How To Change Your SIM PIN Code on Your Lenovo ThinkPhone Phone

When you get a new SIM card, it usually comes with a default PIN (Personal Identity Number) code printed on the packaging, documentation, or back of the SIM card. This 4-digit code protects your phone number from unauthorized calls, texts, and data use. It’s essential to change the default PIN to one that’s both memorable for you and difficult for others to guess.

So, how to change the PIN on an Android phone’s SIM card? This article will provide a step-by-step guide to help you secure your data. But first, let’s explore why changing the default one is important.

Part 1: Why Does Changing Your SIM PIN Code Matter on a New Phone?

Your SIM PIN code acts as a password for your SIM card, which stores your phone number, contacts, and other essential data. Unlike the PIN you use to unlock your phone, the SIM PIN code is a separate layer of security. If someone tries to use your SIM card in another phone without the correct PIN, they won’t be able to access your network or data.

Here are more reasons why changing the PIN code of a SIM card is a smart move:

• Default PINs are easy to guess

Most carriers use generic PINs like “1234” or “0000”. Change it to something unique and harder to crack.

• Protects data in case of loss or theft

If you lose your phone or it gets stolen, a strong PIN code hinders the thief’s ability to make calls, send messages, or access your data stored on the SIM. It buys you time to report the loss and block your SIM card before they can do any damage.

• Prevents accidental PIN lockouts

Using a memorable PIN minimizes the risk of accidentally locking yourself out of your SIM card.

• Peace of mind

It is crucial if you store sensitive info on your SIM or use your phone for work. Knowing about this extra safeguard is reassuring, ensuring your data stays protected.

Remember:

Choose a PIN code for your SIM that’s easy for you to remember but challenging for others to guess. Avoid using birthdays, anniversaries, or other easily identifiable information. By taking a few minutes to change the PIN code of the SIM card, you’ll gain a significant security advantage for your new phone and data.

Part 2: How To Change Pin on Android Phone SIM Cards?

Keeping your SIM card secure is crucial for protecting your data and privacy. Thankfully, Android allows you to easily change your SIM card PIN to a more personal and memorable code. But before you begin:

• Contact your network carrier to get your PUK code if you already have it. You’ll need this if you enter the wrong PIN three times and lock your SIM card.
• Remember the temporary default PIN: Most SIM cards have a default PIN, often 1234 or 0123. If you haven’t changed it, this is the PIN you’ll use initially.

Note:

Entering the wrong PIN three times will lock your SIM card. You’ll need your network carrier’s PUK code to unlock it. Use it cautiously, as exceeding the maximum number of attempts will permanently block your SIM card. So, it’s best to memorize your PIN or store it securely to avoid relying on the PUK altogether.

Steps To Change Your SIM PIN

Here’s how to find and manage the SIM PIN code on Android:

• Step 1: Navigate to your phone’s Settings app. Next, look for the Security and privacy or Lock screen and security (or other similar option) depending on your device’s model.
• Step 2: Scroll down and tap on More security settings or Other security settings.
• Step 3: Tap SIM card security or Set up SIM card lock (or something similar).

• Step 4: If you have multiple SIMs, select the one you want to change the PIN code.
• Step 5: Tap Change SIM PIN.

• Step 6: Input your current SIM card PIN code and tap OK.

Click here


• Step 7: Enter your desired new PIN code and tap OK.
• Step 8: Re-enter your new SIM card PIN code and tap OK to confirm.

Success! You’ve successfully changed the PIN code of your SIM card. Remember your new PIN for future use.

Part 3: What To Do if You Forgot or Lost an iOS Device’s SIM PIN Code?

If you’re an Android user, changing your SIM PIN is easy. But for iPhone users, forgetting it can lock you out. So, what should you do if you lose the SIM PIN code on iOS?

First, avoid guessing your SIM PIN or PUK code. Every wrong guess increases the risk of permanently locking your SIM card, requiring a replacement. If you forget your PIN, contact your network carrier for help. They can usually unlock your SIM with the default PIN or PUK code. If that fails, you can request a new SIM card.

However, there might also be situations where you’re locked out due to a carrier-restricted SIM card. If a quick resolution is important or you want to keep your current SIM card, consider using Wondershare Dr.Fone .

