This limited-time promotion is exclusively for new ZYM Mobile customers who port in their mobile number from an operator who is not under a Singtel Network. To be eligible, the ported-in number must not have been registered with ZYM within the last 12 month and port in to the below mentioned eligible plans:

✔️ Port in to a Roam PLUS 4G ($10.10 /mth)
You'll receive $10.10 monthly discount on your 7th - 12th months stay with us (Effectively, you're paying nothing for 6 months. This equates to a total saving of $10.10 x 6 = $60.60).
✔️ Port in to a Roam SMART 4G ($15.10 /mth)
You'll receive $15.10 monthly discount on your 7th - 12th months stay with us (Effectively, you're paying nothing for 6 months. This equates to a total saving of $15.10 x 6 = $90.60).

For 5G plan lovers, a partial discount is given.

✔️ Port in to a Roam ECO 5G ($10.10 /mth)
You'll receive $10.10 monthly discount on your 7th - 12th months stay with us (Effectively, you're paying nothing for 6 months. This equates to a total saving of $10.10 x 6 = $60.60).
✔️ Port in to a Roam POWER 5G ($22.10 /mth)
You'll receive $15.10 monthly discount on your 7th - 12th months stay with us (Effectively, you're paying $7 for 6 months. This equates to a total saving of $15.10 x 9 = $135.90).

Monthly credits are applied to your ZYM account, offsetting your plan subscription only. Note that per-use charges (like roaming calls) and add-on purchases are still billable.

Do also take note that if you are porting in from Circles.Life (also a not-Singtel operator) to a Roam SMART 4G or POWER 5G, you will instead get the free 9 months promo. For details, check here

For example, you've ported in your number on 15 Jul 2025 for a Roam PLUS plan ($10.10 / month). You continue to pay the monthly subscription for first 6 months, then the next 6 months subscriptions are free.

The breakdown
✔️ Jul 2025: Even if it's not a full month, it counts as the first month.
✔️ Aug 2025: 2nd month (Pay for the prorate month)
✔️ Sep 2025: 3rd month (Pay $10.10)
✔️ Oct 2025: 4th month (Pay $10.10)
✔️ Nov 2025: 5th month (Pay $10.10)
✔️ Dec 2025: 6th month (Pay $10.10)
🎁 Jan 2026: 7th month (Free month)
🎁 Feb 2026: 8th month (Free month)
🎁 Mar 2026: 9th month (Free month)
🎁 Apr 2026: 10th month (Free month)
🎁 May 2026: 11th month (Free month)
🎁 Jun 2026: 12th month (Free month)
✔️ Jul 2026: From 13th month onwards, billing reverts back to usual $10.10 /mth.

Note: You aren't required to pay for the first six months all at once. After paying for your pro-rated first month and the second month in advance during your SIM activation, you can simply pay your bill by monthly as usual for the subsequent months until your "promo months" begin.

For example, you've ported in your number on 15 Jul 2025 for a Roam SMART plan ($15.10 / month). You continue to pay the monthly subscription for first 6 months, then the next 6 months subscriptions are free.

The breakdown
✔️ Jul 2025: (Pay for the prorate month)
✔️ Aug 2025: 2nd month (Pay $15.10)
✔️ Sep 2025: 3rd month (Pay $15.10)
✔️ Oct 2025: 4th month (Pay $15.10)
✔️ Nov 2025: 5th month (Pay $15.10)
✔️ Dec 2025: 6th month (Pay $15.10)
🎁 Jan 2026: 7th month (Free month)
🎁 Feb 2026: 8th month (Free month)
🎁 Mar 2026: 9th month (Free month)
🎁 Apr 2026: 10th month (Free month)
🎁 May 2026: 11th month (Free month)
🎁 Jun 2026: 12th month (Free month)
✔️ Jul 2026: From 13th month onwards, billing reverts back to usual.

Note: You aren't required to pay for the first six months all at once. After paying for your pro-rated first month and the second month in advance during your SIM activation, you can simply pay your bill by monthly as usual for the subsequent months until your "promo months" begin.

Roam ECO is essentially a Roam PLUS plan ($10.10 /mth) that includes a 5G add-on ($7.00 mth) that transforms all local data into 5G connectivity. This total up to a monthly subscription of $17.10.

