How Do I Deactivate FDN? A Step-by-Step Guide to Disabling FDN

If you’re looking to disable FDN (Fixed Dialing Number) on your device, this step-by-step guide will provide you with the necessary instructions. FDN is a feature that allows you to restrict outgoing calls to a limited set of predefined numbers. By deactivating FDN, you regain control over your call permissions and can make calls to any number you desire. Follow this guide to easily disable FDN on your device and enjoy unrestricted calling.

What Is FDN And Why Would You Want To Deactivate It?

FDN, or Fixed Dialing Number, is a security feature on mobile devices that restricts outgoing calls and messages to a pre-approved list of contacts. While FDN can be useful in controlling communication and preventing unauthorized usage, there may be reasons why you would want to deactivate it.

One common reason is that FDN can limit your ability to make emergency calls. If you find yourself in an emergency situation and need to contact emergency services or numbers not included in your FDN list, deactivating FDN becomes necessary.

Additionally, FDN can be restrictive for individuals who regularly need to communicate with new or unfamiliar contacts. Disabling FDN allows for more flexibility in calling and messaging options.

It’s important to note that deactivating FDN may have implications for your device’s security and usage. It’s crucial to understand the implications and consider alternative call and messaging restriction options before making the decision to disable FDN.

Step 1: Accessing The FDN Settings On Your Device

In order to deactivate FDN (Fixed Dialing Number) on your device, you first need to access the FDN settings. The process of accessing these settings may vary depending on the type of device you are using, such as a smartphone or a feature phone. Here are the general steps to access the FDN settings on most devices:

1. Start by unlocking your device and navigating to the home screen or main menu.
2. Look for the “Settings” or “Phone Settings” option and tap on it. This is usually represented by a gear or wrench icon.
3. Scroll through the settings menu until you find the “Call Settings” or “Phone Settings” option and select it.
4. Within the call settings, you may have to further navigate to find the “Fixed Dialing Numbers” or “FDN” option. It is typically located within the “Security” or “Restrictions” sub-menu.
5. Tap on the FDN option to access its settings.

By following these steps, you should be able to access the FDN settings on your device, allowing you to proceed with disabling the FDN feature. Remember, the specific steps may differ slightly based on your device’s make and model.

Step 2: Disabling The FDN Feature On Your Device

After accessing the FDN settings on your device, the next step is to disable the FDN feature. This process may vary slightly depending on the device you are using, but the general steps are similar.

1. Open the FDN settings: Once you have accessed the settings menu on your device, navigate to the “Call settings” or “Security” section. Look for the option labeled “Fixed Dialing Numbers” or “FDN.”

2. Disable FDN: In the FDN settings, you will usually find a toggle switch or checkbox that allows you to enable or disable the FDN feature. Toggle the switch to the “Off” position or uncheck the box to deactivate FDN.

3. Enter FDN PIN: Some devices may require you to enter your FDN PIN before you can disable the feature. If prompted, enter the PIN provided by your service provider or the one you set up previously.

4. Confirm and save changes: Once you have disabled FDN and entered any necessary PIN, confirm your selection and save the changes. This will deactivate the FDN feature on your device.

By following these steps, you can easily disable the FDN feature and regain full control over your calls and messaging on your device. Remember to consult your device’s user manual or contact your service provider for specific instructions if you encounter any difficulties during the process.

Troubleshooting Common Issues When Deactivating FDN

When attempting to deactivate FDN (Fixed Dialing Number) on your device, you may encounter a few common issues that can hinder the process. This section will guide you through troubleshooting these issues to ensure a smooth deactivation experience.

One potential problem you might face is difficulty accessing the FDN settings on your device. This can occur if your device’s user interface or operating system layout differs from the standard instructions provided. In such cases, look for alternative paths to reach the FDN settings, such as checking under “Security” or “Phone” settings.

Another common issue is the inability to disable the FDN feature due to forgotten or unknown PIN codes. If this happens, contact your mobile network operator to obtain the correct PIN code or request assistance in resetting it.

Additionally, certain devices may display error messages or fail to deactivate FDN if there are network connectivity issues. Ensure that you have a stable and reliable network connection before proceeding with the deactivation process.

By addressing these troubleshooting tips, you can overcome potential obstacles and successfully deactivate FDN on your device for unrestricted calling and messaging capabilities.

What Happens After Deactivating FDN? Understanding The Implications

After deactivating Fixed Dialing Number (FDN) on your device, there are several implications you need to be aware of. Firstly, without FDN, you will no longer have restrictions on the numbers you can call or message. This can be both advantageous and disadvantageous. On one hand, you will have the freedom to communicate with anyone without limitations. On the other hand, this may lead to accidental dialing or messaging, potentially resulting in increased costs.

