By Jenefey Aaron

Updated on 2025-09-16

100 % Helpful

How to Fix Esim not Working on iPhone 17| Soultion & Prevention

By Jenefey Aaron

2025-09-16 / iPhone 17

Setting up an eSIM on iPhone 17 should be simple however, issues such as "esim not working on iphone 17” make the procedure difficult. This problem affects a lot of people, particularly while travelling or changing carriers.

Fortunately, fixing it is simple. We'll cover seven practical ways to get your eSIM operating properly in this tutorial, along with advice on how to prevent such issues in the future.

Part 1. Why isn't eSIM working on new iPhone?

Part 2: How to Solve eSIM Not Working on iPhone 17

1.One-click Fix Esim not Working on iPhone 17 via Pro Tools [Without Data Loss]HOT
2. Start with the Easy Stuff
3. Test Your Network
4. Quick Fixes with Restart and Toggles
5. Double-Check eSIM Setup
6. Dig Deeper into Settings
7. Reach Out for Help

Part 3: How to Avoid eSIM Not Working on iPhone 17

Part 4: FAQ About eSIM Not Working on iPhone 17

Final Word

Part 1. Why isn't eSIM working on new iPhone?

Setting up an eSIM on the iPhone 17 can sometimes be frustrating. You might see messages like “esim not working after ios update” or notice that your phone has no signal.

Here are the common reasons why this can happen:

Some carriers don’t allow eSIM transfers between devices.
Older iPhone models may not fully support eSIM technology.
Outdated iOS on either device can cause activation problems.
Issues with your cellular account, like unpaid bills or plan restrictions.
Weak or unstable network connections can stop eSIM activation.
Security restrictions, such as mdm or work profiles, may block eSIM use.
Incorrect settings, like disabled Wi-Fi or Bluetooth, can interfere with transfer.

Part 2: How to Solve eSIM Not Working on iPhone 17

1.One-click Fix Esim not Working on iPhone 17 via Pro Tools [Without Data Loss]

eSIM problems on iPhone 17 can be frustrating, especially when activation fails or the phone shows “SIM not supported for eSIM transfer.” One of the easiest ways to fix this is using Tenorshare ReiBoot. This tool is designed to repair iOS issues quickly and safely, without losing your apps, messages, or photos.

It works with the latest iOS versions and can fix over 150 common problems, making it a reliable choice for restoring normal iPhone functionality and getting your eSIM working again.

Why Tenorshare ReiBoot Helps:

Repairs system issues while keeping your photos, messages, and apps intact.
One-click iOS downgrade or upgrade without complicated steps.
Fixes over 150 iOS problems including black screen, stuck Apple logo, and boot failures.
Fully compatible with iOS/iPadOS 26 and the latest updates.
Allows easy backup before repair and restores data afterward.

to fix esim not working after ios update Using Tenorshare ReiBoot:
Download and Install the software on your computer and connect your iPhone 17. Click “Start Repair”.

Select “Standard Repair” to fix common iOS issues without erasing data.

ReiBoot will detect the correct firmware for your device. Click “Download.”

Click “Start Standard Repair” after the firmware downloads. Your iPhone will restart, and eSIM issues should be resolved.

2. Start with the Easy Stuff

Sometimes, the problem is minor and can be fixed in a few clicks. Check your eSIM QR code first. A used or invalid QR code can prevent activation.

Make sure the QR code provided by your carrier hasn’t been used before.

If you see messages like “eSIM Cannot Be Added” or “Cellular Plan Cannot Be Added”, contact your carrier for a new QR code.

3. Test Your Network

A weak or unstable network can prevent eSIM activation or cause esim disappeared from iphone.

Connect to a strong Wi-Fi network or ensure a stable cellular connection.
Turn off Wi-Fi and cellular, then turn them back on.
Try adding the eSIM again.

4. Quick Fixes with Restart and Toggles

Restarting your iPhone can often clear temporary glitches caused by updates like esim not working after ios update or minor software issues.

Hold the power button until the Slide to Power Off appears.
Slide it to the right, and press the power button until you see the apple logo.
After the restart, check to see if your eSIM reappears.

Toggle Airplane Mode on and off to refresh the network connection.

5. Double-Check eSIM Setup

Even after scanning a QR code or transferring an eSIM, it can sometimes be inoperable or "disappear" if the relevant setting has not been properly completed in the systems.

Many users have reported recently that the eSIM disappeared from iPhone shortly after an iOS update because it was not activated completely or the settings were configured incorrectly.

to Verify and Complete eSIM Setup:
Open Settings on your iPhone and go to Cellular or Mobile Data.
Check under Cellular Plans for your eSIM. If it isn’t listed, it hasn’t been activated properly.
Use the QR code provided by your carrier to add the eSIM again. Make sure to follow all on-screen instructions carefully.

After that, if you are a dual SIM user, select eSIM as your primary or secondary line.
Make a call, send a message, or check mobile data to ensure the eSIM is functional.

6. Dig Deeper into Settings

Another cause of the no add esim option on iphone 16 problem might be from the outdated settings of your iPhone or its carrier configurations. Updating these may fix any network-related problems and help your eSIM function properly.

to Update Carrier Settings:
Open the Settings app on your iPhone.
Go to General > About.
If a carrier settings update is available, a prompt will appear. Tap Update.
Wait for the update to complete and restart your iPhone.
Check Settings > Cellular to confirm your eSIM is active and working.

7. Reach Out for Help

Despite performing all the troubleshooting steps, the eSIM may still not work or disappear from the iPhone. The best option, in such a case, is to visit a professional technician so that further complications can be avoided.

Contact your carrier to ensure that the eSIM you are using can be activated and is compatible with your iPhone. If the carrier provides the green light, then you should contact Apple Support. Mention your iPhone model, iOS version, and explain the issue you are encountering.

Part 3: How to Avoid eSIM Not Working on iPhone 17

Preventing eSIM issues is easier than fixing them. By following a few simple steps, you can make sure your eSIM works smoothly.

1. Pick the Right Device and Carrier

Not all iPhones and carriers support eSIM in every region. To avoid problems: Make sure your iPhone model supports eSIM. Models from iPhone XS and newer usually do.

2. Keep Your iPhone Ready

Your iPhone should be updated and in good working condition to avoid eSIM issues.

3. Set Up eSIM Correctly

Proper setup reduces the chance of errors or the eSIM disappearing.

4. Stay on Top of Network Settings

Keeping network and carrier settings updated helps avoid eSIM problems.

Part 4: FAQ About eSIM Not Working on iPhone 17

1. Why is my iPhone not reading eSIM? Your iPhone may not detect the eSIM if carrier settings are old. Go to settings and click on General > About and tap the carrier version to update.

2. Are there issues with eSIM? Usually, eSIM works like a normal SIM, but sometimes network or carrier issues can cause glitches.

3. Which regions don’t support eSIM on iPhone 17? eSIM is not available in mainland China, Hong Kong, and Macao. In other regions, availability depends on your carrier.

Final Word

Fixing eSIMs that don't work at all on iPhone 17 is a simple task with proper tools. Checking carrier settings, updating iOS, and setting up your eSIM could work well, but none is as effective as Tenorshare ReiBoot

in tricky problems. It provides a repair for an iOS system-influenced malfunction, recovery of eSIM, and safety of personal data. ReiBoot makes the whole error fixing process fast and hassle-free for any user having eSIM-related errors on their iPhones.