How To Change Your SIM PIN Code on Your Xiaomi Redmi Note 12 Pro 4G 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.

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.

Click here

![dr.fone on-screen instructions](https://images.wondershare.com/drfone/guide/remove-iphone-sim-5.png)

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!

Top 11 Free Apps to Check IMEI on Xiaomi Redmi Note 12 Pro 4G Phones

Your IMEI number is your device’s identity and being able to use it to check the legitimacy of your device should be easy. There are lots of websites that allow you to easily check your IMEI but in this world where we use our mobile devices more, most of us want the convenience of being able to perform this task on our devices.

For this reason, we saw it fit to compile a list of the best Android and iOS apps that allow you to easily do an IMEI check. Those apps are listed below.

Part 1: Top 6 Android Apps to Check your IMEI Number

1. IMEI info

The site IMEI info does just what the name suggest. It allows you to enter your IMEI (International Mobile Equipment Identity) number and immediately get information about your device. This unique 15-digit number is used to identify and track mobile devices, as well as to provide information about the Xiaomi Redmi Note 12 Pro 4G device’s brand, model, specifications, and other details.

It is easy to use and a great solution if you are just looking for a simple solution to find more information about your device using your IMEI number. Users can enter their device’s IMEI number on the website to check its status, verify its authenticity, and access other useful information. This can be helpful in situations such as purchasing a used device or finding lost or stolen devices.

Link: https://www.imei.info/

Pros:

User-friendly interface.
Provides detailed device information.
Checks blacklist and warranty status.
Offers additional services, such as phone unlocking.
Compatible with various devices and manufacturers.

Cons:

Limited information for some devices.
May provide outdated or inaccurate data.
Requires manual entry of IMEI.
Premium features require payment.
Privacy concerns when sharing IMEI.

Read Customer Service Reviews of imei.info

_This page was very helpful when my phone was stolen, and with it’s help I could check it’s IMEI status! Also you can find lots of basic and more advanced informations about different devices on this page, which can be very helpful too! – from Trustpilot _
_Information did you provided me is wrong, because several times I contacted to Sprint and T-Mobile bile, and then confirm that the phone by IMEI that I provided he’s not in their database. – from Trustpilot _

Tips: You’re going on a trip to Frankfort, but forgot to unlock your iPhone. You need to unlock it first, because you will get a message: “This iPhone is locked and cannot be used with another carrier.” I highly recommend using Dr.Fone - Screen Unlock (iOS) to remove SIM lock if you have the need. This software is user-friendly, effective, and reliable, ensuring that your device is unlocked without any issues.

safe & secure

2. IMEI Analyzer

Aside from just allowing you to check whether the IMEI number provided is valid, IMEI Analyzer will also provide you with data about your device based on the IMEI (International Mobile Equipment Identity) number . It also has an additional feature that calculates the IMEI number when you enter only 15 digits. It also analyses the IMEI number providing you with different information about the number itself such as the Serial Number (SNR), Type Allocation Code (TAC), Reporting body identifier, Final Assembly Code, and Check Digit.

By using an IMEI Analyzer, users can validate the IMEI number, check if the Xiaomi Redmi Note 12 Pro 4G device is blacklisted or stolen, and obtain information about the Xiaomi Redmi Note 12 Pro 4G device’s brand, model, and specifications. This can be particularly useful when buying a used mobile device or trying to recover a lost or stolen one. Some IMEI analyzers may also provide additional features such as warranty status checks, carrier information, and SIM lock status.

Download Link: https://play.google.com/store/apps/details?id=org.vndnguyen.imeianalyze&hl=en

Pros:

Provides detailed information about the Xiaomi Redmi Note 12 Pro 4G device’s IMEI number, including whether it is blacklisted or not.
Easy to use and navigate.
Free to download and use.
Helpful for those looking to buy a used phone and want to check its validity.

Cons:

Some users have reported that the app crashes frequently.
Limited features beyond IMEI analysis.
Some users have reported inaccuracies in the information provided by the app.

