Halfsim
Android eSIM installation guideBased on Galaxy (One UI) screens. Menu names may vary slightly by device.
• Make sure you're on a stable Wi-Fi or data connection.• Once installed, the eSIM can't be moved to another device, so install it on the phone you'll use.• You can't install during a call. Please wait until the call ends.• If you have a previously used eSIM, delete it or turn it off.
One-click installation
If you installed the eSIM directly on your phone, continue from Step 3.
Step 1
SettingsConnectionsSIM manager
Tap Add eSIM > Scan QR code.
SIM manager
SIM card
SIM 1+82 10-1234-5678
eSIM
Add eSIMDownload an eSIM to connect to a mobile network without a physical SIM card.
Choose how to add an eSIM
Move SIM from another phone
Scan QR code
Search for eSIM
Step 2Scan the QR code.
Scan QR code
🔳
Enter Activation Code
Step 3Tap the Add button.
Add eSIM?Your phone will connect to the carrier's network.
Add
Hang tight
It may take a moment for setup to complete.
Step 4
Tap the Next button.This screen may be skipped depending on your device.
Edit SIM name and icon
SIM 1+82 10-1234-5678
eSIM 1No phone number
Next
Step 5
Set the SIM for calls and messages to 'SIM 1', then tap Next.This screen may be skipped depending on your device.
SIM for calls
Always ask
SIM 1
eSIM 1
Next
Step 6Set the SIM for data to 'SIM 1', then tap Done.
SIM for data
SIM 1
eSIM 1
Data switchingSwitch to the other SIM when your mobile data SIM can't connect to mobile data.
Done
Installing at your destination?
If you won't be using data at home, set the SIM for data to 'eSIM 1'.
Step 7
SettingsConnectionsSIM manager
Check that eSIM 1 has been registered successfully.
SIM manager
SIM card
SIM 1+82 10-1234-5678
eSIM
eSIM 1No phone number
eSIM 1 starts out turned on
If you'd like to save battery, keep it off until you arrive at your destination, then turn it back on.
eSIM installation complete!Once you arrive at your destination, continue with the settings below.
Hills Inc.
CEO: Injung ChungBusiness registration no.: 151-88-02565E-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.