In 2024, Network Locked SIM Card Inserted On Your Xiaomi Redmi Note 12R Phone? Unlock It Now

Network Locked SIM Card Inserted On Your Xiaomi Redmi Note 12R Phone? Unlock It Now

Carriers provide cellular connections so you can access the Internet, send text messages, and make phone calls without Wi-Fi. You cannot escape the carriers once you begin using a cell phone.

Customers can purchase a new handset via carriers or the mobile phone market. You may need an unlocked phone if you wish to use a different carrier’s service on your smartphone. However, if you want a gadget linked to a specific SIM card, you may buy one from the carriers for a reduced price.

Part 1: What Does It Mean If Your Xiaomi Redmi Note 12R Asks for SIM Network PIN?

When your phone prompts you to enter a SIM Network Unlock PIN, it means that your device is currently locked to a specific mobile network carrier, and it can only be used with SIM cards from that carrier. This locking mechanism is usually put in place by the carrier or the phone manufacturer to ensure that you continue to use their services, typically for the duration of a contract. As a result, your phone cannot be freely used with SIM cards from other carriers until it’s unlocked using the correct PIN or code.

Part 2: Why Does Your Xiaomi Redmi Note 12R Say Invalid SIM Card – Network Locked SIM Card Inserted?

System Errors

Since SIM locking is a smartphone restriction implemented to stop it from being used on other networks, Android system errors can cause network-locked SIM cards. Resetting these errors can help unlock your network locked SIM card inserted device. Service providers decided to provide a formal SIM unlocking option as a result.

Because of this, any locked SIM may be readily unlocked, and once a device opens, it can work like a conventional mobile phone and with any SIM card of the user’s choosing.

Carrier Lock

The consumer must stick with the same service provider for a specific time after purchasing the bundled device and data pack. This is called a carrier lock on the Xiaomi Redmi Note 12R device and is one of the most common errors in network locked SIM card inserted devices. During that time, the Xiaomi Redmi Note 12R device will be network- or SIM-locked, prohibiting the user from changing service providers.

The user cannot change the SIM. The service provider will offer the SIM Unlock code needed to unlock the handset when the contract expires. The gadget can be used with any other SIM card and exported to another country without problems when the network lock has been removed.

Region Lock

Apple and AT&T initially worked together to implement the SIM lock and the SIM locked devices. The original purpose was to force the user to continue using the same service provider in a specific area or time.

However, some telecom service providers sell the handsets with select data plans as bundled plans in collaboration with the Xiaomi Redmi Note 12R device manufacturers. As a result, the handset will cost less than it would otherwise. Sometimes, these offers are particular to a specific region, called a carrier lock.

Firmware Problems

Sometimes, the Xiaomi Redmi Note 12R device manufacturers release many versions of the same firmware for different geographical locations.

As a result, it may be possible that the user may face contradictions in the agreement of device firmware and the network-locked SIM card that was supposed to be used on the Xiaomi Redmi Note 12R device. Due to firmware problems, the users may also face a network-locked SIM card-inserted device.

Part 3: How to Unlock Network Locked SIM Card Inserted?

Unlocking a network-locked SIM card may seem like a complex task. However, it can be a straightforward process if you follow the right steps. In this section, we will guide you through the process of unlocking your network-locked SIM card. We will discuss 3 different ways you can unlock a network-locked SIM card inserted:

Method 1. Contact Network Carrier to Unlock Network Locked SIM

Contacting your network carrier is often the most recommended choice. It is a straightforward and reliable method to unlock your network-locked SIM card. Unlocking your network-locked SIM card through your carrier is a reliable and legal method. Before contacting your carrier, get information like your device’s IMEI number and account details. There are several ways to get in touch with your network carrier’s customer support.

You can call the customer support hotline, visit the website, or go to a physical store. The process usually involves receiving an unlock network code, which you need to use. Once you’ve entered the unlock code, your phone should display that it’s now unlocked. Test it with the new SIM card to ensure that it can make calls, send texts, and access mobile data without any issues.

Method 2. Use Online Unlock Service to Unlock Network Locked SIM

There are many online services available for unlocking a network-locked SIM card. In case you don’t want to go through your network carrier, these can be a good alternative. These services employ the IMEI number of the Xiaomi Redmi Note 12R device to unlock smartphones.

One such service is Canada Unlocking , which offers to unlock your network-locked SIM card via email. Follow these steps to unlock a network-locked SIM card via online services:

Step 1: Use a web browser to access an online SIM card unlocking service like Canada Unlocking. On the main page, choose your network carrier or device brand.

