Invalid sim card

Sep 21, 2023 · If your device has a physical SIM card, remove your iPhone SIM card or iPad SIM card from the SIM card tray and then put the SIM card back. Make sure that the SIM tray closes completely and isn’t loose. If you use a SIM tray from a different model iPhone, iPad, or from another phone manufacturer, it might not fit properly. If your device has ...

Invalid sim card. Wipe the cache on the phone: This may delete all of your information but may solve the issue. Update the software on your phone: In some cases, a software upgrade is all that is required to resolve an invalid SIM card problem. You now know how to fix an invalid SIM card on Android Mobile in six different ways. Try the last approach on this list ...

Fix #4. Check For Carrier Update. Alerting No SIM or Invalid SIM problems than might your Phone running with old Carrier firmware. Here given steps through which you can check and update Carriers …

Learn how to remove or transfer the SIM card in your iPad (Wi-Fi + Cellular models). Find your model below to locate the SIM tray. To pop open the SIM tray, insert …Then select the option to Back up my data or Automatic restore. To Factory Reset your Asus ROG Phone. Go to Settings-> General management-> Reset-> Factory data reset-> Reset-> then tap Delete All to confirm. If prompted, enter your credentials or verify your Asus account and password to proceed with the reset process.Press and hold the Power key past the model name screen. When “SAMSUNG” appears on the screen, release the Power key. Immediately after releasing the Power key, press and hold the Volume down ...Thanks Q Link!’. — Nikki, WI. ‘Q Link’s service never lets me down. They sent me an excellent phone which I love and I have never had a problem. I use my phone to make appointments and stay connected with my work, friends and family.’. –David, AZ.To reset your network, you will need to go into your phone's settings. For Android, go to Settings & tap Reset or Network Settings. Tap Network Reset and follow the prompts. For iPhone, go to Settings, tap General. Scroll down and tap Reset & Select Tap Network Reset Settings. Enter your iPhone password & confirm the reset.The first option is to contact the carrier to ask whether it is locked and if it is you can ask if it can be unlocked. The second option is to check the settings on your device. Go to mobile networks in settings and then click the network operators option. If you can see other networks then the phone is most likely unlocked but it can be wrong.Invalid SIM card • Make sure the SIM card has been inserted correctly • Make sure the chip on your SIM card isn’t damaged or scratched.Restart your iPhone or iPad. Check for a carrier settings update. Go to Settings > General > About. If an update is available, you'll see a prompt to select OK or Update. If your device has an eSIM, contact your carrier. If your device has a physical SIM card, remove your iPhone SIM card or iPad SIM card from the SIM card tray and then …

Thread Details - HUAWEI Community. Hi There, I bough a 4G Modem/router (on Amazon), Huawei the B535-235, and It is not reading the SIM, so not connecting to the internet. Invalid or missing SIM card No SIM card is inserted into the device. Please insert a SIM card and restart the.Answer: The most common message the phone will display is “Invalid SIM card”. Because each handset may have a different variation in software there is no common message. If your handset displays a different message it is recommended to move onto the next step. Note: Faulty SIM Cards - The handset may also display messages indicating …Restarting the phone while connected to WIFI will temporarily fix the issue. The phone will not authenticate the SIM card if it is not connected to WIFI. I've tried a number of debug steps. I've tried the FIXME code, resetting network and carrier cache, reauthenticating the SIM, reinserting the SIM, removing my SD card, have reproduced the ...Open the Settings app on your smartphone, go to General and then About section. If any update is available, click on the button and go ahead with it. The update should fix any of the issues with the SIM not working message. Next, try removing your SIM card from the device and inserting it once again. While inserting the SIM card, make …Use the PUK Code printed on the card your SIM came in. Make sure the SIM card number matches the card. Once you have the PUK code, follow the unlock instructions to enter it. Other SIM errors 'Contact your service provider' 'Insert SIM' or 'Invalid SIM' 'Unregistered SIM' If you receive any of these errors, follow these steps:When you get an error message that says, “SIM Invalid” or “Invalid SIM,” it means that your phone is unable to read the SIM Card, or the SIM Card itself is...If your device has a physical SIM card, remove your iPhone SIM card or iPad SIM card from the SIM card tray and then put the SIM card back. Make sure that the SIM tray closes completely and isn’t loose. If you use a SIM tray from a different model iPhone, iPad, or from another phone manufacturer, it might not fit properly. If your device has ...

