What Is SIM Me Lock? The Issues With Using A Locked Phone

When your insert a new SIM card into your phone, you need to enter the code to activate it. This is “SIM Me Lock” code. Most of the users have no idea about it and they stay astonished at what to do next and where to obtain this SIM Me Lock code.

So, What is this SIM Me Lock? Why you are asked to enter the code with a new SIM card? How to get rid of this problem? Let’s find the answers.

What Is SIM Me Lock? The Issues With Using A Locked Phone

What is SIM Me Lock?

The SIM Me lock signifies that the phone is locked with the specific carrier provider and cannot be used with SIM from other network carriers.

It’s a lock imposed by the companies who sell their phones with SIM cards to prohibit users from using another carrier provider’s services on the phone.

Carrier providers like Verizon, AT&T, and Boost Mobile are well known for selling such smartphones in collaboration with mobile manufacturers like Samsung, Apple and other brands.

These phones are locked using the UICC lock method so that users are not allowed to use the phone with another SIM card or the SIM card on another phone.

A SIM lock is like a special lock on your phone that stops you from changing to a different phone company. It’s put there by the company that sold you the phone so they can make sure you stay with them and not switch to another company.

How Does it Work?


How does SIM Me Lock Work?
How Does SIM Me Lock Work?

A SIM Lock connects the phone’s software to a specific network provided by a carrier. When you activate the phone, it checks with the carrier’s servers to make sure the SIM card is authorized.

If your SIM card is not from an authorized carrier, the phone won’t work.

This means that if you want to switch to a different provider while using a locked phone, you’ll need to unlock the phone first.

You can do this by entering a special code into the device. Once the phone is unlocked, it will be able to accept SIM cards from various carriers.

What is SIM Toolkit App on Android?

Why the SIM Locked Devices Introduced?

Initially, Apple and AT&T worked together to implement SIM locks on devices. The main purpose was to limit users to use the same service provider until their initial contract period was over.

However, some telecom providers teamed up with device manufacturers to offer bundled plans, including data plans along with the handsets. This allowed them to sell the devices at a lower price than usual.

When users buy these bundled devices and data packs, they are required to stick with the same service provider for a specific period.

During this time, the device is SIM-locked or network locked, which means users can’t switch to another provider or replace the SIM card.

Once the contract duration ends, the service provider will provide a SIM Unlock code to unlock the device.

After the network lock is removed, the device can be used with any other SIM card and can even be used in other countries without any problems.

How to get rid of Sim Me Lock?

You have the option to remove the SIM lock on AT&T, T-Mobile, US Cellular, and Verizon networks. If you find it difficult to do it on your own, you can choose a reliable service from providers like Mobile Unlocked US. There are many providers to choose from for this service.

Unlock SIM on AT&T

If your AT&T unlock status is disabled, you can unlock it easily by visiting the official website. Before you start, remember to note down the IMEI number by dialing *#06# on your phone.

Then, go to the official website and provide some basic details, such as your AT&T mobile number and relevant account information, to unlock your AT&T mobile phone.

Remove SIM Me Lock on T-Mobile Network

If you are using a T-Mobile Android device, you can unlock it from the Network Setting area. Simply go to settings, then Network setting, and click on the Unlock option. Just ensure that your device is eligible for unlocking.

For iPhone users, unlocking can be done by submitting a request, and T-Mobile will take care of it for you.

Remove SIM Me Lock on Verizon Smartphones

Verizon Mobile provides an auto-unlock feature for all its phones. When you buy a prepaid or postpaid Verizon mobile, it will be locked for 60 days from activation.

After this 60-day period, the phone will automatically get unlocked. Once unlocked, the SIM will never lock again, and you can use it freely without any restrictions.

Remove SIM Me Lock on Verizon Smartphones

If you are a military person, Verizon offers even more flexibility. You can request to unlock the SIM at any time, and Verizon will do it for you. You can follow the guide here: check if your Verizon Phone is unlocked.

Remove SIM Lock on US Cellular

Remove SIM Lock on US Cellular

US Cellular has a longer lock period for its locked devices. When you buy a new iPhone or Samsung device from US Cellular, it will be locked for a default period of 120 days. You can only unlock the device after these 120 days have passed.