Step 2: Follow it by providing the IMEI number of your device. Afterward, make the required payment, and you will receive the unlock code via email.

Method 3. Repair Your Xiaomi Redmi Note 12R Firmware If Your Unlocked Phone Suddenly Network Locked

Coming across “Network Locked SIM Card Inserted“ doesn’t necessarily mean that your SIM card is network locked. It can also happen due to a system bug or glitch. This can be the case if you suddenly face this issue after recently updating your device. In such scenarios, you need a reliable Android system repair tool like Wondershare Dr.Fone.

With this tool, you can repair Android OS system issues such as black screen of death, apps crashing, and many more. It supports over 1000 Android models across all major Android brands for system repair. Below are the steps you need to fix the network-locked SIM card issue:

Step 1: Download and Connect Wondershare Dr.Fone

First, download Wondershare Dr.Fone from its official website. Install the software on your system and launch it to proceed. Establish a connection between your Android and the system using a USB cable. Furthermore, access the “Toolbox” section and select “System Repair” to move forward.

Step 2: Add Your Xiaomi Redmi Note 12R Device Details

After selecting “System Repair,” you will proceed to a new window. Here, choose the “Android” button and proceed to the next screen to select “Start.” Now add your device details like “Brand”, “Name,” “Model,” “Country,” and “Carrier.” Then, checkmark the “I agree with the warning and I am ready to proceed” box from the bottom right corner and click “Next.”

Step 3: Solve the Network Locked SIM Card Inserted Issue

Now, you need to put your Android device into Download Mode. You can follow the instructions given on the screen for it. As soon as the Xiaomi Redmi Note 12R device is in Download Mode, Wondershare Dr.Fone will start downloading the firmware. Once it is downloaded and verified, click “Fix Now.”

Confirm your choice by inserting “000000” in the pop-up dialogue box and tap “Confirm.” It will start the Android repair process to fix all system issues.

Bonus Tip. How to Unlock Network Locked Sim Card Inserted on iPhone?

If you want a fast and easy method to unlock your network-locked iPhone, you can use a third-party tool such as Dr.Fone – Screen Unlock (iOS). It is the best sim-unlock tool for iPhone users. It enables users to safely unlock their devices within five minutes. With Dr.Fone, you don’t have to wait for the sim-unlock code or reset your device firmware that can remove all your data.

You can download Dr.Fone on your PC and use it to unlock your iPhone without data loss. You can also use Dr.Fone to unlock your iPhone’s screen lock and Apple ID. Although Dr.Fone is a one-stop solution for all of your phone-related problems, its sim-unlock only works for Apple devices. Here is how you unlock your carrier-locked iPhone with Dr.Fone – Screen Unlock (IOS).

Download and install Dr.Fone on your PC. Launch the application and select the “Screen Unlock” tab from the list on the homepage.

Now, click on the “Remove SIM Locked” tab on the next page. You can only use it to unlock iPhones.

Connect your iPhone and PC with a USB cable. Once your device is ready, click on the “Start” option to proceed with the sim unlock process.

Next, the system will detect the Xiaomi Redmi Note 12R device connection, then its information will show up on your PC screen. If all of it is OK, click on the “Unlock Now” option.

You cannot unlock your iPhone without a jailbreak, so you must do it before the system unlocks it. You can learn about the jailbreak process via the guide, or watching the video provided by Dr.Fone to jailbreak your iPhone is also feasible. The process is compatible with devices running iOS 12 to iOS 14.8.1.

Now, you have to complete three tasks on your iPhone. First, put the SIM card out of your device. Open “Settings” and tap on the “WIFI” option. Tap on the blue exclamation mark next to all the connected networks and select “Forget This Network.” Now, switch off the “WIFI” and insert the locked SIM card in your iPhone. Click on the “Continue” option on your computer.

After that, Dr.Fone will automatically start the SIM unlocking process. You can see its progress on your PC. The process only takes a few minutes to complete, so you don’t have to wait for a long time.

After the process ends, all the sim restrictions on your iOS device are now removed and you can use sim cards from any network carrier. Next, click on the “Done” option to end the sim unlocking process.

Part 4: Why is SIM Unlocking Important?

As previously stated, a SIM lock enables a service provider to stop a customer from using the smartphone with the SIM cards of another service provider. This guarantees that the Xiaomi Redmi Note 12R device is only being used with the original SIM card for each provider. This locking also has a lot of drawbacks because it is incompatible with any other SIM card.