Sep 21, 2023 · Restart your iPhone or iPad. Check for a carrier settings update. Go to Settings > General > About. If an update is available, you'll see a prompt to select OK or Update. If your device has an eSIM, contact your carrier. If your device has a physical SIM card, remove your iPhone SIM card or iPad SIM card from the SIM card tray and then put the ... Solution 4: Change Network Mode To Auto. You can fix an invalid SIM card Android by changing network mode. Modifying the network mode to auto can help you. You just have to go to Settings > Mobile networks > Network mode > select the first option which will be LTE/WCDMA/GSM (auto connect).If you get an alert that says “Invalid SIM” or “No SIM”, follow these steps. Step 1. Make sure your SIM card is activated and functional. Test it on another phone if possible. Step 2. Check if your iPhone or iPad is up-to-date with the latest version of iOS. Step 3. Restart your iPhone or iPad. Learn how to force restart your iPhone or ...Dec 19, 2018. #2. Only your Service Provider can remove the block on your SIM and they'll only do that if there are no outstanding and unpaid bills on your account. Call them and ask why it's blocked or go online to your account page on their website. If they refuse, throw the SIM out and buy a pay-as-you-go SIM card but the risk is the phone ...To transfer an old SIM card to a new phone, save your contacts to the SIM card, remove the card from the old phone, and insert it into the new one. If the SIM card is too large for the new device, it can be cut down in size.Disconnect your modem from the Internet and navigate to your modem’s homepage using the IP address. (In our experience, this works best if you remove your Telstra SIM card from your 4G modem and insert an invalid SIM card before navigating to the modem’s homepage.) Navigate to Advanced Settings > SIM Settings > Unlock Device ,then enter …

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If you see 'invalid SIM' or 'no SIM' on your iPhone or iPad. If you get an alert that says Invalid SIM or No SIM Card installed, follow these steps. Make sure that you have an active plan with your wireless carrier. Restart your iPhone or iPad. Check for a carrier settings update. Go to Settings > General > About.From the home screen, go to Options > Advanced Options > SIM card; Type mepd to bring up the personalisation options; Type mep then press and hold the ALT key and press 2. ... It will display Invalid SIM; Connect the device to your PC or laptop using a USB cable; Open an internet browser and type 192.168.8.1 in the address bar;Turn off your iPhone, eject the SIM card, assess it for any visible damage, clean it with a soft cloth, and reinsert it. Upgrade the iOS Sometimes, a software bug may cause your SIM card to be detected as invalid. Verify if there’s an available iOS update and install it if necessary. Look for a Carrier Settings Update Carriers may release ...Usually, your SIM card is never the reason behind an invalid SIM card error, but we can’t rule out that you may be rocking a faulty SIM card. You can check whether your SIM card is functioning or not by putting it on a different device. If the SIM card is unresponsive, there is a high chance that your SIM card is either damaged or disabled.With the multitude of mobile phone providers available today, choosing the right one can be a daunting task. One crucial factor to consider is the quality and reliability of the SIM card.

