Network Locked SIM Card Inserted On Your Oppo F25 Pro 5G 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 Oppo F25 Pro 5G 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 Oppo F25 Pro 5G 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 Oppo F25 Pro 5G device and is one of the most common errors in network locked SIM card inserted devices. During that time, the Oppo F25 Pro 5G 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 Oppo F25 Pro 5G 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 Oppo F25 Pro 5G 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 Oppo F25 Pro 5G 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 Oppo F25 Pro 5G 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 Oppo F25 Pro 5G 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 Oppo F25 Pro 5G 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 Oppo F25 Pro 5G 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 Oppo F25 Pro 5G 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 Oppo F25 Pro 5G 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.

Easily Unlock Your Oppo F25 Pro 5G 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 Oppo F25 Pro 5G 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 Oppo F25 Pro 5G device’s documentation. If you see the words “unlocked” on the initial receipt then you know that the Oppo F25 Pro 5G device is not SIM locked.

Another easy way to find out is to ask your carrier if the Oppo F25 Pro 5G 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 Oppo F25 Pro 5G 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 Oppo F25 Pro 5G 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 Oppo F25 Pro 5G 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.

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.

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.

Sim Unlock Oppo F25 Pro 5G Phones without Code: 2 Ways to Remove Android Sim Lock

When we have an Android phone, we are connected to the world, and everything goes fine. But when we find that our phone is locked to a specific network, and it doesn’t support any other SIM operator, a pile of issues start arising. Unlocking SIM has many benefits: the main benefitis that your phone gets freedom from network restrictions, and you can use anyother GSM network which you need as per your need and move anywhere with your lovely phone. An unlocked phone also helps you save money in many ways. Therefore,it is essential for every single Android user to know the very ways of unlocking his/her Android Phone.

Today, we are showing you 2 ways to sim unlock Android phone without sim network unlock pin . We will show you each method with clear screenshots and will also point outthe pros and cons of each method.

Part 1: Unlock SIM Using Galaxsim Unlock

Before sharing how to unlock an Android phone without code using Galaxsim, it is important to know a bit about this smart application. Galaxsim Unlock is an awesome application developed for unlocking Android smartphones and tablets including but not limited to S, S2, S3, some S4,Tab, Tab2, Note, Note2, etc. It can unlock most of the new Galaxy devices successfully in a moment so that the users can use any other network.

Now we are going to show you howto use GalaxSim Unlock to unlock an Android phone without code. Follow up the following steps and unlock the SIM on your Android.

Step 1. Download and Install GalaxSim

What we have to do first is to visit the Google Play Store to download Galaxsim and install it on the Android phone we want to unlock.

Step 2. Launch Galaxsim Unlock

In this step, we have to open Galaxsim by tapping on its icon. You can easily find its icon on your Android phone.

Step****3. Check Status and Unlock

Once Galaxsim is opened, you have to give your permission to run it onthe Oppo F25 Pro 5G device. It will show you the status of the Android phone if it is locked ornot as in the screenshot. Viewing the status,you have to click on Unlock to start the process.

Step****4. Phone Unlocked

You will get your phone unlocked now in a moment as shown in the screenshot below. Now you have successfully unlocked your phone and can use another sim for sure.

Pros

• User-friendly and easy to use
• Provides detail information of the lock status
• Allows you backup EFS data and restore on Google Drive or Gmail for free.
• Supports most phones from Galaxy Family·
• Compatible with phones previously unlocked with “voodoo unlock”or “galaxy s unlock.”
• Persistseven after reset / flash / wipe / unroot
• Also, detects errors such aslost IMEI/Serial in nv_data by using other apps
• No need of Code for unlocking

Cons

• Needs in-app purchase
• May not support some phones
• All features are not free to use

Part 2: Unlock SIM using Galaxy S Unlock

GalaxyS Unlock is a smart SIM unlocking application developed for Android devices. Like Galaxsim, it also doesn’t use any unlocking code yet, can easily unlock your Android phone. It helps you unlock any Galaxy S, Galaxy S II, Galaxy Tab and Note phone.

To use this application,you can follow these simple steps.

Step 1. Download and Install

At first, you have to download Galaxy S Unlock from the Google Play Store using this download link.

Step 2. Open Galaxy S Unlock

After installing, open Galaxy S Unlock on your phone. It will ask you to save the EFS file before unlocking.

Step 3. Phone Unlocking

This is the last step and your phone will be unlocked. It will also ask you to restart your phone to finish the process. Once it is unlocked, you can restore the EFS data and insert another SIM for using another network.

Pros

• User-friendly and freely available
• Saves EFS data

Cons

• Not supporting all android phone

Conclusion

Reading this article lets you know the three best ways to sim unlock your Android without code. You can adopt any one of the mentioned methods to remove the restriction imposed on your phone. The steps as you read are simple and easy to follow. The most important fact about these methods is that you don’t needany unlocking code.

Dr.Fone - Screen Unlock (Android)

Unlock Your Oppo F25 Pro 5G Device in a Flash

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• 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.

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