The phone cannot be used with other SIM cards if the SIM lock is enabled. Customers must therefore adhere to the current plan as is.
Since nobody wants to purchase a locked phone, it is hard for someone to sell or gift the mobile.
Traveling abroad with a SIM-locked phone could provide some challenges because you won’t be able to use a local SIM card on the phone while you’re there.

All the problems can be fixed, and the SIM works in any nation with the removed SIM lock.

Click here

### Conclusion

Any of the methods above can work to get around the prohibition against using other SIM cards with your Android handset. The best thing about using Dr.Fone-Screen Unlock is that you don’t need unlocking codes to complete the tasks.

What Is a SIM Network Unlock PIN? Get Your Xiaomi Redmi Note 12R Phone Network-Ready

A network-locked device tethers you to one carrier, limiting your choices. You might miss out on better deals, struggle with roaming charges abroad, or feel inconvenienced by limited coverage. And you can’t avoid these things without the right SIM network unlock PIN.

That’s why we’ve created this comprehensive guide to help you unlock your phone’s potential. This article will explain what a SIM network unlock PIN is, the process involved, and answer any questions you might have. Keep scrolling to learn more.

Part 1: Why Is Your Xiaomi Redmi Note 12R Asking for a SIM Network Unlock PIN?

You just bought a new phone, excited to use it with a new SIM card. But your phone pops up with a request for a PIN code to unlock it. What’s that all about, and what do you enter? There are two main reasons why your phone might be asking for a SIM PIN or unlock code:

SIM Network Lock

The SIM Network Lock is a restriction placed by your phone’s original network provider, locking it to their network. It means you can only use the Xiaomi Redmi Note 12R device with SIM cards from that specific carrier. Carriers use this to ensure that the phones they sell work only with their service. When you buy a subsidized phone, they want to ensure you stick around for the contract duration.

If you insert a SIM card from a different carrier, your phone will ask for a SIM Network Unlock PIN or Network Unlock Code (NUC). You’ll learn more about it in the upcoming sections of this article.

SIM Card Lock

SIM Card Lock is a security feature that protects your SIM card from unauthorized use on other devices. It requires you to enter a PIN (Personal Identification Number) to unlock the SIM card before you can use it.

The default PIN is usually printed on the back of the SIM card or its packaging. If you haven’t changed your PIN, use the 4-8 digit code provided by the carrier when you get your SIM card.

If you’ve forgotten the SIM PIN code, you can use the PUK (PIN Unlock Key) code to unlock the SIM and set a new PIN. The PUK code is also printed on the SIM card packaging, but be careful, as entering the wrong PUK code too many times can permanently lock the SIM card.

Not knowing the SIM unlock PIN code can be frustrating, especially if you want to switch mobile carriers. So, in the next part, we’ll explore whether it’s possible to unlock a SIM network-locked iPhone device.

Part 2: Can a SIM Network Locked iPhone Be Unlocked?

Yes, a SIM network-locked iPhone can be unlocked by your network provider. Insert a new SIM card, and you’ll be prompted to enter the SIM Network Unlock PIN. After inputting the correct unlock code, your iPhone is ready to use with any carrier.

If you are thinking about unlocking your iPhone, it’s crucial to grasp what a SIM Network Unlock PIN is and how it functions.

Part 3: What Is a SIM Network Unlock PIN?

A SIM network unlock PIN is a code allowing you to remove your phone’s network lock. It means you can use your phone with a SIM card from any compatible network provider, not just the one you originally bought it from. It is also known as Network Unlock PIN (NUP), Network Control Key (NCK), or Network Unlock Code (NUC).

Unlocking your device can be useful if you:

Bought a phone locked to a specific carrier and want to switch to a different one.
Are planning a trip abroad and want to use a local SIM card instead.

Still haven’t finished your contract with your original carrier and want to keep the phone but use a different service.
Bought a phone second-hand locked to the previous owner’s network.
Want to increase your phone’s resale value; unlocked phones generally have a higher resale value than locked phones, as various buyers can use them.
Want more carrier flexibility; you are not tied to one carrier and can choose the provider that best suits your needs in terms of price, coverage, data plans, and other features.