Here’s a list of Dr. Fone’s key features:

• Solve SIM lock issues within minutes
• Support for various SIM carriers, whether your phone is on an installment plan
• User-friendly interface and straightforward process
• Can bypass various screen lock types like PIN, password, fingerprint, and pattern locks on both Android and iOS.

How To Unlock Your iPhone SIM Card To Work With Any Carrier?

Note that this process may need you to jailbreak your iPhone. Make sure you understand the risks involved before proceeding. If you are ready to remove your iOS device’s SIM lock, here’s a simple step-by-step guide to help you through the process.

• Step 1: Download and install Dr.Fone on your computer. Ensure you choose the correct version for your operating system, whether Windows or Mac.

• Step 2: Connect your iOS device to the computer using a USB cable. Launch Dr.Fone, then go to Screen Unlock > IOS from the available options in the Toolbox window.

• Step 3: Select Remove SIM Locked to unlock the SIM PIN code, then click Start on the next screen.

• Step 4: Dr.Fone automatically recognizes your iOS device model, version, and other details. Click Unlock Now to confirm the details and proceed with the unlocking.

• Step 5: Once jailbroken, follow the specific instructions provided by Dr.Fone to complete the SIM lock removal process.

• Step 6: The software will initiate the SIM unlocking process and wait for it to complete. Once done, your iOS device’s SIM will be successfully unlocked.

Conclusion

Remember, securing your phone’s data starts with a strong, unique SIM PIN code – change it regularly! Now that you know how to change your PIN on an Android phone SIM card, you can change your PIN on Android and keep your data safe. But security goes beyond the PIN code. Enable additional protections like screen locks and two-factor authentication.

Don’t worry about forgetting your screen lock on Android. For advanced troubleshooting, Dr.Fone stands ready. And if you encounter SIM-related issues on an iOS device, such as “SIM not supported” or being “locked to a carrier,” as mentioned above, it can help you. This powerful tool can diagnose and fix various mobile problems on both platforms.

Tips: Are you searching for a powerful Screen Unlock tool? No worries as Dr.Fone is here to help you. Download it and start a seamless unlock experience!

The 6 Best SIM Unlock Services That Actually Work On Your Lenovo ThinkPhone Device

In our ever-connected world, the need for flexibility and freedom in choosing a mobile service provider is more crucial than ever. This part explores the top 6 SIM unlock services, shedding light on their features, advantages, and why Dr.Fone - Screen Unlock (iOS) stands out as the best in the industry.

Dr.Fone - Screen Unlock (iOS) takes the top spot as the best SIM unlock service, particularly for iOS users. This comprehensive tool not only allows users to unlock their SIM but also specializes in unlocking the iPhone’s screen passcode, making it an all-in-one solution. With a user-friendly interface and a high success rate, Dr.Fone offers a seamless unlocking experience. The tool supports various iOS versions, making it compatible with a wide range of Apple devices.

Step 1. Open Dr.Fone - Screen Unlock and then choose “Remove SIM Lock”.

Step 2. Connected your tool to the computer. Complete the authorization verification process with “Start” and click on “Confirmed” to continue.

Step 3. The platform instantly identifies your iPhone, showing all details on the next screen. Confirm the information and click “Unlock Now”.

Step 4. The following screen displays a progress window for the SIM unlocking process. After completion, a message prompts you to click “Done” to conclude the process.

Here is a video for you to learn how to unlock your iPhone for use with a different carrier:

Next, follow the instructions, and you will be able to use any carriers soon. Dr.Fone will  “Remove Setting” for your device at last to enable Wi-Fi connecting. Visit the iPhone SIM Unlock guide  to get more!

2. Unlock Base

Website URL: https://www.unlockbase.com/wholesale-phone-unlocking

This service will unlock almost all devices, both Android and iPhone. It is also very fast and reliable. But perhaps the best feature of this service is that you can be aware of just how much you will have to spend to unlock your device long before you place the order.

To use the service, simply go to the main home page and check on the table provided how long it will take for your device to be unlocked and how much you have to pay. If you are happy with both estimates. Choose to unlock from the main menu and then proceed to select your device.

Once you have selected the Lenovo ThinkPhone device, enter the IMEI code, your email address, your country, and the network you are on. Then click on “Proceed to check out”. Make payment and then wait for the assigned time for the sim network unlock pin to be sent to the email address you provided.