Remove Sim Me Lock-Other Methods

Contact network provider:

Call your previous network provider and request the unlock code and instructions on how to unlock your phone. If you are on a contract, this service should be provided to you for free.

However, if you are on a pay-as-you-go plan, there might be a small cost associated with unlocking the phone.

Use Online Services:

To unlock your phone, use Google to search for your phone’s model and make along with the word “unlock.” Some websites may offer unlock codes. Be cautious and don’t purchase anything, as most of these websites are scams.

Refer to online Tutorial:

Refer to YouTube videos for a step-by-step guide on how to unlock your phone, but be cautioned that you do it at your own risk.

Seek Local Store:

You might find small corner shops that specialize in technology and unlocking services. They can unlock your phone for a fee, typically between £10 to £20, but often on the lower end of this range. These shops are usually very reliable and trustworthy.

Phone is Unlocked: What Does it Mean?

In contrast to what we explained earlier, SIM locking was originally added to smartphones as a restriction to prevent them from being used on other networks.

This caused many issues, so service providers decided to offer an official SIM unlocking option. This means that any locked SIM can now be easily unlocked, allowing the device to function as a regular cell phone and be used with any SIM card as per the user’s choice.

So, if you have a SIM-locked phone and want to remove the SIM lock from your iPhone or Android device, you can now do it officially without needing any third-party software or tools.

Benefits of Getting SIM ME Lock Removed

The majority of cell phones sold have SIM cards installed in them. SIM cards are memory chips used in cellular devices to store important information about your account, phone number, phone book, text messages, and other data.

People often use SIM card unlocking to switch service providers or sell a phone. When a phone is unlocked, the new owner can easily insert and use their own SIM card in the device.

Network Compatibility

Unlocking your phone doesn’t automatically mean you can use it on any network. To work on a new network, the SIM card you want to use must be compatible with the network technology your phone supports. T-Mobile, AT&T, Verizon, and Sprint use either GSM or CDMA networks.

For instance, if your phone is GSM-based, it won’t work on the Sprint network, as Sprint operates on a CDMA network.

Network Locked SIM Card Inserted, How to Unlock It?

International Roaming

A common reason for unlocking a phone is to use it in another country. To do this, you need to unlock the phone and replace the old SIM card with a new one from the country you’re visiting.

For instance, in Mexico, TELCEL is widely used. If you unlock your phone, you can swap the SIM card with a TELCEL card while you’re there. This way, you can enjoy a data plan with local and even international calling at a more affordable rate.

This is especially helpful for people who travel frequently and want to switch to different service plans based on their location.



Is it Legal to Remove SIM ME Lock?

Getting the SIM ME lock removed from the authorised company is always legal. Although there are several third-party websites and services that claim to remove SIM ME lock by tweaking the device. This is not legal and can make your device unstable and insecure.

Is it Safe to Buy Unlocked Smartphones?

It is legal and safe if you purchase an unlocked smartphone from an official website or a shop. You should never buy locked and unlocked smartphones from any untrusted websites or persons.

What does SIM me Locked Android/iPhone Mean?

SIM me Locked Android/iPhone simply signifies that the device is locked with a specific network carrier and SIM card. These carrier-locked phones are locked exclusive to some regions and networks.

Can eSIM Prevent the SIM Lock Issue?

Both standard SIM and eSIM have the same options and work based on carrier support. The only difference is that a standard SIM is physical, while an eSIM is virtual and cannot be seen.
However, using an eSIM instead of a standard SIM card won’t prevent the SIM lock issue. The locking mechanism applies to both types of SIM cards.

Final Words:

SIM ME Lock is a software restriction added by service providers to restrict a phone’s use with other network providers’ SIM cards. Buying bundled plans from service providers may result in a SIM-locked phone, preventing its use with other SIM cards.

You can remove the SIM lock by obtaining the unlock code from the provider. Avoid buying SIM-locked phones as unlocking may void the warranty.

eSIM and standard SIM cards have the same options and carrier support, but using eSIM won’t prevent SIM lock issues. Purchase unlocked smartphones from trusted sources for legal and safe use.


  • I am George, the mind behind Fixyourandroid.com. My mission with this platform is to offer clear, practical insights into smart devices, VR, and Android technology.

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