How To Change Your SIM PIN Code on Your Huawei Nova Y71 Phone

How To Change Your SIM PIN Code on Your Huawei Nova Y71 Phone

Abner Lv13

How To Change Your SIM PIN Code on Your Huawei Nova Y71 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.

a phone sim card

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.

sim card locked

  • 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).

sim card security in settings

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

change sim pin code on android

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

enter old sim pin

  • 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 .

network carrier sim locked

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.

dr.fone toolbox home interface

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

dr.fone screen unlock tools

  • 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.

dr.fone unlock the sim card

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

dr.fone on-screen instructions

  • 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.
![dr.fone removed sim card lock](https://images.wondershare.com/drfone/guide/remove-iphone-sim-7.png)

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!

Three Ways to Sim Unlock Huawei Nova Y71

You probably purchased your Huawei Nova Y71 for a significant discount but are now stuck with the same network for a couple of years. You loved the Huawei Nova Y71 device but your network provider does not have any plans that exactly suit your needs. To release your device from your current network’s clutches, you will need to unlock your phone.

There are three ways you can do it and this post will go through each method so that you can find one that you are most comfortable with. Do note that if your contract has ended with your network provider, this “How to unlock Huawei Nova Y71” post can be skipped as you can just ask them to unlock your phone or purchase a sim network unlock pin for a minimal price.

Part 1: Huawei Nova Y71 Unlock Code

This is probably the easiest, no-fuss method to sim unlock Huawei Nova Y71. Follow these steps carefully to successfully perform Huawei Nova Y71 unlock code.

Do take note that this process may not work with your carrier. Therefore, always check if this is the right way to obtain the necessary code:

  • 1. Check the SIM lock status—you can do this by dialing *#*#7378423#*#*.

sony xperia unlock code

  • 2. Tap Service info then Sim lock.

unlock with sony xperia unlock code

  • 3. The number beside Network indicates how many attempts you have to unlock the phone. If it says ‘7’ it means you have seven attempts; ‘0’ simply means it is hard locked and cannot be unlocked using this method.

unlock code sony xperia

  • 4. Find the IMEI number by dialing *#06#. Jot it down as this will be your code.

sony unlock code

  • 5. Insert your new SIM card and tap in the IMEI number when it asks you for SIM network unlock PIN.

sony unlock screen

If you have followed these steps to a tee, you should have unlocked your device. If you had to abort after Step 2, look at the other two methods below.

Part 2: The Best Huawei Nova Y71 SIM Unlock Code Generator

To safely and successfully sim unlock your Huawei Nova Y71, it is important to find a trustworthy sim network unlock pin software . Here I am going you present to you DoctorSIM - SIM Unlock Service. It definitely is one of the best sim unlocking code generators in the market. It helps you permanently sim unlock your phone so you can use it on any carrier provider you want in the world.

How to use SIM Unlock Service

Step 1. Visit Doctor - SIM Unlock Service official website, click on the Select Your Huawei Nova Y71 button, and then select Huawei among all the phone brands.

Step 2. On the new window, fill in your phone IMEI number, model, your contact email, and other required information. Once your order is processed, the system will then send you the unlock code and instructions. You can follow the instruction to unlock your phone easily.

Part 3: Huawei Nova Y71 Unlock Carrier

If your Huawei Nova Y71 is hard locked, this is your best bet in getting your device unlocked. Actually, it is the safest method among all three:

  1. Get a new SIM card from a new carrier.
  2. Call your carrier’s customer service line and ask what are the requirements to qualify you to get your Huawei Nova Y71 unlocked. If you have honored your contract, there should not be any problems. However, do ask your carrier if there are any additional requirements. Do note that there may be fees involved.
  3. Once your customer service representative has determined if you have met all their requirements, they should give you the SIM network unlock PIN Huawei Nova Y71. Again, depending on your carrier, they might either give you the code over the phone, through email or via SMS. If you have the choice, always opt for email or SMS so that you are able to jot down the right number.
  4. Once you have gotten the code, insert the new SIM card (from your new carrier). You will receive a prompt to enter your code. Make sure that you key in the right code—entering the wrong code will cause your phone to be locked (possibly forever).
![sony unlock screen](https://images.wondershare.com/drfone/article/2016/08/unlock-screen.jpg)

Part 4: Huawei Nova Y71 Unlock App/Software

There are some of us out there who are just not confident with doing things ourselves or trusting our own carrier.