3. iPhone IMEI

Website URL: https://iphoneimei.net/

This one is perhaps the easiest to use. It offers two services, one to check your iPhone’s IMEI and the other to use the IMEI number to unlock the iPhone.

To use the service, select the “Unlock iPhone” on the homepage. Then select the model and the network the iPhone is locked to. Click “Unlock” to

continue.  You will be sent to a checkout page where you can pay the amount. The codes will be sent to the email address you provided at checkout.

4. Doctor SIM

This is another website that can easily unlock just about any device model. It also offers an IMEI checker service as well as a lot of other helpful information about phone unlocking IMEI numbers and other issues related to devising unlocking.

To use it, click on “Unlock your Phone” in the main menu and select your device from the drop-down menu. You should see the amount you have to pay to unlock the Lenovo ThinkPhone device. Click on “Unlock your phone now” to continue.

In the next window, select your country and network provider and enter the phone’s IMEI number and other information. Choose a payment method and then continue to check out. You will receive the codes at the email address you provided.

5. Mobile Unlocked

Website URL: https://www.mobileunlocked.com/

This is another service that will also provide you with phone unlock codes at a price. Just like the others, we have seen it is very easy to use and supports all devices.

To use it, select the “Unlock” option from the main menu and then choose your device’s model from the drop-down menu.  Next, provide your device’s details and then proceed to pay for the service and provide your name, email address, and IMEI number.

Once you click on “unlock now” all you have to do is wait the stipulated time for the codes to be sent to you.

6. Cell Unlocker

Website URL: http://www.cellunlocker.net/

This service will also offer to unlock services at a price. The service unlocks all devices, including the iPhone, and they pride themselves on providing excellent service in the shortest period.  They also offer a 100% guarantee that they offer this service at the lowest price in the market.

To use this service, select “Unlock your Device” from the main menu and then select your device model from the list provided. There is a lot of information to read through, but when you scroll down a bit, you should be able to enter the Lenovo ThinkPhone device’s information and then click on “look for code”

You will be directed to a payment page where you can make your payment.  The codes will be sent to you in a few days.

Tutorial to Change Lenovo ThinkPhone IMEI without Root: A Comprehensive Guide

As an Android device user, you may have come across a situation where you need to change your device IMEI number. The International Mobile Equipment Identity (IMEI) is a unique 15-digit number assigned to every mobile device, such as smartphones and tablets. This number serves as an identifier, helping to distinguish your device from millions of others. One of the main reasons people want to change their Android IMEI number is to unblock a device that has been blacklisted by their network provider. Other reasons include accessing certain network features and services or maintaining anonymity.

Changing your Android IMEI without root access may seem like a daunting task, but this comprehensive guide will walk you through the process step-by-step. Before proceeding, please note that altering your device’s IMEI number can be illegal in some countries, and may void your warranty. Proceed with caution and at your own risk. Get to know how to change IMEI number now!

Part 1: What is IMEI and Why People Change The IMEI Number

The International Mobile Equipment Identity (IMEI) is a unique identifier for every mobile device. It allows network providers and manufacturers to track and block devices if they are reported as lost or stolen. Changing your device’s IMEI can help to unblock a blacklisted device, access certain network features and services, or maintain anonymity. However, be aware that altering your IMEI number is illegal in some countries and may void your warranty.

There are several uses of the IMEI number

1. As the use of mobile devices increases, the statistics of stolen and lost devices have been increasing as well. Users can block stolen or lost devices for further usage if they know their IMEI number. All users need to call their network carrier and report that the Lenovo ThinkPhone device is stolen or lost. The carrier can block the specific device from running on their network and notify other carriers.
2. The 15-digit IMEI number indicates the origin and model of the Lenovo ThinkPhone device. The first eight digits indicate the Lenovo ThinkPhone device’s origin and its model while the last six digits identify the Lenovo ThinkPhone device’s manufacturer.
3. If you subscribe to a mobile tracking service, you can use the IMEI number to track the Lenovo ThinkPhone device—even if it uses a different SIM card.

