Network Locked SIM Card Inserted On Your Oppo A59 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 A59 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 A59 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 A59 5G device and is one of the most common errors in network locked SIM card inserted devices. During that time, the Oppo A59 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 A59 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 A59 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 A59 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 A59 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 A59 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 A59 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 A59 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 A59 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 A59 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.

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.

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.

Top 10 Oppo A59 5G Android SIM Unlock APK

Part 1. Top 10 Android SIM Unlock APKs

The following are the top SIM unlock apps for Android devices.

1. GalaxSim Unlock

This is an app that is designed to unlock the SIM for Samsung Galaxy devices. It eliminates the need for a sim network unlock pin to unlock the Oppo A59 5G device, all you need to do is press a button and you can change your carrier SIM. The app itself is free to download but you have to make an in-app purchase to unlock the Oppo A59 5G device. It also comes with additional features that include the ability to Backup and Restore EFS data and also get detailed information on your SIM status.

2. Unlock your Phone

This is another Android app that can help you unlock your device’s SIM. It is fast, reliable and safe to use. It can be used to unlock all brands including Blackberry, LG, HTC, Huawei, Motorola, Samsung, Sony and Alcatel devices. You can pay for the unlocking service via PayPal.

Parental Control Software

#1 Rated Parental Control Software.
Monitor & Control all PC Activity!
sentrypc.com/parental-controls/ ### 3\. Device SIM unlock

This is another app that can be used to unlock a whole host of devices including almost all Samsung Models, LG models, HTC, Alcatel and Sony devices. It is also very easy to use and has received quite a lot of good reviews from those who have used it.

Dr.Fone - Screen Unlock (Android)

Unlock Your Oppo A59 5G 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

4. SIM Unlock- Samsung Galaxy

This is an app that will unlock your device and allow you to use it with just about any other app. It is an app that is designed to work with Samsung devices only although it does support all Samsung devices. It works by generating a code that can be entered on to the Oppo A59 5G device to unlock the SIM. The app itself is free to download but you have to pay for the unlock codes. Payment can be made via PayPal or credit card.

5. SIM unlock for HTC phones

Download Link: https://play.google.com/store/apps/details?id=io.unlock.htc

As the name suggests this app can be used to unlock HTC devices. It is compatible with just about all HTC devices and although the app can be installed for free, you have to pay for the unlock codes you need to unlock the Oppo A59 5G device. It is very easy to use, with an interface that provides assistance. It can unlock devices for any carrier in the world. They also accept PayPal as a form of payment.

6. Unlock your Phone Fast & Secure

Download Link: https://play.google.com/store/apps/details?id=com.unlockscope.app

This is an Android app that you can use to unlock just about any Android device. Like most of the ones we’ve seen it works by generating unlock codes for your device. Orders are completed in real time and they even offer a 100% money back guarantee. It can be used to unlock almost all devices including LG phones, Samsung phones, HTC phones, Motorola phones, Blackberry phones and Sony devices among many others.

7. Unlock Phone Free Unlock Codes

This is yet another app that allows you to easily unlock your Android device. It works on just about any Android device and has been used by enough people to gain a reputation. It is very easy to use and will also generate the unlock codes for your device in real time. But don’t let the name fool you, the service is in no way free. Only downloading the app is free. But they do accept PayPal as a form of payment.

8. Unlock My Oppo A59 5G

This app will unlock almost all devices in the shortest possible time. Like all the others on this list it does this by providing you with unlocking codes for your device. It can unlock a wide range of devices including HTC, LG, Motorola, Nokia, Sony Ericsson, Samsung, and Blackberry among others. The app itself is free to download but you have to pay to receive the unlock codes.

9. Mobile Unlocking app

Another really reliable Android app that unlocks your device’s SIM. This one has been around for quite a while and with a few bug fixes it has grown to become a very reliable app. There is just one constant complaint that we’ve noted with the app- most people say the unlocking service is too expensive. It has however been used by a lot of people and can unlock just about any device as long as you have the IMEI number.

10. Phone Unlock Codes

This app has been around providing unlocking services for over 10 years. It is a great app if you are looking for reliable and affordable unlocking services. You provide the app with the IMEI code for the Oppo A59 5G device you want to unlock and the app generates a code for you to use in unlocking the Oppo A59 5G device. The app allows you to make payment via PayPal or credit card and can be used to generate codes for lots of devices including LG, HTC, Huawei, Nokia, Samsung and Sony among many others.

We hope you are able to find an app to unlock your device. Let us know how the app of your choice worked out for you.

Part 2. Best Android SIM Unlock Service

Besides app the useful apps to help you SIM unlock the phone, you can also try a reliable SIM Unlock service. DoctorSIM Unlock Service works perfectly for SIM unlocking your Android phone. It’s a totally hassle-free solution.

How to use SIM Unlock Service to Unlock Your Oppo A59 5G

Step 1. Visit the official website and click on Select Your Oppo A59 5G. Then select your phone brand among all the logos.

On the following webpage, fill in your phone model, IMEI number and contact email, and finish the payment process.

Step 3. The system will send you the unlock code and instruction email shortly. You can then follow the instruction along with the unlock code to permanently unlock your Android phone.

Sim Unlock Oppo A59 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 A59 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.