Install and activate your eSim

How to Install & Activate Your eSIM

How to Install & Activate Your eSIM

Follow these quick steps to install your eSIM and get online fast. You can install over Wi-Fi before you travel and switch it on at your destination.

Device: Must support eSIM. CHECK COMPATIBILITY ->
Connection: Use a stable Wi-Fi network for setup.
Do not delete: Don’t remove the eSIM after install.
Start at destination: Turn on data roaming when you arrive.

Select the device which you are going to install an eSIM on

▶ iPhone — QR Code Guide

Install the eSIM ℹ︎ Scroll Down For Visual Guide

  1. Open your eSIM email on another device or print it so your iPhone is free to scan.
  2. On iPhone: Settings → Cellular / Mobile Data → Add eSIM / Add Data Plan.
  3. Select Use QR Code and scan the QR from our email.
  4. Tap Continue (iPhone detects the plan) → Done.
  5. Pick a label (e.g., Roamzi eSIM)
Tip: Install on Wi-Fi and enable at your destination.

Activate & Enable Data

  1. Settings → Cellular / Mobile Data → select your eSIM line → Turn On This Line.
  2. Enable Data Roaming for the eSIM.
  3. Set the eSIM as your Mobile Data line.
  4. (Optional) Turn off Allow Cellular Data Switching to prevent switching.
iPhone QR code installation guide

Troubleshooting

  1. No signal / no data: ensure Data Roaming is on, eSIM line is On, and you’re in the destination country. Try manual network selection.
  2. QR code won’t scan: use the manual entry method with SM-DP+ & activation code from your email.
  3. Phone can’t find the plan: confirm device supports eSIM and is unlocked. Restart the phone and try again.
  4. Keeps switching data lines: disable Allow Cellular Data Switching.
  5. Deleted the eSIM: removing the eSIM will cancel your data plan and you will need to purchase a new data plan.
▶ iPhone — Manual Guide

Install the eSIM ℹ︎ Scroll Down For Visual Guide

  1. Go to Settings → Cellular / Mobile Data → Add eSIM.
  2. Select QR Code and choose Enter Details Manually.
  3. Paste the SM-DP+ address and activation code from our email.
  4. Tap Next and follow the prompts. Label the plan and set as your data line if desired.

Activate & Enable Data

  1. Settings → Cellular / Mobile Data → select your eSIM line → Turn On This Line.
  2. Enable Data Roaming for the eSIM.
  3. Set the eSIM as your Mobile Data line.
  4. (Optional) Turn off Allow Cellular Data Switching to prevent switching.
iPhone manual entry eSIM guide

Troubleshooting

  1. No signal / no data: ensure Data Roaming is on, eSIM line is On.
  2. Activation code error: re-paste carefully (no extra spaces).
  3. Phone can’t find the plan: confirm eSIM support and that the phone is unlocked.
  4. Keeps switching data lines: disable Allow Cellular Data Switching.
  5. Deleted the eSIM: removing the eSIM will cancel your data plan and you will need to purchase a new data plan.
▶ Samsung — QR Code Guide

Install the eSIM ℹ︎ Scroll Down For Visual Guide

  1. Open Settings → Connections → SIM manager.
  2. Tap Add eSIM → Scan QR code.
  3. Scan the QR from our email, then tap Install / Add.
  4. Toggle the eSIM line On and set it as Preferred SIM for Mobile data if needed.
Tip: Install on Wi-Fi and enable at your destination.

Activate & Enable Data

  1. Settings → Mobile Network / SIM manager → toggle the eSIM On.
  2. Turn on Data Roaming.
  3. Choose the eSIM as Preferred SIM for Mobile Data.
  4. (Optional) Turn off Auto switch to prevent switching.
Samsung QR code installation guide

Troubleshooting

  1. No signal / no data: ensure eSIM line is On and roaming is enabled; try manual network selection.
  2. QR code won’t scan: use Enter activation code with SM-DP+ & activation code.
  3. Phone can’t find the plan: confirm device supports eSIM and is unlocked; restart and retry.
  4. Keeps switching data lines: disable Auto switch.
  5. Deleted the eSIM: removing the eSIM will cancel your data plan and you will need to purchase a new data plan.
▶ Samsung — Manual Guide

Install the eSIM ℹ︎ Scroll Down For Visual Guide

  1. Settings → Connections → SIM manager → Add eSIM.
  2. Select QR Code and choose Enter Activation Code.
  3. Enter the activation code from our email.
  4. Finish setup, toggle the eSIM On, and select it for Mobile data.