Pros and Cons of Changing Android IMEI

Like many other things out there, changing Android IMEI has both advantages and disadvantages. Here are some of them:

Advantages

1. Make your Android untraceable. By constantly changing your IMEI, you will throw off the tracks of people using it to stalk you!
2. Fix any invalid IMEI-related issues such as lost or invalid IMEI numbers. Once you change your IMEI, your Android device with the same benefits and features.
3. Obtaining a completely new device ID.
4. Changing the IMEI number to one that indicates it is a newer model, you will be able to enjoy new OS updates by resetting, repairing, and updating your Android device.
5. Have you ever yearned for that cheap BlackBerry plan your network carrier keeps on promoting? The 15-digit IMEI indicates the origin and model of your device. Therefore, by changing your Android’s IMEI number to that of a BlackBerry’s, you will be able to subscribe to a cheaper mobile plan.

Disadvantages

1. Before we begin, we need to make it clear that the process of changing IMEI without root can be illegal in some countries. We advise you to check the laws and regulations in your country before attempting to change your device’s IMEI number. As far as we know, it is legal in Africa and Asia, and illegal in Europe.
2. The IMEI number is hardcoded into your device. Therefore, changing your device’s IMEI number may void your device warranty and cause other issues such as network problems and software instability.
3. Legally, you have forfeited your ownership of your mobile device. When you purchase your device, the seller will jot down the original IMEI number on your receipt. So if you changed your IMEI and lost it, you may not be able to claim it. This is because authorities cannot see if it is truly yours. After all, the IMEI numbers no longer correlate with each other.

Part 2: How to Find the IMEI on an Android? (5 Ways)

It is essential to know your Android device’s IMEI for various reasons, such as registering the Lenovo ThinkPhone device, reporting it as stolen or lost, checking warranty status, or verifying its authenticity. In this part, we will walk you through the various methods on how to find the IMEI on your Android device.

Method 1: Locate IMEI through the Settings App

One of the easiest ways to find the IMEI number on your Android device is through the Settings app. Follow these simple steps:

• Step 1: Open the “Settings” app on your Android device.
• Step 2: Scroll down and tap on “About phone” or “About device”.
• Step 3: Tap on “Status” or “IMEI information”.
• Step 4: You will see your IMEI number displayed on the screen. Note this down or take a screenshot for reference.

Method 2: Use the Dialer App

Another quick method to find the IMEI number is by using the dialer app on your Android smartphone. Here’s how:

• Step 1: Open the “Phone” app or “Dialer” app on your Android device.
• Step 2: Dial *#06# on the keypad.
• Step 3: The IMEI number will be displayed on the screen. Note it down or take a screenshot for reference.

Method 3: Check the Lenovo ThinkPhone device Packaging or Receipt

If you still have the original packaging or receipt for your Android device, you may find the IMEI number printed on it. Look for a label or sticker on the box that contains the Lenovo ThinkPhone device’s details, including the IMEI number.

Method 4: Find IMEI on a Removable Battery (for older devices)

For older Android devices with removable batteries, you can find the IMEI number printed on a sticker underneath the battery. To locate it, follow these steps:

• Step 1: Power off your Android device.
• Step 2: Remove the back cover and take out the battery.
• Step 3: Look for a sticker or printed text with the IMEI number.
• Step 4: Note it down or take a photo for reference.

Method 5: Check the SIM Card Tray

Some Android devices have the IMEI number printed on the SIM card tray. To check if your device has this feature:

• Step 1: Power off your Android device.
• Step 2: Use the SIM card removal tool (or a paperclip) to eject the SIM card tray.
• Step 3: Look for the IMEI number printed on the tray.
• Step 4: Note it down or take a photo for reference.

Part 3: Does IMEI Change With SIM Card?

No, swapping or changing the SIM card does not alter the IMEI (International Mobile Equipment Identity). The IMEI persists unchanged throughout the Lenovo ThinkPhone device’s lifetime, functioning as a distinctive identifier solely for that particular device.

The IMEI is a 15-digit code assigned to each mobile device. It’s separate from the SIM card, which stores information related to the subscriber and the carrier network. The SIM card contains data specific to the subscriber. This includes contacts, text messages, and network-related information. But it does not alter or affect the IMEI of the Lenovo ThinkPhone device.

The IMEI remains the same even if you change SIM cards or switch between different carriers. It’s essentially a static identifier tied to the Lenovo ThinkPhone device’s hardware. It is used by mobile networks and authorities to identify and track devices on the network.

Part 4: Does IMEI Change After Factory Reset?

