[Step-by-step] Check If My Phone is Unlocked Without SIM Card

We all know that some manufacturers have a habit of locking their devices to a specific signal carrier. If you buy a new phone from a third-party dealer or buy a second-hand phone, how do you know your Android or iPhone is unlocked? The quickest way is to insert another SIM card into your phone to check if it has the SIM restriction. But how to check if phone is unlocked without SIM? This guide will give you detailed instructions to help you.

Check If Phone is Unlocked Without SIM

Part 1. Check If Phone is Unlocked Without SIM

This part will show you how to tell if your iPhone and Android phone are unlocked with no SIM card. Keep reading and use the most suitable way!

How to Check If Android Phone is Unlocked Without SIM

Most Android phones have a section in Settings where you can check whether your phone's network is restricted. The following steps are about how to check if a Samsung phone is unlocked without a SIM. Other brands of phones may be a little different.

Step 1.
Open your Android phone and enter Settings.
Step 2.
Scroll down your phone screen to the bottom and select the About phone option.
Step 3.
Then, tap on Status information and select SIM card status.

If you don't find any lock status on the screen, like network lock, SIM lock, carrier lock, etc., then you can make sure that your Android phone is unlocked.

Check Unlock No Sim Android

Guide to Tell If iPhone is Unlocked with No SIM Card

Like Android, iPhone also has such a section in Settings for checking whether your phone has SIM restrictions. I'm using an iPhone running iOS 17 to show you how to do it.

Step 1.
Open the Settings app on your iPhone and go to the General section.
Step 2.
Tap on About and find the Carrier Lock to check if there is a No SIM restrictions description. Your iPhone is unlocked when it has no SIM restrictions.
Check UInlock No Sim iPhone

Common Way for iPhone and Android to Check Unlock Conditions

Almost every smartphone has IMEI numbers, and you can use IMEI checkers to see if your phone is unlocked.

For Android users, you should go to Settings > Status information > IMEI information to get IMEI numbers.

For iPhone users, go to Settings > General > About to find IMEI numbers.

Step 1.
After knowing your phone's IMEI numbers, you can select an IMEI checker website.
Step 2.
Then, enter the IMEI numbers and click the Check button.
Enter Imei Number
Step 3.
After waiting for a while, you will enter a new page and select Carrier & Lock Status & FMI to know if your phone is unlocked.
Selec Check Typee

Part 2. Tips: Unlock Any Phones on PC

Forgetting your phone password so that you can't unlock your phone and locking your phone to a certain carrier are the same annoying. Thus, I recommend you with the best iPhone and Android unlocking programs and show you how to use these tools to unlock Android and iPhone. Then, you can use your phone without worries.

How to Unlock iPhone Without Passcode

Aiseesoft iPhone Unlocker can help you enter your locked iPhone without a passcode or Face ID. Furthermore, you can use it to remove Apple ID, Screen Time, MDM, and Backup Encryption Settings. When using this software to unlock my iPhone, I think that it is easy to use because the whole process only has 3 steps. And if your device is an iPad or iPod Touch, you can also use it to remove the passcode.

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Step 1.
Run this iPhone Unlocker on your Windows or macOS computer and click Wipe Passcode.
Android Unlocker Interface
Step 2.
Click the Start button and then use a USB cable to connect the iPhone to your desktop..
Start to Wipe Passcode
Step 3.
Make sure your iPhone information is correct and click the Start button. Then, your iPhone will be unlocked.
Confirm Device Information

How to Unlock Android When Forget Password

As for unlocking Android devices without passwords, Aiseesoft Android Unlocker can be the best choice for you. It can remove your PIN screen lock, pattern screen lock, fingerprint screen lock, facial recognition screen lock, etc. from your Android phone successfully. And its interface is clean and direct, which lets you use it without any threshold.

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Top Android Unlocker

  • Remove Android screen lock easily.
  • Bypass Google Account Lock on Android.
  • Support the latest Android devices and system versions.
  • Safe software without leaking any data.
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Step 1.
Install and open Aiseesoft Android Unlocker on your computer and select Remove Screen Password.
Android Unlocker Interface
Step 2.
Then, you should connect your locked Android to the computer and click Start Removal to unlock your Android.
Start Removing Screen Password

Part 3. FAQs about Checking If Phone is Unlocked Without SIM

Can you tell if a phone is unlocked through the IMEI number?

Yes, you can find an IMEI checker tool and enter your IMEI number into the tool. Then, you will get your phone's lock status after the tool checks your IMEI number.

Can I put T-Mobile SIM card to an unlocked phone?

If you have confirmed that your phone is unlocked with no SIM restrictions, you can use the T-Mobile SIM card on your phone. And you should note that T-Mobile doesn't offer an unlock code.

What happens if a phone is locked?

When a phone is locked, it can only be used by the vendor you bought it from. It won't automatically unlock when your contract with your carrier expires; you must specifically ask the carrier to unlock it.


If you don't know whether your phone is unlocked, this post will help you a lot. The guide about how to check if phone is unlocked without SIM is detailed and easy to follow. If you still have questions about the process, you can send a comment to us below, and we will reply to you as soon as possible.

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