With this promotion, a $10.10 discount will be applied to your account during the designated "promo months." (Note: Add-on is chargeable)

For example, if you port in your number on July 15, 2025, for a Roam ECO 5G plan ($17.10/month):
✔️ You'll pay the full monthly subscription for the first 6 months.
✔️ For the next 6 months, you'll only pay $7 per month.

The breakdown
✔️ Jul 2025: (Pay for the prorate month)
✔️ Aug 2025: 2nd month (Pay $17.10)
✔️ Sep 2025: 3rd month (Pay $17.10)
🎁 Oct 2025: 4th month (Pay $17.10)
🎁 Nov 2025: 5th month (Pay $17.10)
🎁 Dec 2025: 6th month (Pay $17.10)
🎁 Jan 2026: 7th month (Pay $7 mth for the 5G add-on)
🎁 Feb 2026: 8th month (Pay $7 mth for the 5G add-on)
🎁 Mar 2026: 9th month (Pay $7 mth for the 5G add-on)
🎁 Apr 2026: 10th month (Pay $7 mth for the 5G add-on)
🎁 May 2026: 11th month (Pay $7 mth for the 5G add-on)
🎁 Jun 2026: 12th month (Pay $7 mth for the 5G add-on)
✔️ Jul 2026: From 13th month onwards, billing reverts back to usual $22.10 /mth.

Note: You aren't required to pay for the first six months all at once. After paying for your pro-rated first month and the second month in advance during your SIM activation, you can simply pay your bill by monthly as usual for the subsequent months until your "promo months" begin.

Roam POWER is essentially a Roam SMART plan ($15.10 /mth) that includes a 5G add-on ($7.00 mth) that transforms all local data into 5G connectivity. This total up to a monthly subscription of $22.10.

With this promotion, a $15.10 discount will be applied to your account during the designated "promo months." (Note: Add-on is chargeable)

For example, if you port in your number on July 15, 2025, for a Roam POWER 5G plan ($22.10/month):
✔️ You'll pay the full monthly subscription for the first 6 months.
✔️ For the next 6 months, you'll only pay $7 per month.

The breakdown
✔️ Jul 2025: (Pay for the prorate month)
✔️ Aug 2025: 2nd month (Pay $22.10)
✔️ Sep 2025: 3rd month (Pay $22.10)
🎁 Oct 2025: 4th month (Pay $22.10)
🎁 Nov 2025: 5th month (Pay $22.10)
🎁 Dec 2025: 6th month (Pay $22.10)
🎁 Jan 2026: 7th month (Pay $7 mth for the 5G add-on)
🎁 Feb 2026: 8th month (Pay $7 mth for the 5G add-on)
🎁 Mar 2026: 9th month (Pay $7 mth for the 5G add-on)
🎁 Apr 2026: 10th month (Pay $7 mth for the 5G add-on)
🎁 May 2026: 11th month (Pay $7 mth for the 5G add-on)
🎁 Jun 2026: 12th month (Pay $7 mth for the 5G add-on)
✔️ Jul 2026: From 13th month onwards, billing reverts back to usual $22.10 /mth.

Note: You aren't required to pay for the first six months all at once. After paying for your pro-rated first month and the second month in advance during your SIM activation, you can simply pay your bill by monthly as usual for the subsequent months until your "promo months" begin.

You're eligible for this promotion if you:

✔️ Activate a SIM card and submit your port-in request for an eligible plan at a physical store between July 1 -31, 2025.
✔️ Successfully complete your number port-in by Aug 31, 2025
✔️ Please note: your number must be ported from a non-Singtel network operator.

You're eligible for this promotion if you:

✔️ Order a SIM card for an eligible plan at www.zym.sg between July 1 - 31, 2025.
✔️ Successfully complete your number port-in by Aug 31, 2025.
✔️ Please note: your number must be ported from a non-Singtel network operator.

During your "promo months", you will be exempt from paying the subscription plan fee for your eligible plan only. Any additional add-on purchased or per-per-use services are chargeable.

Please do not do this. Doing so will immediately void your eligibility for the"promo months"

Please do not do this. Doing so will immediately void your eligibility for the "promo months"

No, the free credits provided to offset your plan subscription are not transferable to another person and cannot be cashed out or exchanged for monetary value. These credits are intended solely for the direct use of the eligible customer on their subscribed plan.

If your subscribed plan is terminated or becomes inactive, any remaining promotional credits intended for the "promo months" will be immediately voided.