Error prompts are programmed to let you know of what went wrong and what must be done to fix it. These errors may denote an issue on the software if not hardware problems. The No SIM card error transpiring on new devices like the Samsung Galaxy Note 8 tells you that your device does not detect your SIM card. If it occurs without your SIM card inserted, then it appears as a warning or reminder that there is no SIM card inserted so the device has no SIM card to detect.
However, if the error occurs with the SIM card inserted in your phone, then definitely it’s an error that needs to be fixed. If ever you’ve landed into this page while searching for help in dealing with a No SIM card error on the same device, then this post is for you too. Read on to find out what to do if your Samsung Galaxy Note 8 keeps prompting a No SIM card error even with the SIM card inserted. Start whenever you’re all to troubleshoot your device.
Before going further, if you found this post because you were trying to find a solution to your problem, then try to visit our Galaxy Note 8 troubleshooting page as we’ve already addressed most of the commonly reported issues with the phone. We’ve already provided solutions to some of the problems reported by our readers so try to find issues that are similar with yours and use the solutions we suggested. If they don’t work for you and if you need further assistance, fill up our Android issues questionnaire and hit submit.
First solution: Reboot your phone (soft reset).
Network errors can also be triggered by minor software glitches that occur randomly on your phone. If you just encounter the No SIM card error on your phone without making any changes on its settings or so, then most likely it’s just a random network glitch. More often than not, minor software issues like this are rectified by a soft reset or device restart. So if you haven’t restarted your phone yet, then you must do so. For starters, here’s how a soft reset is done on your Samsung Note 8:
- Press and hold the Power and Volume Down buttons simultaneously for up to 45 seconds.
- Release both buttons when your device power cycles or restart.
Alternatively, you can do the usual reboot with these steps:
- Press and hold the Power button until the Power off prompt appears.
- Tap the option to Restart.
- Then tap Restart again to confirm.
- Give your phone about 90 seconds to complete the soft reset.
Then see if that fixes the problem. Both these restarts won’t affect any of your data unless the battery is very low. If this doesn’t do any good, then move on to the next workaround.
Second solution: Remove and reinstall your SIM card.
Just like other SIM errors or network-related errors, the No SIM card error can also possibly be resolved by removing and reseating the SIM card on your phone. If it’s not a minor glitch, it’s possibly the SIM card itself that’s either lose or damaged. To make sure this isn’t the underlying cause, try to remove and reinstall the SIM card on your Note 8 with these steps:
- First, you will need to power off your device.
- Then use the insertion/removal tool or a paperclip to remove the card tray from the top edge of the device with the display facing up. Just insert the removal tool into the provided slot until the tray pops out.
- Gently pull the tray out.
- Remove the SIM card from the tray by carefully lifting from the bottom of the card. You can use the opening on the opposite side of the tray to dislodge using a fingernail or similar tool.
- Check the SIM for any visible signs of damage like scratches or dents.
- If everything looks good to you, then you can place it back into the card tray with the gold contacts facing down. Otherwise, contact your carrier or service provider to ask for a new SIM card replacement or other options.
- Press in on the tray to lock it into place.
When the SIM tray is secured, turn your phone back on and see if the error is gone already. If it still occurs, then try the next possible solution.
Third solution: Reset network settings on your Samsung Note 8.
When you reset the networks settings, all data connections on your device are restored to the original values or factory defaults. Wi-Fi networks, paired Bluetooth devices, background data sync settings, network selection mode and other relevant settings are affected so you will need to set them up again afterwards. On the positive note, any incorrect or invalid network settings configuration that might have triggered the No SIM card error to occur will likewise be deleted. Whenever you’re all set, follow these steps to reset network settings on your Samsung Note 8:
- Swipe up on an empty spot from the Home screen to open the Apps tray.
- Tap Settings.
- Tap General Management.
- Scroll to and tap Reset.
- Select the option to Reset network settings.
- Tap Reset settings then enter your PIN or password if prompted.
- Tap Reset to confirm reset.
Your phone restarts when the reset is finished. By then you may proceed with the network setup process. Then check and see if you still see the same No SIM card error or not. Continue to the next possible solution if needed.
Fourth solution: Update your Note 8 firmware to the latest version available.
Installing the latest software update on your device will possibly fix the No SIM card error especially if it’s triggered by some bugs in the network system. Software updates contain fix patches to resolve existing software bugs that are causing problems among Android devices like your Note 8. As of April 1, 2018, Android 8.0 (Oreo) OS update was rolled out to offer bug fixes and software enhancements to the receiving devices.
Follow these steps to check if that update is already available on your device and then install it over the air (OTA):
- Make sure your phone is connected to Wi-Fi Internet.
- Open the Apps tray by swiping up on an empty spot from the Home screen.
- Tap Settings.
- Tap Software Update.
- Select the option to Download updates manually.
- Tap OK to confirm.
- Then tap Start to instigate the update file download and installation.
- If you see the restart message, it means that the new update installation is complete. Tap OK to restart your phone and implement the new changes.
See if you still have the same error to fix after implementing the new update.
Fifth solution: Master reset your Samsung Note 8 (Factory Data Reset).
Tough bugs usually require more advanced fixes. It’s most likely a tough bug if the No SIM card error still persists after performing all prior workarounds and possible solutions. This means the need for you to resort to carrying out system resets to get rid of tough bugs that’s ruining your phone’s network system. But first you should back up all your important data and personal information because they will be deleted in the process. Just follow these steps to get started:
To backup and reset your Galaxy Note 8 from the settings menu, follow these steps:
- Open the Apps tray.
- Tap Settings.
- Select Cloud and accounts.
- Tap the option to Backup and restore.
- If you would prefer, you can turn the option to Backup my data on or off. Or you can also enable or disable the option to Restore.
- When the backup is finished, go back to the Settings menu by tapping the Back button.
- Tap General Management.
- Tap Reset.
- Select the Factory data reset option.
- Tap Reset.
- If if prompted, enter your lockscreen credentials.
- Tap Continue.
- Then confirm reset by tapping on Delete All.
Wait for your phone to finish the master reset and then restarts. By then you can set up your phone as new. See if that fixes the No SIM card error or else you may need to consider opting for service.
Take your device to a Samsung service center nearby and have it assessed by an authorized technician. Your Note 8 might have acquired some sort of physical or liquid damage from a previous drop or liquid exposure incident, which likewise damaged the SIM card or other relevant components. In this case, your device requires service.
Connect with us
We are always open to your problems, questions and suggestions, so feel free to contact us by filling up this form. This is a free service we offer and we won’t charge you a penny for it. But please note that we receive hundreds of emails every day and it’s impossible for us to respond to every single one of them. But rest assured we read every message we receive. For those whom we’ve helped, please spread the word by sharing our posts to your friends or by simply liking our Facebook and Google+ page or follow us on Twitter.
Posts you may also like to check out:
- Galaxy Note 8 mobile data keeps disconnecting, wifi drops over and over again, other issues
- Why is my Samsung Galaxy Note 8 unable to open or view email attachments and how to fix it? [Troubleshooting Guide]
- Fix for Note8 that is lagging when using the internet (whether on wifi or mobile data)
- Solved Samsung Galaxy Note 8 Restarts Every Time Mobile Data Is Used
- How to fix Galaxy Note8 that has “Network not available, but please try again later” error