If you see 'invalid SIM' or 'no SIM' on your iPhone or iPad. If you get an alert that says Invalid SIM or No SIM Card installed, follow these steps. Make sure that you …They will unlock the phone (as in no longer exclusive to the T Mobile network). After that, the No Service and Invalid SIM messages will go away. They aren't sure which combination of the device itself, the software upgrade, or the T Mobile network is causing the issue, but basically once they unlock your device, you'll be good to go.Remove the SIM card, then put it back in the tray and reinsert it into the iPhone by pressing it gently but firmly back in. Make sure that the SIM card is facing the right way and that the tray is all the way back into the phone. Now, you can see if the “Invalid SIM” message comes up again. Try A Different SIM CardHow to Fix Invalid SIM card or No SIM Error? 1. Reboot Your Device. Unlike the old days, there’s no need to give an acting-up device a smack to get it working – all... 2. Re-Insert SIM Card. Removing and putting the SIM card back again could be another solution to the SIM card error... 3. Switch to ...An expired SIM card would also denote an invalid SIM on the iPhone. If the SIM card has not been used for a certain period, make sure that it is still active by contacting the SIM provider. Just ...Jan 27, 2023 · She was with Sprint/T-Mobile, but her phone was unlocked and now she has a Lebara SIM card that has been working for over a year now. I believe the update is the cause of the problem as this issue occurred immediately after the update, and we've gone through all of the usual fixes (reseating the SIM card, restarting the phone, clearing SIM card ... 3 Fix invalid SIM on iPhone. Select the right iPhone model and then click "Download" to download the repaired device plug-in. When the plug-in downloading process is over, this software can automatically begin to restore iOS system and get your iPhone out of invalid SIM card problem. Check how to fix iPhone invalid SIM from the video below:Here’s how you can switch back to your network operator. Step 1: Go to Settings and select Connections. Step 2: Select ‘Mobile Networks’. Step 3: Tap on ‘Network Operators’. Step 4: Turn off the toggle bar for ‘Select automatically’. Step 5: Your phone will scan available operators near you.If you see this message on your phone, then there are two possible reasons why the SIM card decided to show an invalid SIM error. One is due to Network Lock, and the other is Regional Lock. Let's take a look at both of these things to understand the problem a little better.mang đến cửa hàng để vệ sinh máy + thay bi đi thôi. Xem chỗ tiếp xúc giữa sim và gạc sim có đủ chân không, có chân nào bị cong vênh , lồi lom so với chân khác không. bác up rom ver nào vậy ? trên diễn đàn có tút chữa SOS sóng + invalid sim card, bác tự search nhéInsert the SIM card into the phone and turn off the Wi-Fi connection to start unlocking. Step 5: Unlock SIM card. Finally, click on the Done button to finalize the unlocking. After unlocking, restart the device, and you can use the iPhone with any SIM card. Common Fix iPhone Invalid Card 1. Reboot or Force Restart your iPhoneOct 12, 2023 · When you see the message “Invalid SIM Card” on your cell phone, it typically means that the SIM card inserted in your device is not recognized or supported. This could be due to a variety of reasons, such as a damaged SIM card, compatibility issues with your phone, or issues with the network provider. 2.

27-Feb-2021 ... With the sim card inserted, please can you go into Settings > Connections > Mobile networks > Network selection > Manual selection > See if you ...

Verizon, AT&T, Vodafone, and Straight Talk are well known for selling such devices to keep the customers stick using their network on the device. The process is called UICC Lock and the device can be used with SIM cards only provided by themself only. Solution 4: Change Network Mode To Auto. You can fix an invalid SIM card Android by changing network mode. Modifying the network mode to auto can help you. You just have to go to Settings > Mobile networks > Network mode > select the first option which will be LTE/WCDMA/GSM (auto connect).Are you a fan of The Sims 4 and looking for a new way to enjoy the game? Look no further. The Sims 4 offers an online mode that allows players to connect with others from all over the world.Em vừa mới được 1 người bà con, cho 1 cái BB 7100T, mà bỏ sim vào không gọi được, người ta nói phải unlock mới sài được. Em mới vào ngành BB. Mong anh em chỉ giúp. Tinhte. ... nhưng vẫn hiện dòng "Invalid Sim Card" trên đầu! gọi thử thì báo "ermgency calls only" pro nào giúp em với.If you are able to use a SIM card on your iPhone 12 before and it suddenly provides an invalid SIM error, then a simple restart might do the trick in eliminating this issue. If you haven’t performed it yet, then it is time to give it a try.If you see 'invalid SIM' or 'no SIM' on your iPhone or iPad If you get an alert that says Invalid SIM or No SIM Card installed, follow these steps. Make sure that you …May 20, 2023 · A paper clip or SIM card ejector tool is used to press down the small circle around the SIM card tray. You can apply some pressure to ensure the SIM card tray has been ejected. Ensure the SIM card is well-positioned before reinserting the tray back to your phone. Mobile network operators use a SIM card’s IMSI and ICCID to verify the holding user and decide whether to grant network access to the associated device. Along with making data transfer much easier between devices, SIM cards are also an important personal identifier for a phone, its phone service and related user activity, acting as an ID ...When you purchase a Tello SIM, you receive a 3-in-1 SIM card that includes mini (2FF), micro (3FF), and nano (4FF) sizes to fit any type of compatible phone. ... (Voicemail invalid message), follow these steps: Press and hold the 1 key or dial 123 on your device.Solution No.1: Toggle Airplane Mode Let's start with the simplest solution. If you have ever experienced iPhone WiFi issues, cellular data, GPS, or Bluetooth problems, you know that toggling the Airplane …