HOWEVER, if your first instinct is to head to Google Play to look for SIM unlock tools, heed these cautions. There are currently many apps that claim that they can unlock your phone but it is just a scam. You should also avoid torrent files available online. These apps and software are usually laced with Trojans and other types of malware. So do sort through the reviews so that you will not fall into a malicious trap.

One that we can attest to is  MyMobileUnlocking.com ; it is fast and affordable. Here is how you can unlock your Huawei Nova Y71:

  • Choose your Country from the dropdown menu and click the  Confirm country button.

unlock sony xperia

  • Select your device’s Phone Brand (Huawei Ericsson) and click the Confirm brand button.

unlock sony phone

  • Choose the service that you want and click the Confirm service button.

network unlock sony xperia

  • Click the Buy now button and complete the order form.

sim unlock sony xperia

  • Once you are finished, click the Place order button.

unlock sony xperia

  • Make payment for the service. Follow the instructions carefully.

sony sim unlock

  • You will then get the confirmation and code emailed to you.
  • Insert your new SIM card into your Huawei Nova Y71 device.
  • Key in the code when it prompts you to do so.

sim network unlock pin sony xperia

Part 5: The benefits of an unlocked Huawei Nova Y71

If you now know how to unlock Huawei Nova Y71 but still do not know its advantages, we are here to help.

As indicated in the introduction, unlocked phone users can freely choose the plans they subscribed to—on any carriers, in any country. Therefore, if you travel frequently around the world, having an unlocked Huawei Nova Y71 would be beneficial. Using a local SIM card is much cheaper than paying for exorbitant roaming charges.

You can also benefit from an unlocked Huawei Nova Y71 if you are the kind of person who likes to take advantage of current offers provided by your local carriers. Prepaid plans are always changing in terms of offering so having the flexibility of changing carriers and prepaid plans can help you save money in the long run.

Part 6: The downside of an unlocked Huawei Nova Y71

Are you thinking “Well, why can’t I just buy an unlocked Huawei Nova Y71 in the first place?” right about now? Well, you can but think of the amount of money it will cost you.

For example, in Australia, an unlocked Huawei Nova Y71 will cost around $499 from any Huawei outlet but $0 for the Huawei Nova Y71 device when you pair it with a 24-month postpaid plan. While this may look attractive now, you may be paying more for a locked Huawei Nova Y71 in the long run.

Conclusion

Now that you know the three ways of unlocking your Huawei Nova Y71, all you need to do is find one that is most compatible with you. Just remember to think of everything through and carefully. Most importantly, if you have a locked device, always seek advice from your carrier to see if this is possible.

Network Locked SIM Card Inserted On Your Huawei Nova Y71 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 Huawei Nova Y71 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.

sim locked

Part 2: Why Does Your Huawei Nova Y71 Say Invalid SIM Card – Network Locked SIM Card Inserted?

remove network lock

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 Huawei Nova Y71 device and is one of the most common errors in network locked SIM card inserted devices. During that time, the Huawei Nova Y71 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 Huawei Nova Y71 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 Huawei Nova Y71 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 Huawei Nova Y71 device. Due to firmware problems, the users may also face a network-locked SIM card-inserted device.

unlock sim card

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.

www.sentrypc.com

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 Huawei Nova Y71 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.

choose the network unlock service

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.

add the imei number

Method 3. Repair Your Huawei Nova Y71 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.

BLUETTI NEW LAUNCH AC180T

choose system repair tool

Step 2: Add Your Huawei Nova Y71 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.”

add android smartphone details

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 Huawei Nova Y71 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.

press the fix now button

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.

homepage

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

screen unlock page

  • 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.

remove sim locks

  • Next, the system will detect the Huawei Nova Y71 device connection, then its information will show up on your PC screen. If all of it is OK, click on the “Unlock Now” option.

verify your device

  • 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.

jailbreak instructions

  • 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.

insert sim card

  • 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.

sim unlock progress

  • 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.

sim lock removed

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 Huawei Nova Y71 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.

  1. 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.
  2. Since nobody wants to purchase a locked phone, it is hard for someone to sell or gift the mobile.
  3. 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.

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.


  • Title: How To Change Your SIM PIN Code on Your Huawei Nova Y71 Phone
  • Author: Abner
  • Created at : 2024-07-16 13:58:44
  • Updated at : 2024-07-17 13:58:44
  • Link: https://sim-unlock.techidaily.com/how-to-change-your-sim-pin-code-on-your-huawei-nova-y71-phone-by-drfone-android/
  • License: This work is licensed under CC BY-NC-SA 4.0.