Customers with ZYM Mobile's no-contract plans must remain subscribed for a minimum of 2 months. Porting out during this period is not permitted. However, in exceptional circumstances, we may allow port-out requests, but any subscription payments made will be non-refundable.
- Subscriber's port-in number must fulfill the obligation(s) from your existing Telco. ZYM Mobile is not liable for any early termination charges, or other related fee, imposed by your existing Telco.
- From time to time, a subscriber's port-in may fail due to many reasons, such as incorrect account information, technical issues, or delays on the part of the previous carrier. In the event of a port-in failure, ZYM Mobile is not liable for any delay or inconvenience caused. No refund will be given.
- To ensure a smooth SIM activation process, customers MUST accurately enter their Name, NRIC/FIN number, and Date of Birth during the SIM card ordering process on www.zym.sg. These details will be used to verify the customer's identity at the time of SIM activation
- Roaming calls and SMS are chargeable. To view the rates, go to https://zym.sg/faq/roaming-calls-sms/
- While you can cancel your SIM order by contacting ZYM customer care, kindly note that no refund will be issued if you chose SIM delivery (Drop into mailbox / Deliver to doorstep), as the order has already been processed.
- If the customer provides incorrect personal or delivery information, they are responsible to reorder the SIM card again through the ZYM website (www.zym.sg). Refunds (if any) will not be issued for previous orders due to the order being already processed.
- For full T&Cs, visit https://zym.sg/specific-terms-and-conditions/
- Please activate your SIM card within 14 days from date of order if you've opted for delivery to your mailbox or doorstep. After 14 days, the SIM card will expire and become unusable. However, if you opted for self-collection of SIM card, you must collect your SIM card within 14 days of ordering it. If you do not collect it by the deadline, ZYM Mobile will automatically cancel your order.
- (Promotion - Updated on 01 Dec 2023) New customers / Customers who port-in to us shall be awarded with 2 x $100 e-Vouchers. Each e-Voucher may be used to offset Galaxy Watch 4/ 5 / 6, Galaxy Buds 2 & Buds 2 Pro on selected retail stores. Instructions on how to redeem the vouchers shall be sent to the subscriber's registered email in 5 business days. (Exclude Sat, Sun & PH) Each Voucher may only redeem 1 item at a time, and may not be used to redeem for cash or other items. Stocks are limited. This promo has been extended until 15 Dec 2023, or while stocks last. For more info on which exact retail outlets for redemption, refer to https://zym.sg/faq/promo-2-x-100-evoucher/
- (Promotion) New customers / Customers who sign up for Prime 4G, Mega 5G and Super 5G shall enjoy Free 1GB shared roaming between Malaysia, Thailand and Indonesia, per month for a period of 12-month. This promo is extended to 31 Dec 2023
- (Promotion) New Roam Plus 4G and Pro 5G subscribers shall enjoy a free 3rd month subscription. This promo is valid until 31 Dec 2023
- (Promotion) Eligible port-in subscribers to Roam Plus 4G shall enjoy a free 5G experience for a period of 90 days. Subscribers who sign up for a new number are not entitled.