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Step 5: Unlock SIM card. Finally, click on the Done button to finalize the unlocking. After unlocking, restart the device, and you can use the iPhone with any SIM card. Common Fix iPhone Invalid Card 1. Reboot or Force Restart your iPhone. The easiest and first thing iPhone users need to do is reboot the device when they face …Traveling abroad can be an exciting and enriching experience, but it can also come with its fair share of challenges, especially when it comes to staying connected. One of the most common concerns for travelers is finding a reliable and aff...If you get an alert that says “Invalid SIM” or “No SIM”, follow these steps. Step 1. Make sure your SIM card is activated and functional. Test it on another phone if possible. Step 2. Check if your iPhone or iPad is up-to-date with the latest version of iOS. Step 3. Restart your iPhone or iPad. Learn how to force restart your iPhone or ...For example, inserting a SIM Card upside down or forcing it into the wrong slot can damage the SIM Card slot or the card itself, which may require costly repairs. Security: Your SIM Card is associated with your account and contains sensitive information such as your phone number, contacts, and messages. If your SIM Card is not inserted ... 01-Sept-2019 ... iPhone Says Invalid SIM Or No SIM Card Installed? Try These Fixes · Is your iPhone SIM working? · Fix SIM Errors by Restarting Your iPhone · Try ...Jun 15, 2021 · If at any time, you turned on your phone and received a notification saying “Invalid SIM Card”, “No SIM Card” or “SIM card not detected”, then you can be sure that your SIM is not working properly. This translates to not being able to use your phone as you usually do. Remember that the SIM card (Subscriber Identity Module) houses ... Put the sim card in and fired up the device. It worked for 5 minutes before I got an alert that said Invalid Sim. I rebooted the device to get a “no service” alert. I had another sim card so I put that one in and activated it and dealt with the same thing. So I called tech support. I went through a process of rebooting.Your sim card will remain unlocked. Here are the terms you must meet before the network provider can give you the pin; You must have used the sim card by the given network service provider for at least 3 or 6 months, depending on the terms; You must have a sim card by a specific network service provider if the network locking is region …Mostly the SIM card is not able to be detected as the dirt partially prevents the contact between the SIM card and the phone. To clean it, pass a small dab of cloth over it and check if it is not damaged. Check the location of the SIM card it may need to be removed and reinstalled. There may be an issue sourced from the location of the SIM card.The “Invalid SIM card. Network locked SIM card inserted” is a similar problem that only occurs for Samsung phones. I know how annoyed you may feel when this message showed up. But don’t worry. I’ve made a deep research and helped Joe out … ….

