Prepaid Internet

Choose from 3 / 6 / 12 month according to your needs!

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Perfect Case for Prepaid Internet!

Choosing Prepaid Internet Suiting Your Needs

Subscribe for as much as you need and withdraw automatically after use!
Extend freely if you need more!

Contract type 3 months 6 months 12 months
Prepaid Internet Essence
(Speeds up to 1 Gbps)
Discount 23%
Regular price: ₩178,200
One‑time payment of ₩136,400
(equivalent to
₩45,467 per month)
Discount 37%
Regular price: ₩356,400
One‑time payment of ₩224,400
(equivalent to
₩37,400 per month)
Discount 38%
Regular price: ₩712,800
One‑time payment of ₩444,400
(equivalent to
₩37,033 per month)
Contract type 3 months 6 months 12 months
Prepaid Internet Basic
(Speeds up to 500Mbps speed)
Discount 25%
Regular price: ₩151,000
One‑time payment of ₩114,400
(equivalent to
₩38,133 per month)
Discount 33%
Regular price: ₩303,600
One‑time payment of ₩202,400
(equivalent to
₩33,733 per month)
Discount 41%
Regular price: ₩607,200
One‑time payment of ₩356,400
(equivalent to
₩29,700 per month)
Contract type 3 months 6 months 12 months
Prepaid Internet Slim
(Speeds up to 100Mbps)
Discount 30%
Regular price: ₩132,000
One‑time payment of ₩92,400
(equivalent to
₩30,800 per month)
Discount 36%
Regular price: ₩264,000
One‑time payment of ₩169,400
(equivalent to
₩28,233 per month)
Discount 45%
Regular price: ₩528,000
One‑time payment of ₩290,400
(equivalent to
₩24,200 per month)
  • The prices above include service fees and equipment rental.
  • However, installation charges and an equipment deposit are charged separately. The equipment deposit is fully refundable once the equipment is returned.
  • For Prepaid Internet sign‑up: Installation fee: ₩36,000, equipment deposit ₩20,000.

It’s Easy to Subscribe to Prepaid Internet

Get your credit card ready and give us a call! That’s all it takes!
Credit card installment plans are also available

  • Internet speeds may vary depending on the installation location, network equipment, and devices.
  • Unlimited data is included, but if your daily usage exceeds 150GB, speeds may be limited to 100Mbps for the rest of that day.
  • Full gigabit speeds are available only if your PC LAN card or laptop network card supports gigabit internet.
  • No refunds are provided if you change your contract or cancel early for personal reasons.
    • In the event of early termination, service and Wi‑Fi fees for the remaining period are non‑refundable (refunds are only available if the provider is at fault).
  • The installation fee and equipment deposit are charged separately.
    • For Prepaid Internet sign‑up: Installation fee ₩36,000, equipment deposit ₩20,000.
    • For Prepaid Internet + Wi-Fi sign‑up: Installation fee ₩65,000, equipment deposit ₩65,000
    • For Prepaid Internet + Wi‑Fi (12‑month plan) sign‑up: Installation fee ₩36,000, equipment deposit ₩65,000
  • Modems and Wi‑Fi routers must be returned within 6 months after service cancellation at a nearby KT Plaza.
  • The equipment deposit will be fully refunded upon return. If the equipment is not returned, or is damaged or lost for reasons attributable to the customer, the deposit will be withheld.
  • The Wi‑Fi service provided with the Prepaid Internet + Wi‑Fi plan uses the GiGA WiFi Wave 2 device.
  • Prepaid Internet cannot be bundled with other services (such as IPTV or mobile).
  • Discounts are already included in prepaid plans, so additional discounts (family, welfare, installation fee discounts, etc.) do not apply.
  • Prepaid Internet plans cannot be converted; the prepaid internet Wi‑Fi plan is only available for new sign‑ups.
  • Service extensions must be requested by the expiration date through customer service or at a service center in person.
  • For phone support, please call the Global Call Center at 080‑448‑0100 (toll‑free).
    • Hours: Weekdays 9:00 AM – 6:00 PM (Lunch break 12:00–1:00 PM)