SIM & WiFi

Connectivity option

Pocket WiFi rental in South Korea 2026

Around ₩4,000 to ₩7,000 per day per device. 7-day rental ₩28,000 to ₩50,000. Group breakeven vs individual SIMs at 2 to 3 devices.

Rent a mobile hotspot device at the airport. Share one connection across up to 5 devices.

Pocket WiFi rental is the option for visitors whose phone cannot accept other SIMs (carrier-locked, often US prepaid or older Japanese carrier locks), or who travel as a small group with multiple devices to keep online. You rent a small mobile hotspot device at the airport, it connects up to 5 devices over WiFi, and you carry it for the duration of the trip. The provider gives you a pre-paid SIM inside the device + a battery that lasts roughly 6 to 10 hours of active use.

For solo travellers, pocket WiFi has fallen out of favour as eSIM and prepaid SIM became easier. For groups of 2 to 4 sharing, it still does math: one device for a 7-day trip costs roughly ₩30,000 to ₩50,000 total vs paying for multiple individual SIMs. The catch is operational - you carry an extra device, you charge it nightly, and you do not lose it (the provider charges a hefty replacement fee, often ₩100,000+).

Pickup is usually done online via Klook, Trazy, or directly via a Korean carrier rental service (KT olleh WiFi Egg, SKT T-Roaming). Reserve before the trip; the airport counter requires the reservation reference. Returns are at the same airport counter on departure - schedule 15 minutes for the return.

Best for

Phone is carrier-locked, or group of 2 to 4 sharing one connection. Travel with iPad / laptop alongside phone.

Setup

  1. Reserve online (Klook, Trazy, or carrier site) 1 to 3 days before arrival.
  2. Pick up at the airport counter on arrival. Show reservation + passport + credit card for deposit.
  3. Power on the device, connect your phone / iPad / laptop to its WiFi.
  4. Default password is on a sticker on the device. Change it if travelling in a group with shared access.
  5. Charge nightly. Carry the device + cable.
  6. Return at the airport counter on departure. Get the deposit back.

Where to get it

  • Klook (https://www.klook.com) - largest reservation platform, airport pickup vouchers.
  • Trazy (https://www.trazy.com) - similar, with hotel-delivery options.
  • KT olleh WiFi Egg counter - direct carrier rental at Incheon T1.
  • SKT T-Roaming counter at Incheon T1 and T2.

Pros

  • Connect up to 5 devices at once (phone + iPad + laptop + partner phone).
  • No SIM swap, no eSIM compatibility check.
  • Often cheaper for groups of 2 to 4 vs multiple SIMs.
  • Works on any device with WiFi - even older phones.

Cons

  • Extra device to carry, charge, not lose.
  • Battery lasts 6 to 10 hours; needs a daily top-up.
  • Loss / damage fee is steep (often ₩100,000+).
  • Round-trip pickup and return at the airport adds 30 minutes.
  • Single-point-of-failure: if the device runs out of battery, everyone in the group is offline.

Watch out for

  • Confirm the daily data cap. Some "unlimited" rentals throttle after 5 GB / day.
  • Battery dies mid-day if everyone in the group is streaming. Pack a power bank.
  • Replacement fee is steep on lost devices. Treat it like a passport.
  • Return queues at airport on departure can be 20 minutes during peak departure (evening flights).

Other 3 options at a glance

Sources

Last verified 2026-05-24.

Back to SIM & WiFi overview