Ready to activate your ALDImobile prepaid SIM card? Make sure you have your activation code to hand and you're ready to get started. ... Activate a SIM. 1. Activation code. 2. Your details. 3. Address. 4. Recharge. 5. Confirm. To activate, you'll need your Starter Pack and you may also need your ID.With the multitude of mobile phone providers available today, choosing the right one can be a daunting task. One crucial factor to consider is the quality and reliability of the SIM card.My phone is telling me the SIM card is invalid! If you're getting a "SIM card invalid" message after inserting your TextNow SIM, there's a good chance your phone is still locked to a carrier. Contact your carrier to ensure your phone is unlocked for use.In today’s digital age, staying connected is more important than ever. Whether it’s for work or personal use, having a reliable mobile network is essential. Sim card only deals have become increasingly popular among consumers looking for fl...How Do I Know If My SIM Card Is Faulty? There are 2 ways to check this: Method 1: Remove your SIM card and then give it a good look. Check for big cracks and scratches. Small ones are okay, but bigger ones can cause your SIM card to not be read. Method 2: Insert SIM card into another phone. If it can establish a proper sim card connection, this ...To back up your data, go to Apps-> Settings-> Cloud and accounts-> Backup and restore. Then select the option to Back up my data or Automatic restore. To Factory Reset your Samsung Galaxy Note 20 Ultra 5G. Go to Settings-> General management-> Reset-> Factory data reset-> Reset-> then tap Delete All to confirm.Jan 27, 2023 · She was with Sprint/T-Mobile, but her phone was unlocked and now she has a Lebara SIM card that has been working for over a year now. I believe the update is the cause of the problem as this issue occurred immediately after the update, and we've gone through all of the usual fixes (reseating the SIM card, restarting the phone, clearing SIM card ... Sep 22, 2023 · A quick way to solve the SIM card problem is to remove the SIM card from your Android phone and reinsert it. Power off your phone, open the back cover, and gently slide out the SIM card tray. Inspect your phone’s SIM card and its slot for any visible damage. If everything seems fine, reinsert your device’s SIM card and power. Tình hình là vợ e khi chỉnh sang 2g hoặc 2g&3g thì sóng SOS và invalid sim card. Và e khắc phụ là để ở chế độ 3g thui. Nhưng mỗi lần mưa thì mất lun sóng ( nói chung là sóng 3g kém ). Invalid sim card, Unlock your phone for any sim card without affecting your warranty. Direct unlocking connections to all the manufacturers (Fix SIM Not Valid/Supportd) for Free ... SimNeverlock. Unlock iPhone Sim Not Valid & Android Locked phones! FREE OF CHARGE! Please fill in the information needed to start the unlock. Get your smartphone IMEI number by ..., How Do I Know If My SIM Card Is Faulty? There are 2 ways to check this: Method 1: Remove your SIM card and then give it a good look. Check for big cracks and scratches. Small ones are okay, but bigger ones can cause your SIM card to not be read. Method 2: Insert SIM card into another phone. If it can establish a proper sim card …, Feb 17, 2022 · Insert the SIM card into the phone and turn off the Wi-Fi connection to start unlocking. Step 5: Unlock SIM card. Finally, click on the Done button to finalize the unlocking. After unlocking, restart the device, and you can use the iPhone with any SIM card. Common Fix iPhone Invalid Card 1. Reboot or Force Restart your iPhone , 18-Dec-2021 ... In most cases, this can be due to some glitches, update failures or inability to detect sim. You need to make sure that you have an active plan ..., 1. SIM Card Not Inserted Correctly If the SIM card is not inserted properly, your phone may not be able to read it, leading to the 'Invalid SIM' error. This can happen if the SIM card is loose in the tray or if it's not aligned correctly. 2. Damaged SIM Card Physical damage to the SIM card can also cause this error., Pull out the SIM tray and remove the SIM card. You can use a SIM tool remove the SIM card, or unfold a paper clip and insert it into the SIM ejection hole. Gently pull out the tray, and lightly blow out dust or debris from the slot using a few short bursts of compressed air. You can reinsert the slot and SIM card to see if this fixed the problem., 27-Jul-2015 ... Comment ... Here it is: For correct ZTE modem detection, please plug modem with invalid operator SIM inserted. Wait till software starts the modem ..., 16-Feb-2023 ... 1.5K Likes, 33 Comments. TikTok video from The Hello Mobile Service ईटहरी (@hellomobileservice): "Sim not valid/sim not supported/invalid ..., Open the Setting app on your Samsung Galaxy S22 Ultra smartphone. Go to General management and scroll all the way down to the last. Tap on Reset and tap on Factory data reset. Once again tap on Reset. If you have set up a PIN or password, enter it now and confirm it. This will take some to factory reset the device., While it’s not always possible to prevent an ‘Invalid SIM’ error, there are a few steps you can take to minimize the risk: Handle Your SIM Card Carefully: The SIM card is delicate and can be damaged by rough handling, exposure to water, or extreme temperatures. When inserting or removing your SIM card, handle it carefully to avoid ..., 27-Jan-2023 ... If the phone still is not recognizing the SIM card, the phone will need to be evaluated by a certified technician. You can use the following ..., Pull out the SIM tray and remove the SIM card. You can use a SIM tool remove the SIM card, or unfold a paper clip and insert it into the SIM ejection hole. Gently pull out the tray, and lightly blow out dust or debris from the slot using a few short bursts of compressed air. You can reinsert the slot and SIM card to see if