Frequently Asked Questions (FAQ)

How can I activate eSIM on an iPhone?


You can add CELITECH’s Cellular Data eSIM on any eSIM-enabled iPhone (XR or newer models) using the following steps. Make sure your phone is connected to the internet (e.g. on Wi-Fi) then:

1. Open the camera app, Scan the eSIM QR code, and Tap “Cellular Plan“.

If your camera app didn’t detect the eSIM QR code, make sure "Scan QR Codes" is "On" in “Settings → Camera“.

2. Tap “Continue“.

It may take up to 20 seconds to proceed.

3. Now your eSIM setup.

Click “Done” to choose labels for each of your cellular plans

4. Select “Primary” as Default Line for Voice and SMS, then tap “Continue“.

5. Tap “Continue“.

6. Select "Business" for Cellular Data. Tap “Continue”. Other labels used for eSIM are: "Travel", "Secondary", and "Cellular Data".

7. After your eSIM setup is complete, make sure that your eSIM “Data Roaming” is turned ON by going to “Settings → Cellular → “Business” then activate Data Roaming.

How can I activate eSIM on an Android device?


For Android devices that are eSIM-enabled, make sure your phone is connected (e.g. to Wi-Fi) then:

  • Go to Settings then tap “Network & internet” or “Connections”
  • Tap on SIM card manager
  • Select Add Mobile Plan (or “+”)
  • Select “Scan Carrier QR Code” (or tap “Don’t have a SIM card”)
  • Scan the provided eSIM QR code
  • When your plan is registered, select “OK” to turn on the plan
  • Now that you have activated your eSIM, you can view it in SIM card manager
  • Turn on eSIM under Mobile Network
  • Enable “Mobile Data” and “Data Roaming”

For certain countries, APN needs to be updated on Android devices as illustrated in the next point.

For Android devices, which countries require an APN update?


Users of Android devices (like Samsung, Google, etc.) need to update the APN for the following countries/regions.

Country/Region APN
Afghanistan, Argentina, Azerbaijan, Bahrain, Belarus, Belize, Bhutan, Bolivia, Bosnia And Herzegovina, Botswana, Brazil, Brunei, Cameroon, Cape Verde, Chad, Chile, Colombia, Congo, Costa Rica, Cote d'Ivoire, Dominican Republic, East Timor, Ecuador, Egypt, El Salvador, Fiji, Greenland, Guam, Guatemala, Guinea, Guinea-Bissau, Honduras, Iran, Kosovo, Laos, Liberia, Macedonia, Mauritius, Mexico, Moldova, Monaco, Mongolia, Mozambique, Nepal, Netherlands Antilles, Nicaragua, Oman, Panama, Paraguay , Peru, Poland, Saudi Arabia, Seychelles, South Africa, South Korea, Sri Lanka, Sudan, Swaziland, Trinidad and Tobago, UAE, Uruguay, Venezuela, Yemen, Zambia, Latin America (14 countries) globaldata
Anguilla, Antigua and Barbuda, Aruba, Bahamas, Barbados, Bonaire, British Virgin Islands, Cayman Islands, Curacao, Dominica, Grenada, Haiti, Jamaica, Montserrat, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Turks and Caicos Islands, Caribbean (14 countries) altanwifi

To update the APN on Android devices for the above countries:

  1. Go to Settings > Connections > Mobile Networks
  2. Select Access Point Names
  3. Select Add or the + sign to add a new APN and set it as globaldata or altanwifi (example shown below)
  4. Save your changes to return to the APN’s menu and choose the new APN (ensure the APN that you created is selected on the Access Point Name screen)

Which devices support eSIM?


The mobile devices that support eSIM currently include (as of Sep. 2022):

Apple iPhones:

  • iPhone 14 (all models)
  • iPhone 13 (all models)
  • iPhone 12, 12 Pro, 12 Pro Max, 12 Mini
  • iPhone SE
  • iPhone 11, 11 Pro, 11 Pro Max
  • iPhone XS, XS Max
  • iPhone XR

Android iPhones:

  • Google: Pixel 6, 5, 4, 4a, 3 & 3XL, 2
  • Samsung: Galaxy S22, S21, Note 20, 20+, Galaxy S20, S20+, S20 Ultra, Fold, Z Fold, Z Flip
  • Huawei: Mate 40 Pro, P40, P40 Pro
  • Oppo: A55s, Find X5 Pro, Find X5, Reno 6 Pro, Reno 5A,Find X3 Pro
  • Motorola: Razr 5G, Razr 2019
  • Rakuten: Big, Big-S, Mini
  • Other phones: Sony Xperia 10 III Lite, Nuu Mobile X5, Gemini PDA, Lenovo Yoga 630, etc.


  • iPad (starting 7th generation)
  • iPad Pro (starting 1st generation)
  • iPad Air (starting 3rd generation)
  • iPad mini
  • Microsoft Surface (Go, Pro, Pro X), etc.


  • HP: Elitebook G5, Probook, Zbook, Specture
  • Acer: Swift 3, 7
  • Dell: Latitude starting 7210
  • Samsung: Galaxy Book 2

How secure is eSIM?


eSIM is as secure as SIM cards as it utilizes the same encryption and authentication protocols. Actually in some aspects eSIM is more secure than SIM cards because it cannot be physically swapped.

Do I get a mobile number with my cellular data eSIM?


Cellular data eSIM doesn’t offer mobile numbers for calling or SMS. But you can use all your mobile apps that provide calling and texting including FaceTime, WhatsApp, iMessage, Zoom, Skype, etc.

Can I keep my primary line on while using eSIM?


Of course. Most eSIM devices support having two lines active at the same time. So you can keep your primary line “on” for calls/text, while you can use eSIM for cellular data. Just make sure your data roaming on the primary line is not activated to avoid roaming charges.

How can I activate eSIM using a manual activation code?


For eSIM-enabled iPhones (e.g. XR or newer models), you may manually activate Celitech eSIM by going to:

Settings > Cellular > Under Cellular Plans tap “Add Cellular Plan” > tap “Enter Details Manually” then under:

  • SM-DP+ Address: fill this field with
  • Activation Code: fill this field with the provided activation code (format XXXXX-XXXXX-XXXXX-XXXXX)

How can I deactivate eSIM on my iPhone?


Go to Settings > Cellular > under Cellular Plans click on the eSIM plan > Toggle “Turn On this Line”.

How can I confirm that my phone is unlocked?


For iPhones (iOS 14 or later), this is how you can check:

  • Open “Settings” and scroll down and tap on “General” then select “About”
  • Scroll down to “Carrier Lock” if you see “No SIM Restrictions” then your iPhone is unlocked

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