3. IMEI Generator & IMEI Changer

IMEI Changer is an app that will not only provide you with information about your device based on your IMEI number but also can be used to generate an IMEI number for your device. The developers however caution that the App may not be able to work for all mobile phones or SIM cards.

Pros:

Easy to use interface.
Provides detailed information about the Xiaomi Redmi Note 12 Pro 4G device’s IMEI number.
Offers free IMEI checks for basic information.
Provides in-app purchases for more detailed information.
Supports multiple languages.

Cons:

Requires a stable internet connection to function properly.
Some users have reported inaccurate or incomplete information.
In-app purchases can be expensive.
Some users have reported issues with the app crashing or freezing.

4. IMEI

IMEI just like all the others we’ve seen allows the user to get information on their devices based on their IMEI numbers. But that’s not all. Unlike others this one also allows users to quickly generate their IMEI numbers. It also has a lot of good reviews from those who have used it.

Download Link: https://play.google.com/store/apps/details?id=com.gerondesign.imei&hl=en

Pros:

User-friendly interface.
Quick IMEI scanning and checking.
Detailed device information provided.
Wide device compatibility.
Free to download and use.

Cons:

Free to download and use.
Limited to IMEI-specific features.
Possible information inaccuracies.
Infrequent updates.

5. IMEI Checker

IMEI Checker is another free Android app that is designed to help you find out more information about your device using the IMEI number. This small app is easy to use and most who have used have a lot of praise for the app.

The app allows users to check the IMEI number of their devices and gather detailed information such as the manufacturer, model, and blacklist status. This can be helpful for tracking lost or stolen devices and verifying the authenticity of a phone before purchasing it. Additionally, the app provides device information like hardware and software specifications, system details, and network information.

Download Link: https://play.google.com/store/apps/details?id=com.imeichecker.imeinumberfinder.deviceinfostatus

Pros:

Easy-to-use interface.
Quick IMEI scanning and analysis.
Detailed device information provided.
Useful for device verification before purchase.
Offers hardware and software specifications.

Cons:

Requires internet connection for IMEI check.
May not support all devices or brands.
Some users report inaccuracies in information.
Advertisements may be intrusive for some users.

Read Customer Service Reviews of IMEI Checker

IMEI is an exceptionally astounding and remarkable application. This is not difficult to utilize this application. Everybody can find their IMEI number through this application. By and by I like and love this application. Thus, thank you kindly IMEI checker. – from Google Play
It’s show only your device information like what is your IMEI number, mobile no. etc, it’s not tracker . – from Google Play

6. SIM Card Information and IMEI

SIM Card Information and IMEI will check and generate your device’s IMEI number and allow you to copy or share the information on social networks or via email. On top of providing information about your device, the app also provides SIM related information such as the contacts that are stored on the Xiaomi Redmi Note 12 Pro 4G device.

Download Link: https://m.apkpure.com/sim-card-information-and-imei/com.simcard.info.imei

Pros:

Simple user interface.
Useful for tracking lost or stolen devices.
Can check SIM card usage and balance.

Cons:

Requires an internet connection for some features.
Limited to IMEI and SIM card-related functionalities.
Privacy concerns regarding sharing of SIM and IMEI data.

Dr.Fone - Screen Unlock (iOS)

Unlock iPhone/iPad Without Passcode

Unlock Face ID, Touch ID, Apple ID without password.
Bypass the iCloud activation lock without hassle.
Remove iPhone carrier restrictions for unlimited usage.
No tech knowledge required, Simple, click-through, process.

3,981,454 people have downloaded it

Part 2: Top 5 iPhone Apps to Check your IMEI Number

1. MobiCheck

By entering your IMEI number in this app, you can check whether your device has been marked as stolen or blacklisted. All you have to do is enter your IMEI number into the slot provided and the MobiCheck app will display the information. You can download the app for free and your first check is free but all subsequent checks will cost you $0.20 per check.

Download Link: https://itunes.apple.com/us/app/mobicheck/id1057556237

Pros:

Simple and user-friendly interface.
Cloud and Find My iPhone status checks.
Compatible with both iPhone and iPad.