Activate & Enable Data

  1. Settings → Mobile Network / SIM manager → toggle the eSIM On.
  2. Turn on Data Roaming.
  3. Choose the eSIM as Preferred SIM for Mobile Data.
  4. (Optional) Turn off Auto switch.
Samsung manual setup eSIM guide

Troubleshooting

  1. No signal / no data: ensure roaming is on and try manual network selection.
  2. Activation code error: re-enter carefully (no extra spaces).
  3. Phone can’t find the plan: verify eSIM support/unlocked status; reboot.
  4. Keeps switching data lines: disable Auto switch.
  5. Deleted the eSIM: removing the eSIM will cancel your data plan and you will need to purchase a new data plan.
▶ Google Pixel — QR Code Guide

Install the eSIM ℹ︎ Scroll Down For Visual Guide

  1. Settings → Network & internet → SIMs.
  2. Tap + Add SIM → choose Download a SIM instead.
  3. Tap Next → Scan QR code and scan from our email.
  4. Tap Download → Done, then set as Mobile data line.
  5. Wait for installation, then enable your eSIM to start to use.
Tip: Install on Wi-Fi and enable at destination.

Activate & Enable Data

  1. Settings → Network & internet → SIMs → toggle the eSIM On.
  2. Turn on Data Roaming.
  3. Choose the eSIM as Preferred SIM for Mobile Data.
  4. (Optional) Toggle Airplane mode off/on if data doesn’t start.
Google Pixel QR code installation guide

Troubleshooting

  1. No signal / no data: verify roaming is enabled and eSIM is default for data; try manual carrier.
  2. QR code won’t scan: use Use activation code instead.
  3. Phone can’t find the plan: confirm eSIM support/unlocked; restart.
  4. Keeps switching data lines: disable any auto-switching feature.
  5. Deleted the eSIM: removing the eSIM will cancel your data plan and you will need to purchase a new data plan.
▶ Google Pixel — Manual Guide

Install the eSIM ℹ︎ Scroll Down For Visual Guide

  1. Settings → Network & internet → SIMs → + Add SIM.
  2. Choose Download a SIM instead.
  3. On the Scan QR code step choose Need Help?.
  4. Choose Enter it manually and add activation code from our email.
  5. Tap Download → Done, then set as Mobile data line.

Activate & Enable Data

  1. Settings → Network & internet → SIMs → toggle the eSIM On.
  2. Turn on Data Roaming.
  3. Choose the eSIM as Preferred SIM for Mobile Data.
  4. (Optional) Toggle Airplane mode if needed.
Google Pixel manual setup eSIM guide

Troubleshooting

  1. No signal / no data: make sure eSIM is enabled and preferred for data.
  2. Activation code rejected: re-paste carefully (no extra spaces).
  3. Phone can’t find the plan: confirm device is unlocked; reboot and retry.
  4. Keeps switching data lines: disable auto-switch.
  5. Deleted the eSIM: removing the eSIM will cancel your data plan and you will need to purchase a new data plan.
▶ Other Android — QR Code Guide

Install the eSIM ℹ︎ Scroll Down For Visual Guide

  1. Open Settings → Network & internet / Mobile network.
  2. Tap Add eSIM / Add mobile plan → Scan QR code.
  3. Scan the QR from our email and Install.
  4. Enable the eSIM line and set as Preferred for Mobile data.
Tip: Install on Wi-Fi; enable data only at your destination.

Activate & Enable Data

  1. Settings → Mobile Network / SIMs → toggle the eSIM On.
  2. Turn on Data Roaming.
  3. Choose the eSIM as Preferred SIM for Mobile Data.
  4. (Optional) Disable any auto-switching features.

Troubleshooting

  1. No signal / no data: toggle Airplane mode; try manual carrier selection.
  2. QR code won’t scan: use Enter details manually with SM-DP+ & code.
  3. Phone can’t find the plan: confirm eSIM support/unlocked; reboot and retry.
  4. Keeps switching data lines: turn off any auto-switch features.
  5. Deleted the eSIM: removing the eSIM will cancel your data plan and you will need to purchase a new data plan.
▶ Other Android — Manual Guide

Install the eSIM ℹ︎ Scroll Down For Visual Guide

  1. Go to Settings → Network / SIMs / eSIM (names vary).
  2. Choose Add eSIM → Enter details manually.
  3. Enter SM-DP+ and Activation code from our email.
  4. Complete setup and toggle the eSIM On.

Activate & Enable Data

  1. Settings → Mobile Network / SIMs → toggle the eSIM On.
  2. Turn on Data Roaming.
  3. Choose the eSIM as Preferred SIM for Mobile Data.
  4. (Optional) Disable auto-switch to avoid data hopping.

Troubleshooting

  1. No signal / no data: reboot, then try manual network selection.
  2. Activation code error: re-paste carefully; avoid extra spaces.
  3. Phone can’t find the plan: make sure device supports eSIM and is unlocked.
  4. Keeps switching data lines: turn off auto-switch features.
  5. Deleted the eSIM: removing the eSIM will cancel your data plan and you will need to purchase a new data plan.

Need more data for your existing eSim? Topping-up is simple! To top up your eSim, visit the “My eSims & Top-up” section of your account, select the desired data plan from the top-up options. Your additional data will be automatically active immediately after payment. No restarts or scans needed — just keep browsing, streaming, and staying connected.

Need help? We’re here 24/7. Chat with us or email support@getroamzi.com.