Things To Consider

Before you proceed, here are some key points to remember:

Eligibility: Not all phones are eligible for network unlocking. Check with your carrier or manufacturer for details.
Costs: While some carriers can give SIM network unlock PIN for free, others may charge a fee. Third-party unlocking services also typically charge a fee.
Waiting time: It can take days or even weeks to receive your SIM unlock PINcode from your carrier and process it. For instance, Vodafone usually unlocks the Xiaomi Redmi Note 12R device within 72 hours to 10 days if they have to reach the manufacturer.
Risks: Using an unauthorized unlocking method could damage your phone or void its warranty.
Backup: Before unlocking your phone, back up your data, as the process may erase it.

Now that you understand SIM Network Unlock PIN, let’s get down to business! In the final part, we’ll guide you through the two ways of unlocking your iPhone for a new carrier.

Part 4: How To Unlock Your iPhone for a New Carrier?

Ready to unlock your iPhone and explore your carrier options? Read on, and this part will break down each method step-by-step so you can choose the one that best suits your situation.

Method 1: Unlock SIM Card Without SIM Network Unlock Pin Fast

If you’re wondering about unlocking a second-hand iPhone, what to do if the carrier’s SIM network unlock PIN doesn’t work, or if you can’t wait for the network provider’s response, don’t worry. You have one of the best mobile solution apps to remove SIM lock available here.

Wondershare Dr.Fone , a powerful mobile solution app, can simplify this process. Regardless of mobile carrier or purchase method, it can unlock your iPhone in a few minutes.

Important Considerations:

Fone will not be able to remove the SIM lock if your iPhone’s mobile carrier blocks or blacklists the IMEI.
Jailbreaking is necessary for SIM lock removal and can void your iPhone’s warranty.

So, if you plan to switch carriers without a SIM network unlocks PIN code, this method is a good fit for you. Follow these steps below to fix common issues like “SIM Not Supported” and “SIM Locked” with ease.

Step 1: Download and install Dr.Fone on your computer. Connect your iPhone to your computer using a USB cable. Next, launch the app to set up your account, then from the Toolbox homepage, select Screen Unlock.

Step 2: After you select iOS as your device type, choose the Remove SIM Locked option.

Step 3: Click Start to initiate the process. On the next screen, click Unlock Now to confirm your device information.

Step 4: Jailbreak your iPhone using the guide or video in the pop-up window.

Step 5: Follow the in-app guide to complete the SIM lock removal process.

Step 6: Wait for the process to finish. Dr.Fone will notify you when the SIM lock has been removed.

Method 2: Get a SIM Network Unlock Pin for Free From the Network Carrier

Requesting a SIM network unlock PIN for free is usually straightforward. iPhones purchased from carriers are often locked to their network for a certain period (AT&T and Verizon require 60 days).

Step 1: Visit your carrier’s website or contact them to confirm if your phone is eligible for unlocking.
Step 2: If eligible, submit a request through your carrier’s website or app. You may need to provide information like your IMEI number, account details, and proof of purchase.

Step 3: Depending on your carrier, you might receive the unlock code after a few days or weeks. It might be delivered via email, text message, or online account.
Step 4: Follow the instructions provided by your carrier for your phone model. It usually involves inserting a SIM card from a different carrier and entering the SIM network unlock PIN code when prompted.

Important notes:

Some carriers may charge a fee for unlocking your phone and only unlock devices for customers in good standing with their accounts.
Unlocking your phone may not be possible, depending on your contract, device financing, or other factors.
Ensure you follow your carrier’s instructions for unlocking your phone model to avoid issues.

Conclusion

Unlocking your phone opens a world of flexibility and potential savings. You’re free to choose any carrier, access more international roaming options, and even boost your phone’s resale value.

But remember, safety first! Avoid shady websites or unofficial tools promising instant unlocks. These can be risky and even harm your device.

Instead, opt for safe and legal methods. Contact your carrier directly to request a SIM network unlock PIN or use a reputable tool like Dr.Fone Remove SIM Lock. It offers a user-friendly interface and an efficient way to unlock your phone, empowering you to maximize your device usage.

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!

Ways To Find Unlocking Codes For Xiaomi Redmi Note 12R Phones

When you have a locked device, it is pretty much impossible to move from one network to another. This would cause problems if for instance you wanted to travel outside the country and want to switch to that country’s carrier for the duration of your stay. Or maybe you just want to switch carriers because you don’t like your current provider.

