SEIO Agent is an essential service app for using SKT USIM additional services (NFC, authentication, etc.).
- If the app is deleted or the service is suspended, the USIM additional service may not operate properly.
- Please note that it is not an individually operated app and cannot be executed directly, so please refer to this when using the service.
- After installation, please re-run apps that use USIM information such as PASS, mobile T-money, and Cashbee.
Inquiries: usp@sk.com
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Developer contact:
SK Telecom Co., Ltd. 65, Eulji-ro, Jung-gu (Euljiro 2-ga)
, Jung-gu, Seoul 04539
South Korea 1048137225 2004-Seoul Jung-gu-2923 Jung-gu, Seoul
※ SEIO Agent 3.8.3 update (12.16)
01. Target SDK version modification
※ SEIO Agent 3.8.1 update (1.11)
TargetSdk change according to Google policy
※ SEIO Agent 2.7.2 update
-targetSDK version modified
-NFC essentials deleted When you
※ SEIO Agent 2.7 update (9.23)-UICC
Carrier Privilege function enhancement
-HCI event reception function added
※ SEIO Agent 2.6.3 update (7.17)
- Improved channel occupancy Logic
※ SEIO Agent 2.6.2 update (7.4)
- Logical channel occupancy improvement
※ SEIO Agent 2.6.1 Update (6.1)
- Expansion of effective Logical channel range (1 ~ 3)
※ SEIO Agent 2.5.2 update (5.21)
- Corrected old USIM (NFC * - * 01) operation error
※ SEIO Agent 2.5.1 Update (11.10) - Change log output - Modify the Logical channel management part
※ SEIO Agent 2.5 update Added function to support NFC USIM of non-SKT terminal (need service app function addition (ex. MinSDK version change
※ SEIO Agent 2.0 Update (2017.08.01) Added function to support NFC USIM service of non-SKT terminal
After installing the service, please run the application that uses USIM information such as mobile texting, cashier, and smart touch.
