Part 1: How to Unlock AT&T iPhone without SIM Card If you want to unlock iPhone AT&T without a SIM card then a great tool that you can make use of is DoctorSIM - SIM Unlock Service. The truly unique and great thing about this tool is its ease of use and convenience relative to the other approaches available in the market at the moment. You don't need a SIM card. Unlock as a non customer. Back up erase and restore with iTunes to finish unlock, or factory reset and set up with new carrier SIM card.
'I just bought a iPhone and had Verizon check it before purchasing it. They said it is fine. But when I tried installing a Verizon SIM card. Won't accept it and said SIM card not supported. Can't get into this phone now. Any ideas?'
Have you ever run into the same situation: bought a second-hand iPhone from the Internet and when insert your SIM card, the iPhone said 'SIM Not Supported'? This is a common issue among iOS users and sometimes even you insert a SIM card from the correct carrier, the SIM card not supported error message still appears on your iPhone screen. Don't worry. In this article, we will show you several tips you can try to bypass iPhone SIM not supported issue and unlock your iPhone for different carriers.
Tip 1: Ensure the SIM Card is Active and Works
Before you attempt any other solutions, the first thing you need to do is to make sure that the SIM card you've inserted into the iPhone is active and working. This is because, the SIM Not Supported error can popup when you insert a SIM card that has not been enabled by the carrier to provide services. For example, if you are trying to use a SIM card that has been deactivated by the carrier, the SIM card simply won't work.
If you suspect that your SIM card is inactive, you need to contact your carrier to get it replaced. You may also need to activate a plan on the SIM card before you can use it on your iPhone. If you are sure that the SIM card is active, but you're still getting the same error, try the next solution.
Tip 2: Contact Your Carrier and Request an Unlock
The simplest way to solve this problem is to contact your carrier to request a SIM unlock. Most carriers will however require that you finish the payment plan in the contract before they can help you unlock the SIM card. If you still have several months before the contract ends, wait patiently until it ends or try other solutions.
Follow the steps blow to contact your carrier and request an unlock:
Step 1: Check which carrier your iPhone is locked to with online IMEI checkers, for example, WipeLock iPhone Carrier Checker. Addition to carrier, it can check the Blacklist and iCloud lock status for you.
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Step 2: Go to Apple Support site to check if your carrier supports unlocking. Find the carrier that your iPhone is locked to and check if there is 'Unlocking' item under it.
Step 3: If your carrier supports to unlock your iPhone, directly call them and submit an unlock request. Most carriers will require a payment to unlock the iPhone.
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Step 4: After that, wait for your carrier to process the unlock. Usually, the unlocking process will take 3 to 5 working days.
Tip 3: Update iOS to Fix iPhone SIM Not Supported
You may also experience SIM compatibility issues if the version of iOS running on your iPhone is relatively older. Therefore, it is necessary to update the device to the latest version of iOS to fix this problem. Follow these simple steps to do that:
Open the Settings on your iPhone and then tap on 'General'.
Select 'Software Update'.
If an update is available, tap 'Download and Install' to begin updating the device.
Once the update is complete, the SIM card should begin working normally. If you're still having problems, try the next solution.
Tip 4: Make an Emergency Call to Unlock iPhone
This method may sound tricky but it really works for many iPhone users and help to activate their device without a SIM card. The unlocking process is very simple. Basically, all you have to do is place an emergency call on your iPhone. Here's how to do it:
Press the home button on your iPhone and then choose 'Emergency Call' from the menu that appears on the screen.
Dial 112 or 911, depending on where you are, but disconnect the call as soon as the call is connected.
Press the Power button and you should go back to the device's main screen.
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Once this is done, you should be able to bypass this SIM card not supported problem.
Tip 5: Use IMEI Unlocking Service to Unlock iPhone
If your device is locked to the carrier and you are unable to get the carrier to unlock it for you, the best solution may be using an IMEI unlocking service like DirectUnlocks or IMEIUnlockSIM. These tools are easily accessible online and often very easy to use. In most cases, all you have to do is provide the details that the service requests and the device will be unlocked after a specified time.
