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eSIM user guide
From installation to troubleshooting, step by step.
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Installation guide
How to install and set up your eSIM
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What to check when data isn't working
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Installation guide
How to install and set up your eSIM
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Troubleshooting guide
What to check when data isn't working
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Hills Inc.
CEO: Injung Chung
Business registration no.: 151-88-02565
E-commerce registration no.: 2023-Yongin Giheung-2947
Address: 703-m112, 7F, 9, Gangnamseo-ro, Giheung-gu, Yongin-si, Gyeonggi-do, Republic of Korea (16977)
Customer service: support@halfsim.com / 070-7954-9180
© 2026 Hills Inc. All rights reserved.