No, performing a factory reset on your mobile device does not change its IMEI (International Mobile Equipment Identity). The IMEI is a unique identifier assigned to the hardware of the Lenovo ThinkPhone device. It remains constant throughout the life of the Lenovo ThinkPhone device, irrespective of any software changes or resets.

A factory reset wipes the data and settings on your device, returning it to its original factory state. This process erases user-installed apps, personal data, and settings. But it doesn’t affect the Lenovo ThinkPhone device’s hardware identification, including the IMEI.

The IMEI is embedded into the hardware of the Lenovo ThinkPhone device. It is typically printed on the Lenovo ThinkPhone device’s packaging or can be found by dialing *#06# on the phone’s keypad. It’s a crucial identifier for mobile networks, and authorities use it to uniquely identify and track devices across networks. It remains unchanged even after a factory reset.

Part 5: Requirements for Changing Android IMEI without Root

Before you begin the process of changing your Android IMEI without root, there are a few things you will need:

• A compatible Android device: The methods detailed in this guide are specifically for MediaTek (MTK) devices. Ensure that your device has a MediaTek chipset before proceeding..
• A new IMEI number: You’ll need a valid IMEI number to replace the current one on your device. You can either generate one using an IMEI generator tool or use the IMEI number of an old, unused device..
• A stable internet connection: Some of the methods require you to download apps and modules, so make sure you have a stable Wi-Fi connection.
• Back up your Android phone: Before making any changes to your device, it is always recommended to backup your data. This will help you to avoid any data loss in case anything goes wrong during the process. You can back up your device data using Google Backup or a local backup software like Wondershare Dr.Fone .

Wondershare Dr.Fone is a tool that helps you keep your important data safe. It can back up all the important information on your Android phone or tablet, like photos, music, videos, contacts, and more and is compatible with over 8000 Android devices. The backup process is easy and only takes a few clicks. You can also restore your backup to any device you want, and choose which data you want to restore. This is a great way to make sure you never lose your important information!

Part 6: How to Change Android IMEI Number without Root?

There are several methods to change your Android IMEI without root access. This tutorial will cover three popular methods: using MobileUncle Tools, Xposed Installer and IMEI Changer Pro, and MTK Engineering Mode.

1. Using Xposed Installer and IMEI Changer Pro

This IMEI changer Android app is built to allow a user to change the series of numbers that make up their devices’ IMEI identification. Randomized IMEI numbers will be generated every time the app is used. However, users can type in a new IMEI number in the text field if they have a specific number in mind. This no-ads app is really simple to use–to complete the change, a user will only need to click the “Apply” button and restart their devices. Its interface is also simple enough for easy navigation.

This method involves using the Xposed Installer app to install the IMEI Changer Pro module. Follow the steps below:

• Step 1: Download and install the Xposed Installer app from a trusted source.
• Step 2: Open the app and go to the “Framework” section. Tap on “Install/Update” to install the Xposed Framework on your device. Reboot your device once the installation is complete.
• Step 3: Download and install the IMEI Changer Pro app from a trusted source.
• Step 4: Launch the Xposed Installer app again, and go to the “Modules” section. Enable the IMEI Changer Pro module by checking the box next to it.
• Step 5: Reboot your device for the changes to take effect.
• Step 6: Open the IMEI Changer Pro app and enter your new IMEI number in the provided field.
• Step 7: Tap on the “Apply” button, and then restart your device. Your new IMEI number should now be active.

2. Using MobileUncle Tools

MobileUncle Tools is a simple Android application that can retrieve your Android device’s information, back up IMEI, change its IMEI, and search for its recovery files. It will also be able to assist you with any rebooting needs and many more!

Follow these steps to change your IMEI using MobileUncle Tools:

• Step 1: Download the MobileUncle Tools app from a trusted source and install it on your device.
• Step 2: Open the app and grant the necessary permissions.
• Step 3: From the main menu, select “Engineer Mode”.
• Step 4: In the Engineer Mode, select “MTK”.
• Step 5: Scroll down and tap on “Connectivity”.
• Step 6: Next, tap on “CDS Information”.
• Step 7: Select “Radio Information”.
• Step 8: You will see two options: Phone 1 and Phone 2. Choose the one corresponding to the SIM slot for which you want to change the IMEI.
• Step 9: In the input field, type “AT+EGMR=1,7,” followed by your new IMEI number within double quotes. For example: AT+EGMR=1,7,”123456789012345”.
• Step 10: Tap on the “Send AT Command” button. You should see a message confirming that the command has been sent successfully.
• Step 11: Restart your device. The new IMEI number should now be active.