Cons:

In-app purchases for full functionality.
Limited to IMEI and device-related features.
Updates may not be frequent or address all issues.

Read Customer Service Reviews of MobiCheck

This app works !! Even better that is free! – from App Store
I’m stuck in a loop where it keeps telling me to confirm my account with an email sent to me, then I try to log in after confirming and it tells me my account has not been fully set up. Kept going back and forth with the same issue so I gave up and deleted the app. Total garbage, will update when/if issue fixed. – from App Store

2. iMei Blacklist Checker

iMei Blacklist Checker is another app that will allow you to get your device details just by entering the IMEI number. This app is available for the iPhone and iPad. It provides a wide range of information about your device and is very easy to use. Moreover, if you want to buy a second-hand iPhone, you can use this tool to check if the phone has been reported as lost or stolen before making the final purchase decision.

3. IMEI info for iPhone

IMEI info for iPhone is an application that allows you to check the status of your device by simply entering you IMEI number. The developers behind the app also offer an unlocking service that also utilizes your IMEI number. This is a great app that is very useful and easy to use.

Download Link: http://www.imei.info/

4. iPhoneOX

This site iPhoneOX offers a lot of services that include checking IMEI for free as well as unlocking services that are offered at a fee. It is a great and easy-to-use solution that will provide you with additional information about your device and even offer help whenever you get stuck.

Link: http://www.iphoneox.com/

5. iUnlocker

iUnlocker is another great application that will help you get information about your device from your IMEI number. It can also allow you to check a large number of IMEI numbers at once. Checking is free although they do offer an unlocking service that you will have to pay.

Link: http://iunlocker.net/check_imei.php

Dr.Fone - Screen Unlock (Android)

Remove Android lock screen in 5 minutes

Pattern, PIN, password, fingerprints & face screen lock can all be unlocked.
Bypass Android FRP lock without a PIN or Google account.
Unlock mainstream Android brands like Samsung, Huawei, LG, Xiaomi, etc.
No tech knowledge required, Simple, click-through, process.

3,981,454 people have downloaded it

Conclusion

In conclusion, these are the top free apps to check IMEI on iPhone and Android devices. These apps provide detailed information about the Xiaomi Redmi Note 12 Pro 4G device, including the manufacturer, model, and serial number. Additionally, they provide information about the network carrier, blacklist status, and warranty status. Users can also track their lost or stolen device using the IMEI number. These apps are essential tools for ensuring the security and compatibility of mobile devices.

All of these are ideal for helping you with IMEI checking. They can be great solutions and we hope that you are able to find the right one for your needs. Let us know how the one you pick works for you and if you encounter any problems while using any of the apps.

Tips: If you have ever had your iPhone locked, you know how frustrating it can be. You need to get a new SIM card and pay the carrier a lot of money, but with Dr.Fone - Screen Unlock (iOS) you can unlock your iPhone easily, quickly and safely for international use, and bypass the carrier SIM lock in many situations like “SIM Not Support “, “SIM Not Valid”, “SIM Locked” or “No Network Serves”.

Top 3 Sites to Find Free Xiaomi Unlock Codes to Unlock Your Xiaomi Phone

It is really irritating when you realize that Xiaomi Redmi Note 12 Pro 4G phone is locked to a specific network. When you travel to another country, your phone becomes useless – you can’t use a foreign sim card. If your Xiaomi Redmi Note 12 Pro 4G phone is locked to a network and want to switch to a different provider, you are out of luck.

Thankfully, there are a few easy ways to unlock your Xiaomi Redmi Note 12 Pro 4G phone with free Xiaomi unlock codes. In this article, we review and explain 4 different websites that offer free unlock codes for Xiaomi Redmi Note 12 Pro 4G phones. Read ahead and learn how you can use four Xiaomi unlock code websites.

Part 1: SIM Unlock Service

SIM Unlock Service is one of the best and trust-worthy SIM unlock code generators available on the market. This is not a free option, but it is so effective that many users find it is worth the price. It saves you so much hassle that it is worth the small upfront fee. Doctorsim will permanently unlock your phone, enabling you to use your phone on all carriers around the world. Most importantly, using DoctorSim will not void your warranty.

