How To Change Your SIM PIN Code on Your OnePlus 12R Phone

How To Change Your SIM PIN Code on Your OnePlus 12R Phone

Abner Lv13

How To Change Your SIM PIN Code on Your OnePlus 12R 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

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!

Easily Unlock Your OnePlus 12R Device SIM

Is your Android phone SIM locked? Having an unlocked device can have its benefits but most of the time most people don’t even know whether their device is SIM locked or not. In this article we are going to address this issue. We are going to begin by helping you find out whether your phone is locked or not and if it is, how you can sim unlock the OnePlus 12R device and enjoy the benefits of an unlocked phone.

Part 1: How to Know if your Android is SIM Locked

It is important to note that not all phones are SIM locked. You can find out if yours is by checking the OnePlus 12R device’s documentation. If you see the words “unlocked” on the initial receipt then you know that the OnePlus 12R device is not SIM locked.

Another easy way to find out is to ask your carrier if the OnePlus 12R device is locked on to their network. You can also just try inserting another carrier’s SIM into your device. If it doesn’t work, you will know that the OnePlus 12R device is SIM locked.

If you bought your device from a third party re-seller such as Amazon you are more likely to be in possession of an unlocked device.

Part 2: How to SIM Unlock your Android Device

If you find that your SIM is locked, here’s a few things you can do to unlock the OnePlus 12R device.

Avoid all of the apps on the Google Play Store that promise to unlock your device, most of them don’t work and may even harbour a lot of Trojans and malware that will cause further problems for you and your device.

There are safe and very legal ways to unlock your device. Just try one of the following.

Ask your Carrier to Unlock your Device

This is the best option when you want to safely unlock your device. By February 2015, American cell phone owners got the option to request their carriers to unlock their device for them. Before that the law didn’t allow for carriers to unlock SIM cards in the United States. This unpopular law was reversed following a similar move by the European Union in 2013. The same law also requires that the carriers inform customers every month whether their device is eligible for unlocking.

If your device is eligible for unlocking, all you need to do is contact the carrier provide and request for the sim network unlock pin . But if your Smartphone was bought on a contract, you may need to pay a termination fee to break the contract of you want to unlock the OnePlus 12R device before the contact term expires. For Smartphones that are not on contract, you have to wait 12 months from the date of purchase and ensure that your bill is paid before the carrier can give you the unlock code.

How to Unlock your Android Phone

To begin with, you need to confirm your IMEI number. Dial *#06# on your device and the IMEI number will appear on the screen. Copy this number to a secure location or wrote it down somewhere.

How to Unlock your Android Phone

The next step is to find a reputable service that will unlock your Android device for you. This is action you should take only if you are absolutely desperate and your carrier can’t unlock your device for you. This is because many of these sites are unregulated and many of them are not reliable.

You should also know that many of them will charge a certain amount for your service. You can try https://www.safeunlockcode.com/ which is one of the more reputable ones we have found.

android SIM unlock-safeunlockcode

You will need to enter the IMEI number as part of the information you need to provide before they can unlock your device.

Part 3: Troubleshooting Android SIM Unlock

There are lots of issues you may face when you try to unlock your device. The following are just some of the troubleshooting actions you can take if you encounter these problems.

Unlocking Code Fails to work

If you asked your carrier to unlock your device for you, chances are that they sent you a code. If the unlocking code fails to work double check that the IMEI number you used is the correct one and ensure that you purchased that device from that carrier and then try again.

Samsung Device Freezes during unlocking

If your device freezes during the unlocking process it typically means that you entered wrong unlocking code too many times. In this case you need to contact the carrier for a Master Code.

My LG device won’t unlock

There are some LG models that cannot be unlocked. These models include LG U300, LG U310, LG U8180, LG U8330, LG U8120, LG U8360, LG U8380, LGU880, and LG U890. If your device is one of these it can’t be unlocked by your carrier. You may need to look into other ways of unlocking your device.

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

Selena Lee

It is really irritating when you realize that OnePlus 12R 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 OnePlus 12R 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 OnePlus 12R phone with free OnePlus unlock codes. In this article, we review and explain 4 different websites that offer free unlock codes for OnePlus 12R phones. Read ahead and learn how you can use four OnePlus 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 OnePlus 12R phones?

Step 1. Go to DoctorSim’s official website , so you know that you can trust it. Click on the ‘Select Your OnePlus 12R’ button, and then select OnePlus 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 OnePlus 12R phone. Easy!

Part 2: Unlockitfree.com for free OnePlus unlock codes

Unlockitfree.com is a free remote unlock service, providing unlocking codes for OnePlus 12R 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 OnePlus

Unlock-Free is a great option for unlocking your locked OnePlus 12R 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 OnePlus 12R phone unlocked for free.

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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 OnePlus 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 OnePlus unlock code

Unlock-Free offers free unlock codes for OnePlus, 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 OnePlus 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 OnePlus listed alongside other brands.

2. Once you select OnePlus, you will see an OnePlus 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 OnePlus 12R phone.

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Conclusion

If your OnePlus 12R phone is locked, you don’t need to worry. It is really easy to find OnePlus 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!


  • Title: How To Change Your SIM PIN Code on Your OnePlus 12R Phone
  • Author: Abner
  • Created at : 2024-07-16 14:47:28
  • Updated at : 2024-07-17 14:47:28
  • Link: https://sim-unlock.techidaily.com/how-to-change-your-sim-pin-code-on-your-oneplus-12r-phone-by-drfone-android/
  • License: This work is licensed under CC BY-NC-SA 4.0.