Whatever the reason, you should be able to unlock your device easily. But this has often proven difficult because of the fact that you need unlock codes. The problem is that many sites promise free unlocking codes for your device and many turn out to be fraudulent sites that use the word “free” in their advertising but actually require you to pay for the service. If you have been unsuccessfully searching for free unlocking codes for your device, look no further. This article compiles three of the best for Android and iPhone.

Part 1: 3 Ways to Find Unlocking Codes for Android Devices

1. Unlock it Free

Website URL: http://www.unlockitfree.com/

This site does exactly what it says it will do- unlock your device for free. It offer a great unlocking service especially for Nokia devices. It is also very easy to use. All you have to do once you’re on the homepage is enter the model number of your device (this is typically the number or code that follows the name of the Xiaomi Redmi Note 12R device) and then click “find”

In the next window, you will be required to enter your IMEI number, phone model, country and provider. You can get your IMEI number by dialling *#06# on your device.

Once you have entered all the details correctly click “Generate” and the website will give you seven different codes to unlock your device.

Use the first one. If it fails to work, try the last code. 80% of people unlock their devices with either the first or the last code. Of this doesn’t work either, try 2 more. But don’t enter more than 4 codes as this will disable your device.

2. Trycktill

Website URL: http://www.trycktill.com/

This one is more a website for mobile content but it can also generate free mobile unlocking codes. Click on “Unlock” on the top bar menu to begin. The site is in Swedish so may want to translate it before you can use it. You can do that by clicking on the British Flag at the bottom of the page.

Select your phone model from the drop down menu and then select the model number and enter the IMEI number. Finally, agree to the terms and conditions and then click “Generate Code.”

In the results page you should see a code as well as instructions on how to use it to unlock the phone. The codes and instructions will differ slightly depending on the Xiaomi Redmi Note 12R device model.

This website unlocks LG, AEG, MAXON, Nokia, Panasonic, Vitel and Siemens devices.

3. NokiaFree

Website URL: http://www.nokiafree.org/

Despite the website name and its URL, this site doesn’t just unlock Nokia devices. It can unlock a lot of other devices as well. You can use it online or download the software which supports more brands.

Once you have downloaded the software, launch to on your computer and then provide the required information, the IMEI number, your Phone model and make, country and service provider. Then click on “Calculate” and the program will generate unlock codes for you and how to use them.

Dr.Fone - Screen Unlock (Android)

Unlock Your Xiaomi Redmi Note 12R Device in a Flash

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

Part 2: 3 Ways to Find Unlocking Codes for iPhones

For iPhone users there is a way to get unlocking codes for free. This is a new form of payment known as TrialPay. The following three sites offer you the chance to trade tasks for unlock codes.

1. Free Unlocks

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

On this site you can trade a few tasks for iPhone unlock codes by choosing to pay via TrialPay. In fact the site offers you the chance to choose between paying in cash or via TrialPay.

To use it all you have to do is select the phone model and the phone type. You will then be required to enter your IMEI number and when you get to checkout, choose TrialPay to complete the order. You will complete a task and then get your codes delivered to your inbox.

2. iPhoneIMEI

Website URL: iPhoneIMEI.net

iPhoneIMEI.net uses an official method to unlock iPhone devices and whitelist your IMEI from Apple’s database. Your iPhone will be unlocked automatically Over-The-Air, simply connect it to a Wifi network (Available for iOS 7, iOS 8, iOS 9, iOS 10 or higher, iOS 6 or lower should be unlocked by iTunes). So you don’t need to send your iPhone to the network provider. The unlocked iPhone will never be relocked no matter you upgrade the OS or sync with iTunes.

3. DoctorSIM - SIM Unlock Service

SIM Unlock Service supports both iPhone and Android devices. Even though it is not free unlock code, it surely will provide you a totally better experience to sim unlock your iPhone. It helps you unlock your iPhone so you can use it on any carrier provider you want in the world. Most importantly, it will not void your warranty.

On SIM Unlock Service official website, click on Select Your Xiaomi Redmi Note 12R button, and then select your phone brand among all the smart phone brands.

On the new window, fill in your phone IMEI number, model, contact email, and other required information. After your order is processed, the system will send you the unlocking code and instruction. You can then follow the instruction and use the unlocking code to unlock your phone.

Dr.Fone - Screen Unlock (iOS)

Unlock SIM Cards in a 3-Step Method

Support newly released models from iPhone 5S to iPhone X.
Move to any network operator within minutes aimlessly without data loss.
You can unlock an iPhone without an R-SIM.
Compatible with most carriers, T-Mobile, Sprint, Verizon, etc.