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eSIM not working on Galaxy S23 Ultra: How to Fix

In this guide, we will show you various methods to fix the issue of eSIM not working on Galaxy S23 Ultra. The latest flagships from the South Korean giant support Dual SIM Dual Active meaning you would be able to use both 5G SIMs at once. Along the same lines, it also supports the ability to use eSIM and a physical SIM together. However, this is proving to be a tough job for many.

Numerous Galaxy S23 Ultra users have voiced their concern that eSIM is not working on their devices. To make the matter worse, even the SIM Manager is not working and the physical SIM is having an issue or two. Upon checking the same from the SIM manager, the eSIM shows that it has no phone number assigned to it whereas the physical SIM is being shown as not recognized. If you are also getting bugged by this issue, then this guide will help you rectify it.

Fix eSIM not working on Galaxy S23 Ultra

esim not working galaxy s23 ultra

It is recommended that you try out each of the below-mentioned workarounds and then see which one spells out success. So with that in mind, let’s get started.

FIX 1: Delete Cache Partition

If a lot of temporary data gets accumulated over the due course of time, then it might conflict with the proper functioning of numerous system components, including eSIM. Therefore, you should consider deleting these temporary data using the below-listed steps and then check out the results.

  1. Power off your device.
  2. Connect To Computer or plug in USB-C Headphones , Press and hold the Volume Up key and then press and hold the Power key .
  3. When the Android logo displays, release all three keys.
  4. An ‘Installing system update’ message will show for 30 – 60 seconds before the Android system recovery menu options appear.
  5. Press the Volume down key several times to highlight Wipe Cache Partition and press the Power key to select.esim not working galaxy s23 ultra
  6. Press the Volume down key to highlight yes, them, and press the Power key to select.
  7. When the wipe cache partition is complete, Reboot system now is highlighted.
  8. Finally, press the Power key to reboot your device.
  9. Check if it fixes eSIM not working issue on your Galaxy S23 Ultra.

FIX 2: Re-Setup eSIM

Next up, you should consider deleting the eSIM and then resetting it from scratch. Here’s how it could be done:

  1. Head over to Settings > Connections > SIM Card Manager.
  2. Then select your eSIM from the list and hit Remove > Remove.esim not working galaxy s23 ultra
  3. Now ask the eSIM carrier to resend you the eSIM setup QR Code.
  4. Then go to Settings > Connections > SIM Card Manager.
  5. Add mobile plan > Scan carrier QR code > Now scan the QR code.esim not working galaxy s23 ultra
  6. Check if it fixes eSIM not working issue on your Galaxy S23 Ultra.

FIX 3: Reset Network Settings

You might also get bugged by this issue if the network settings get corrupted. So in such cases, you’ll have to reset the network settings to their default state. Here’s how it could be done:

  1. Head over to Settings > General Management > Reset.
  2. Then go to Reset network settings > Reset Settings > Reset.
  3. Once done, re-set up your eSIM as discussed in the above fix.
  4. Check if it fixes eSIM not working issue on your Galaxy S23 Ultra.esim not working galaxy s23 ultra

FIX 4: Factory Reset

If none of the aforementioned methods spelled out success, then your last course of action should be to factory reset your device to its default state. So take a backup of all the data on your device and then proceed with the below steps:

  1. Head over to Settings > General Management > Reset.
  2. Then go to Factory Data Reset > Reset > Delete all.esim not working galaxy s23 ultra
  3. Once done, re-set up your device from scratch.
  4. Check if it fixes eSIM not working issue on your Galaxy S23 Ultra.

FIX 5: ReFlash Firmware via Odin

As a last-ditch effort, you should consider flashing the firmware via Odin. To do so, take a backup of all the data and then refer to our guide on How to Flash Stock Firmware on Samsung via Odin.

FIX 6: Get in Touch with OEM

A few Lycamobile eSIM users tried all the aforementioned tweaks but nothing spelled out success for them. Ultimately they got in touch with Samsung, who in turn rectified this issue by carrying out the below tweaks. So if you are also in the same boat, then contact Samsung at the earliest and chalk out the best route forward.

  • “Replaced a part that holds internal parts in place.”
  • “Replaced an internal flex component.”
  • “Replaced the main board (?!) inside your device.”

That’s it. These were the various methods that should help you fix the eSIM not working issue on your Galaxy S23 Ultra. If you have any queries concerning the aforementioned steps, do let us know in the comments. We will get back to you with a solution at the earliest.


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