A Guide to eSIM on iPhone - SellUp - Blogs

A Guide To eSIM on iPhone

What is an eSIM?
An eSIM (embedded SIM) is a digital SIM that allows you to activate a mobile plan without needing a physical SIM card. It is built into your iPhone and can be used to connect to a network just like a traditional SIM card.

evolution of esim

Does Your iPhone Support eSIM?
Most recent iPhone models support eSIM, including:
- iPhone 16 series
- iPhone 15 series
- iPhone 14 series
- iPhone 13 series
- iPhone 12 series
- iPhone 11 series
- iPhone SE (2020 and 2022 models)

eSIM Providers in Singapore
Several telecom providers in Singapore support eSIM, including:

  • Singtel – Offers eSIM for both prepaid and postpaid plans.
  • StarHub – Provides eSIM for selected postpaid plans.
  • M1 – Supports eSIM activation for postpaid users.
If you’re considering switching to an eSIM, check with your provider to confirm eligibility and activation steps.

How to Set Up eSIM on Your iPhone
Setting up an eSIM on your iPhone is easy:

  1. Check if your network supports eSIM – Contact your mobile provider
  2. Obtain an eSIM activation QR code – Your provider will give you a QR code or a manual activation code.
  3. Go to Settings > Mobile Data and tap Add Mobile Plan.
  4. Scan the QR code or enter details manually.
  5. Activate the eSIM and set it as your primary or secondary number.
How to set up esim on your iPhone
Credits: MicroEsim

Advantages of eSIM
Using an eSIM comes with several benefits:

  • No need for a physical SIM card – No risk of losing or damaging your SIM.
  • Switch networks easily – You can change carriers without needing a new SIM card.
  • Dual SIM functionality – Use both an eSIM and a physical SIM for two different numbers on the same phone.
  • Eco-friendly – Reduces plastic waste as no physical card is needed.
  • Better security – Harder to remove or misuse compared to a traditional SIM.

Disadvantages of eSIM
Despite its advantages, eSIM has some drawbacks:

  • Not all carriers support eSIM – Some smaller providers may not offer it.
  • Switching phones can be harder – Unlike a physical SIM that you can swap, you need to reconfigure the eSIM on a new phone.
  • No physical backup – If your phone is damaged, accessing your number may require provider assistance.
  • Limited compatibility – Older phone models and some budget devices do not support eSIM.

Is eSIM Right for You?
An eSIM is great for people who:

  • Travel frequently and need multiple numbers.
  • Want the convenience of digital activation.
  • Prefer a clutter-free, eco-friendly option.

However, if you frequently switch phones or need a backup SIM, a physical SIM might still be a better choice.

Final Thoughts
eSIM technology is becoming more popular in Singapore, with major telcos offering support. If you own an eSIM-compatible iPhone, it might be worth considering the switch for its convenience and flexibility. Before making the change, check with your network provider to ensure you understand the setup process and any potential limitations.

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