How to Activate eSIM on Android (Samsung, Pixel & More)
Activating an eSIM on your Android phone is quick and easy. Here's how to do it on Samsung Galaxy, Google Pixel, and other Android devices.

Before You Start
Make sure you have:
- ✅ An eSIM-compatible Android phone
- ✅ A stable internet connection (WiFi recommended)
- ✅ Your eSIM QR code from your provider
- ✅ An unlocked phone (not carrier-locked)
Activating eSIM on Samsung Galaxy
Samsung Galaxy S Series & Z Series
Step 1: Open SIM Manager
- Open Settings
- Tap Connections
- Tap SIM card manager (or SIM manager on newer models)
Step 2: Add eSIM
- Tap Add eSIM or Add mobile plan
- Select Scan carrier QR code
Step 3: Scan Your QR Code
- Point your camera at the QR code provided by Teraroma or your eSIM provider
- Wait for the profile to be recognized
Step 4: Confirm Installation
- Tap Confirm to add the plan
- Wait for the download to complete (1-3 minutes)
- The eSIM will appear in your SIM manager
Step 5: Configure
- Choose which SIM to use for Calls, Messages, and Mobile data
- For travel eSIMs, set the eSIM as your Mobile data line
- Enable Data roaming if traveling internationally
Samsung-Specific Tips
- One UI 5+: Samsung redesigned the SIM manager interface; look for a "+" button to add eSIM
- Samsung Account: Not required for eSIM installation
- Dual SIM mode: Samsung phones support using physical SIM + eSIM simultaneously
Activating eSIM on Google Pixel
Step 1: Access SIM Settings
- Open Settings
- Tap Network & internet
- Tap SIMs
Step 2: Download eSIM
- Tap the + button or Download a SIM instead
- Select Next on the "Download a SIM?" screen
Step 3: Scan QR Code
- Point your Pixel's camera at the QR code
- Wait for the profile to be recognized
- Tap Download to install the profile
Step 4: Activate
- Tap Settings when prompted
- Select the new eSIM as your preferred data line
- Toggle Mobile data on for the eSIM
- Enable Roaming if needed
Pixel-Specific Notes
- Pixel 2-3: eSIM support may be limited to Google Fi
- Pixel 3a+: Full eSIM support with any compatible carrier
- Pixel 8+: Support for multiple active eSIM profiles
Activating eSIM on Other Android Phones
OnePlus
- Settings → Mobile Network → Add eSIM
- Scan QR code and follow prompts
Xiaomi
- Settings → SIM cards & mobile networks → Add eSIM
- Scan QR code and confirm
Motorola
- Settings → Network & Internet → Mobile network
- Tap Advanced → Carrier → Add carrier
- Scan QR code
Oppo
- Settings → SIM card & mobile data → Add eSIM
- Scan QR code and install
How to Switch Between SIMs on Android
Setting Default Data SIM
- Go to Settings → Connections (Samsung) or Network & Internet (Pixel)
- Tap SIM manager or SIMs
- Under Mobile data, select your preferred SIM/eSIM
Setting Default Call/SMS SIM
- In the same SIM manager
- Tap Calls and choose your preferred line
- Tap Text messages and choose your preferred line
Removing an eSIM from Android
On Samsung
- Settings → Connections → SIM manager
- Tap the eSIM profile
- Tap Remove
On Google Pixel
- Settings → Network & internet → SIMs
- Select the eSIM
- Tap Erase SIM
⚠️ Removing an eSIM is permanent — you'll need a new QR code to reinstall.
Troubleshooting Android eSIM Issues
"No eSIM option in settings"
- Verify your phone model supports eSIM
- Check for software updates — some phones received eSIM support via updates
- Confirm your phone isn't carrier-locked
"eSIM download failed"
- Check your WiFi connection
- Restart your phone and try again
- Ensure the QR code hasn't expired
- Try entering details manually instead
"eSIM installed but no signal"
- Enable Data Roaming in the eSIM settings
- Toggle Airplane Mode on/off
- Make sure the eSIM is selected for Mobile Data
- Check if you're in a coverage area
- See our full troubleshooting guide
Pro Tips for Android eSIM Users
- Install before traveling: Download your eSIM while on stable WiFi at home
- Label your eSIMs: Give each eSIM a recognizable name (e.g., "Japan Travel")
- Disable home data abroad: Turn off mobile data on your home SIM to prevent roaming charges
- Screenshot your QR code: Save it before deleting the email, just in case
- Check APN settings: Some eSIMs require manual APN configuration — your provider will supply these
Get Your eSIM Now
Browse Teraroma's eSIM plans for 190+ countries. Get your QR code in seconds and follow the guide above to activate in minutes.
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