3. Using MTK Engineering Mode

MTK Engineering Mode is another app designed for MediaTek devices that allows users to access hidden settings and options. It was specifically made for Taiwanese device manufacturers such as Tecno, Infinix, Elephone, Oppo, Chuwi, etc. While not fully recommended, reports have been that it works with Android devices made by non-Taiwanese manufacturers. Its clean interface makes navigating the app seamlessly.

Follow these steps to change your IMEI using MTK Engineering Mode:

• Step 1: Download and install the MTK Engineering Mode app from a trusted source.
• Step 2: Launch the app and select “MTK Settings”.
• Step 3: Scroll down and tap on “Connectivity”.
• Step 4: Next, tap on “CDS Information”.
• Step 5: Select “Radio Information”.
• Step 6: Choose either Phone 1 or Phone 2, depending on the SIM slot for which you want to change the IMEI.
• Step 7: Enter the following command in the input field: AT+EGMR=1,7,”Your_New_IMEI_Number”.
• Step 8: Tap on the “Send AT Command” button. A confirmation message should appear.
• Step 9: Restart your device, and the new IMEI number should be active.

Part 7: How to Fix Software Errors Without Changing IMEI Number?

If the reason you are looking for IMEI number change is constant software errors, better ways exist. One of the best choices to resolve software errors on Android devices is to use Wondershare Dr.Fone . It stands as the world’s first one-click Android repair tool. Dr.Fone offers an effective solution to address a range of Android system issues.

Its functionality restores the Android system to its normal state. All of this happens without needing any specialized skills. Dr.Fone ensures a hassle-free repair process.

Key Features of Wondershare Dr.Fone

1. Dr.Fone has a high success rate in resolving Android issues.
2. This tool supports a wide array of mainstream Android models, including the latest Samsung devices.
3. It has cemented its versatility and reliability in system repair for Android devices.

Steps to Repair Software Errors Without Changing IMEI Number via Dr.Fone

Here is how to repair all sorts of Android software issues using Dr.Fone. Follow the steps properly to repair all sorts of software errors in your Android device without changing the IMEI number:

Step 1: Navigate to Toolbox in Dr.Fone

Launch the Wondershare Dr.Fone software on your computer and navigate to the “Toolbox” section in the left panel. Connect the Android device requiring repair, then choose “System Repair” from the provided options. Proceed to the next screen, where you’ll select “Android” to start the repair process.

Step 2: Enter Your Lenovo ThinkPhone Device’s Details

You’ll proceed to a new screen, where clicking “Start” initiates the repair process. As you move to the next window, the platform will identify the “Brand” of the Lenovo ThinkPhone device. Then, choose the “Name”, “Model”, “Country”, and “Carrier”. If your device is already unlocked, select “OPEN” in the Carrier section. Afterward, mark the checkbox indicating agreement with the warning and readiness to proceed and Click “Next”.

Step 3: Put Your Lenovo ThinkPhone Device into Download Mode

When prompted, follow the on-screen instructions to enter Download Mode on your Android device. The platform will automatically commence downloading the firmware, displaying its details for verification. Opt for “Fix Now” to initiate firmware installation on your Android device.

Step 4: Complete the Android Repair Process

Remember, this repair process may result in the erasure of all data. Confirm and proceed by typing in “000000.” The system repair progress can be tracked via the progress bar on the screen. Once completed, a prompt window will confirm the process’s success. If your Android device restarts correctly, click “Done” to close the tool.

Conclusion

By using the Android IMEI changer, you will neither lose your data nor need to root your device in your pursuit of changing your device’s IMEI number. However, do remember that every situation is different, and there will come a time when you need to root your device before changing your Android’s IMEI number. We advise you to use this tutorial only for legal purposes and to check the laws and regulations in your country before attempting to change your device’s IMEI number.

You will also need the IMEI number if you want to unlock your phone and use it on another carrier provider. There are a lot of SIM Unlock services out there. It is important to choose a trustworthy and workable service to unlock your phone.