However, these tools are not free and you'll have to pay to get your iPhone unlocked. The advantage is that they don't require you to install any software on your computer or jailbreak your iPhone to use them. Once your iPhone is unlocked, the SIM Not Supported error should go away and you'll be able to easily use the device.
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Conclusion
iPhone SIM not supported issue is really annoying, which prevent you from accessing and using your device. Luckily, with the solutions mentioned above, you can easily fix the SIM not supported error on your iPhone and use the device with any carrier. Sometimes, you may get a second-iPhone and don't realize its iCloud locked. In such case, we recommend you using FoneGeek iPhone Passcode Unlocker to remove the iCloud lock with ease.
By Fay J. Melton
Posted on Jun 06, 2020, 21:47:04
Fay J. Melton has explored the area of technology and software for more than 5 years and he is enthusiastic about helping users solve various technology issues.
Please enable JavaScript to view the comments powered by Disqus.A Device Unlock enables T-Mobile equipment to use a non-T-Mobile SIM card to connect to a different international or domestic network. This may also be known as a SIM unlock, network unlock, or carrier unlock.
On this page:
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What is a Device Unlock
- Device lock status determines what networks a device can use to make calls, send messages, and use data.
- Locked devices can only be used on the network of the wireless provider that sold the device.
- Unlocked devices can be used with any carrier that supports its network type.
- Not all devices are compatible with every mobile network, unlocked devices may work differently depending on the carrier's network.
- Traveling internationally? Many T-Mobile plans include benefits and service when traveling internationally. See International Roaming services to learn more.
- A device unlock is not a security feature, for security locks see:
Check unlock status
- Log into your MyT-Mobile account using a web browser.
Note: This option is not currently available on the T-Mobile app. - Click Account from the top left of the screen.
- Select the line of service using the device.
- Click Check device unlock status under the Device details to check your status:
- Device unlocked: You're good to go! Your device can be used with compatible SIM cards.
- Device locked: This device can only be used on the T-Mobile Network. See Eligibility & requirements below.
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Eligibility & requirements
Contact us if you:
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- You received a warranty or device protection replacement device and your original device was eligible to be unlocked.
- You are military personal deployed overseas and your account is in good standing. Deployment papers can be provided to our Care department to process a device unlock.
All other requests must meet the below account and device requirements to be unlocked:
Requirement | Learn more |
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The device must have been purchased by T-Mobile |
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The device must be paid in full. |
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The device IMEI cannot be blocked |
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Postpaid accounts only |
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Prepaid accounts only |
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- Make sure you are connected to the T-Mobile network or Wi-Fi.
- Swipe up on your Home screen to open the Apps tray and follow the steps below:
- Samsung
- Newer devices: Settings > Connections > More Connection Settings > Network Unlock
- Older devices: Use the Device Unlock app pre-installed on your device. If you do not have this app, your device is unlocked or it is on a 2019 or newer OS.
- OnePlus (6T and newer): Settings >Wi-Fi & internet > SIM & network, then choose Advanced or Network Unlock
- T-Mobile REVVLRY: Settings > Network & Internet > Mobile network > Advanced > Network Unlock
- Google Pixel: Locate the T-Mobile Device Unlock (Google Pixel Only) app, this can be downloaded from the play store.
- Samsung
- Select Permanent Unlock
- Wait while the device completes the unlock.
- Restart the device.
- Contact us if:
- You do not see the apps or settings listed for your device.
- You meet the eligibility requirements but cannot unlock your device.
- You have a device not listed above.
Contact us
- Verify your device meets the unlock requirements.
- Have your device IMEI ready, you can find this on your MyT-Mobile or dial *#06# from your device.
- Contact your Team of Experts by dialing 1-877-746-0909