this fixed the problem., 15-Sept-2023 ... Invalid SIM Card On Tracfone: How To Fix in minutes · Activate The SIM Card Again · Reinsert The SIM Card · Restart Your Phone · Reset Your ..., If you’re concerned about SIM card swapping, use an authentication app or a security key. If you’re the target of a SIM swap scam. Contact your cellular service provider immediately to take back control of your phone number. After you re-gain access to your phone number, change your account passwords., 4. Re-insert the SIM card. As we previously said, this can be caused by a faulty or loose link, so for this problem there is another manual solution. Take out the SIM card try, remove the card and thn replace the SIM card. this should be done after turning off your Android phone and removing the charger., Scam Shield: Capable device req’d. Turning on Scam Block might block calls you want; disable any time. Gogo: on U.S.-based airlines; Wi-Fi Calling functionality, valid e911 address, & 1 prior Wi-Fi call w/ current SIM card req’d for messaging. Stateside Int’l Talk: Calls must originate on T-Mobile’s U.S. network or in Canada/Mexico., In this video guide, you will learn how to fix network-locked SIM card inserted error.Original Article: https://www.recoverandroid-data.com/fix-network-locke..., If you get an alert that says “Invalid SIM” or “No SIM”, follow these steps. Step 1. Make sure your SIM card is activated and functional. Test it on another phone if possible. Step 2. Check if your iPhone or iPad is up-to-date with the latest version of iOS. Step 3., Restarting the phone while connected to WIFI will temporarily fix the issue. The phone will not authenticate the SIM card if it is not connected to WIFI. I've tried a number of debug steps. I've tried the FIXME code, resetting network and carrier cache, reauthenticating the SIM, reinserting the SIM, removing my SD card, have reproduced the ..., 147,531 points. Try and Force ReStart Your iPhone as instructed in this article by Apple How to Force ReStart your iPhone. If that does not work then -. Get another SIM card from your carrier and see if that cures it. (I know you said that it works on your iPhone 8). Do have a discussion with your carrier on this one., Aug 6, 2023 · Once you receive the message containing the code, then follow these steps to activate the number back again. Turn down your phone. Please take out the older SIM card from your phone, and insert it with the new one you want. Turn the device back on. You will be asked to input a code to activate the sim upon launch. , 1. What does ‘Invalid SIM Card’ mean? It means that your phone can’t recognize the SIM card inserted into it. 2. What can cause an ‘Invalid SIM Card’ error? …, 27-Jul-2015 ... Comment ... Here it is: For correct ZTE modem detection, please plug modem with invalid operator SIM inserted. Wait till software starts the modem ..., She was with Sprint/T-Mobile, but her phone was unlocked and now she has a Lebara SIM card that has been working for over a year now. I believe the update is the cause of the problem as this issue occurred immediately after the update, and we've gone through all of the usual fixes (reseating the SIM card, restarting the phone, clearing SIM card ..., Method 1: Restart the Phone Method 2: Check SIM Card and Device Compatibility Method 3: Clean the SIM Card Method 4: Reinsert the SIM Card …, Launch your Messages app. Compose a new message. On the recipient field, type in your own mobile number. Type in anything on the message field. Hit the send icon. Within a minute you should receive a message from your own carrier. If this is not the case, you can proceed to the next troubleshooting item., May 8, 2023 · Follow these steps to fix network locked sim card inserted issue: Step 1: Go to doctorsim.com from a web browser. Step 2: Choose or input the brand of your device. Step 3: Then check your iail after that, and you will receive your SIM network unlock pin and detailed steps on how to use it. Step 4: Follow the instruction to unlock your phone. , Mostly the SIM card is not able to be detected as the dirt partially prevents the contact between the SIM card and the phone. To clean it, pass a small dab of cloth over it and check if it is not damaged. Check the location of the SIM card it may need to be removed and reinstalled. There may be an issue sourced from the location of the SIM card., Restarting the Android handset is a simple solution to the invalid SIM card issue. This will quickly resolve the invalid SIM card issue. Hold the power button down while clicking it to restart an Android device. Instead of manually turning it …, ‘SIM not supported’ or ‘Invalid SIM’ or ‘Network Unlock Code’ ... If this is a new SIM card that you haven’t yet activated, you can find support at Activate or Change SIM Card. If you’ve just activated the SIM card, turn the device off, wait 30 seconds and turn it back on. It’s best that your device (as well as your old device ..., Method 1: Restart the Phone Method 2: Check SIM Card and Device Compatibility Method 3: Clean the SIM Card Method 4: Reinsert the SIM Card Conclusion FAQs Common Reasons for Invalid SIM Card Error The "Invalid SIM Card" error is a frustrating issue that many Android users encounter., 147,531 points. Try and Force ReStart Your iPhone as instructed in this article by Apple How to Force ReStart your iPhone. If that does not work then -. Get another SIM card from your carrier and see if that cures it. (I know you said that it works on your iPhone 8). Do have a discussion with your carrier on this one., In my case, the "Invalid sim" then "no Service" is on the Mifi 2000 from the $50/mo plan, directly from T-Mobile, which is part of their newer "home internet" service for areas that don't offer their fancier home internet modem. So I think Calyx / Mobile Citizen have nothing to do with the issue.