| Notes |
-- In-network mobile-to-mobile calling refers to calls made between couples, family members, and friends who use olleh mobile phones. (Subscribers to a KT LTE plan before July 31th, 2012, will receive free in-network mobile-to-mobile calling forever.)
-- Subscribers who subscribe to LTE-520 or higher by September 1, 2012 will receive the ability to rollover remaining monthly data.
Subscribers who subscribe to LTE-520 or higher from August 1, 2012 will also receive data rollover.
Video calls are charged at a rate of 1.66x compared to voice minutes. (1 video calling minute = 1.66x voice minutes)
Data rates outside of plan provision:
[Option 1] Discounted metered rate: Usage exceeding the data provided in the plan is charged at a 60% discount rate of (W0.01 per 0.5KB).
Usage exceeding the data provided in the plan by 1.22GB to 5GB will be charged a flat rate of W25,000.
The maximum charge for data usage exceeding that provided in the plan is W150,000.
[Option 2] QoS Safety option: Any usage exceeding the data provided in the plan is reduced to a maximum speed of 400Kbps, and will be charged a flat rate of W9,000.
[Option 3] Safety shut-off option: Once you reach the limit of the data allotment provided in the plan, data usage for the remainder of the month is turned off to prevent overage charges. You can add additional data in the following amounts:
 500MB / W8,000  1GB / W13,000  2GB / W18,000
(Additional 20% "Safe-Zone" is not offered with this option.)