How to use DoctorSim SIM Unlock Service to unlock Xiaomi Redmi Note 12 Pro 4G phones?

Step 1. Go to DoctorSim’s official website , so you know that you can trust it. Click on the ‘Select Your Xiaomi Redmi Note 12 Pro 4G’ button, and then select Xiaomi from the list of brands.

Step 2. Fill in your phone’s information and your contact details in the following window, including the phone IMEI, phone model, and your email. Once your order is processed, the system will send you your personalized unlock code and unlocking instructions. You can then follow the instructions to unlock your Xiaomi Redmi Note 12 Pro 4G phone. Easy!

Part 2: Unlockitfree.com for free Xiaomi unlock codes

Unlockitfree.com is a free remote unlock service, providing unlocking codes for Xiaomi Redmi Note 12 Pro 4G phones and other models. They offer a fast and free service, but it is not always reliable.

How to use the Unlockitfree.com Unlock Service?

1. First, enter your phone’s unique IMEI into the site, and then the site checks to ensure that it is genuine.

2. Choose your phone model from the list provided, and then choose your country. Once you choose your country, a list of supported Service Providers will pop up. Choose your service provider, read the terms and conditions and accept. At this point, click Generate.

3. The Unlockitfree Generator will show you a series of 7 different unlocking codes. Not all of these will work; usually the best options are the 1st and 7th code on the list.

4. Without removing your SIM card, input these codes into your phone’s Home screen.

Hopefully you will have success – although, this is not guaranteed (as it is with the first Dr.Fone option above).

Part 3: FreeUnlocks for free unlock codes for Xiaomi

Unlock-Free is a great option for unlocking your locked Xiaomi Redmi Note 12 Pro 4G phone. The steps are quite simple and hassle free, but do keep in mind that this is a paid service. You might be able to use a free offer from TrialPay in order to get your Xiaomi Redmi Note 12 Pro 4G phone unlocked for free.

Here’s how you can use FreeUnlocks?

1. Visit the FreeUnlocks site and locate the box asking for the phone’s model name. Insert your Xiaomi model number into this box and then hit the “Unlock Phone” button.

2. After you select this button, you will taken to a new page where you will be prompted to enter 3 different pieces of information, such as the phone’s SIM’s availability, your country and your phone network.

3. Once you enter all of this information correctly, click the ‘continue’ button. This button will take you to a payment page, and you will have to pay $9.99. At this point you will be sent an unlock code, and you should be able to unlock your phone and use it anywhere in the world.

Part 4: Unlock-Free for Xiaomi unlock code

Unlock-Free offers free unlock codes for Xiaomi, as well as for other cellphone models and brands. This is a reliable site that will do the job with little hassle.

Using Unlock-Free to get an Xiaomi unlock code

1. Head to the Unlock-Free website. Hover your mouse or cursor over the left side “Free Services” button. Here you will see Xiaomi listed alongside other brands.

2. Once you select Xiaomi, you will see an Xiaomi logo. Below the logo is a list of many different model numbers; select your specific model number.

3. On the next page you will be prompted to enter your IMEI number. One you do this, you need to agree to the terms and conditions. At this point you will receive an unlock code that you use to unlock your Xiaomi Redmi Note 12 Pro 4G phone.

Dr.Fone - Screen Unlock (Android)

Unlock Your Xiaomi Phone Without Password

Pattern, PIN, password, fingerprints & face screen lock can all be unlocked.
Bypass Android FRP lock without a PIN or Google account.
Unlock mainstream Android brands like Samsung, Huawei, Xiaomi, Xiaomi, etc.
No tech knowledge required, Simple, click-through, process.

3,981,454 people have downloaded it

Conclusion

If your Xiaomi Redmi Note 12 Pro 4G phone is locked, you don’t need to worry. It is really easy to find Xiaomi unlocking codes online, and within a few minutes you should be able to unlock your phone and get using it on other networks and around the world. Enjoy!

Sim Unlock

How To Change Your SIM PIN Code on Your Xiaomi Redmi Note 12 Pro 4G Phone