eSIMs are currently the best on the market if you're running moves, and in this tutorial, I will show you a simpler way to activate mobile data without dealing with physical SIM cards. The good news is that eSIM technology makes that possible. In this guide, I'll walk you through a complete Unlimited eSIM tutorial for iPhone and Android devices.
The platform we will be using is Ultra mobile because it offers one of the most affordable prepaid plans on T-Mobile's network, which provides flexible options for budget-conscious users.
Requirement for the eSIM
- Make sure your Android or iOS device is unlocked and compatible with T-Mobile's network bands.
Your device should support eSIM, including:
- iPhone XR, XS, XS Max
- iPhone 11, 12, 13, 14, 15 series
- iPhone SE (2nd gen and later)
- Good VPN, I recommend sock5
- BIN: 517572
- You will create an email with the card details
Unlimited eSIM Tutorial for iPhone and Android Devices (Ultra Mobile Guide)
1. Put your IP on and go to the ultra mobile website: https://www.ultramobile.com/
2. Click on the plan button and choose any Unlimited plan that supports eSIM. (For example, I am going with the 8Gb plan)
3. Select the plan duration you prefer, for example, let me go for the 12-month plan.
4. Ensure you select the eSIM option here with your device Model and brand, and then click on Add to Cart.
5. Now, put your Card zip code here and click on Update Total
6. You will get your Order Summary. Just click on Proceed to Checkout
7. Go ahead and enter the card details, including your billing address
8. Enter card details by typing, don't copy and paste, then click on place order
9. Once the payment goes through, check the email you used for the order. Ultra Mobile will send your QR code or activation code instantly.
How to Install Ultra Mobile eSIM on an iPhone
- First, open your iPhone's eSIM Setup Section.
- Then, Go to Settings
- Tap Cellular or Mobile Data
- Select Add eSIM / Add Cellular Plan
- Scan the Ultra Mobile QR Code or Enter Activation Code Manually
- Ensure to turn on Data roaming with your Vpn on
- Then ADD wIFI Calling.
- This page will show up for you to enter an address, check your email for it, and enter it accordingly
- Select Turn On This Line
- Set it as Primary (or Secondary if you want dual SIM)
- Enable 5G Auto for the best speed
You should now see signal bars and the Ultra Mobile network name.
How to Install Ultra Mobile eSIM on Android Devices
Before you install an eSIM on your Android device, ensure that it supports it, for example, Google Pixel 3–8 series, Samsung Galaxy S20, S21, S22, S23, S24, Samsung Z Flip / Z Fold series, some Motorola, Oppo, and Huawei models.
- Then go to your phone's Settings
- Click on Connections
- Select SIM Manager
- And Add Mobile Plan → Scan QR Code
- Recognise the Ultra Mobile eSIM
- Download the profile
- It will prompt you to activate.
- Then tap Activate and leave the phone connected to WiFi during the setup.
- Once your Ultra Mobile eSIM is installed:
- Turn on Mobile Data
- Set Ultra Mobile as your default data line
- Restart your phone if needed
- Within a minute or two, your device should connect to Ultra Mobile's network.
If the eSIM device doesn't activate, try:
1. Reset Network Settings
- iPhone: Settings → General → Transfer/Reset → Reset Network Settings
- Android: Settings → System → Reset Options → Reset Network
If the issues persist, you can turn on Aeroplan mode for a few seconds and turn it off or better still, contact Ultra Mobile Support.
Final Thoughts
If you want fast, reliable, and unlimited data without physical SIM cards, Ultra Mobile's eSIM is one of the most comfortable solutions you can switch to. With this Unlimited eSIM tutorial for iPhone and Android devices, you should be able to set up your line in just a few minutes.
Whether you're travelling, starting a side hustle, or needing a backup line, eSIM makes staying connected simpler than ever.