Additionally, deactivating FDN means that you may be susceptible to incoming calls and messages from unknown or unwanted sources. FDN provides a certain level of security by limiting communication only to pre-approved numbers. Without it, you might receive calls or messages from telemarketers, scammers, or unwanted individuals.

Furthermore, if you relied on FDN to control usage and manage expenses on your device, deactivating it could lead to potential misuse or excessive usage, especially for children or employees using company-owned devices.

Before deactivating FDN, it is essential to carefully weigh the advantages and disadvantages specific to your situation to ensure it aligns with your communication needs and preferences.

Alternatives To FDN: Exploring Other Call And Messaging Restriction Options

When it comes to call and messaging restriction options, FDN is not the only solution available. This section explores alternative methods that can help you achieve similar goals.

One popular alternative is using third-party apps or software specifically designed for parental controls. These apps offer a range of features including call and message blocking, time restrictions, and content filtering. They often provide more flexibility and customization options compared to FDN.

Another option is to contact your mobile service provider and inquire about any built-in call and message restriction features they may offer. Many carriers have their own call blocking services, which can be activated upon request. These services usually allow you to block specific numbers, restrict outgoing calls, and set up time limits for calling.

Additionally, some smartphones have a built-in feature that allows you to create profiles or user accounts with customized settings. By creating a restricted profile for yourself or your child, you can limit access to certain functions, including calls and messaging.

Before deciding on an alternative, consider your specific needs and the level of control you require. It’s also important to research and choose a solution that is compatible with your device and meets your security preferences. By exploring other options, you can find the best fit for your call and messaging restriction needs.

Final Thoughts: Factors To Consider Before Disabling FDN

Before disabling the Fixed Dialing Number (FDN) feature on your device, there are several factors worth considering.

Firstly, think about the purpose of FDN and why you initially activated it. FDN allows you to restrict outgoing calls and messages to a pre-approved list of contacts. If you have concerns about unauthorized usage or want to limit communication on your device, disabling FDN may not be the best decision.

Consider your specific needs for call and messaging restrictions. Are there alternative methods that can achieve the same goals without completely disabling FDN? Explore other options like call barring, app restrictions, or parental control features, which may offer more flexibility and customization.

Additionally, assess the potential consequences of deactivating FDN. Will this impact your ability to make emergency calls? Could it lead to accidental costs from unrestricted usage? Take into account any potential risks or disadvantages that may arise from disabling FDN.

Lastly, consult the user manual or contact customer support for your device. They can provide specific guidance and address any concerns or questions you may have.

Overall, carefully weigh the pros and cons, and only disable FDN if you are confident it aligns with your needs and preferences.


1. How do I deactivate FDN on my device?

To deactivate FDN (Fixed Dialling Numbers) on your device, follow these steps:
1. Go to the Settings menu on your device.
2. Locate and select “Phone” or “SIM Card” settings.
3. Look for the option “Fixed Dialling Numbers” or “FDN” and tap on it.
4. Disable FDN by turning off the toggle switch or unchecking the relevant option.
5. Confirm the deactivation by entering the PIN2 code associated with your SIM card if prompted.
6. Save the changes and exit the settings menu.

2. Can I deactivate FDN on any type of device?

Yes, FDN deactivation is generally available on most devices that support SIM cards. Whether you have a smartphone, feature phone, or a basic mobile device, you should be able to find the FDN deactivation option in the device settings. However, the exact location and labeling of the option may vary depending on the device’s operating system and manufacturer.

3. Will deactivating FDN affect my ability to make calls?

Deactivating FDN will not affect your ability to make regular calls to any numbers. However, if you have specific contacts stored on your SIM card and have enabled FDN, you will no longer be able to call those contacts unless their numbers are added to the FDN list. Always ensure that you have saved important contacts to the phone’s memory or have an alternative way to access them before deactivating FDN.

4. How can I activate FDN again if needed?

If you wish to activate FDN again at a later time, follow these steps:
1. Open the Settings menu on your device.
2. Navigate to the “Phone” or “SIM Card” settings.
3. Look for the “Fixed Dialling Numbers” or “FDN” option.
4. Enable FDN by turning on the toggle switch or checking the relevant option.
5. Enter the PIN2 code associated with your SIM card if prompted.
6. Save the changes and exit the settings menu.
By following these steps, FDN will be activated, and you can use the feature again to restrict outgoing calls to predefined numbers.

Final Verdict

In conclusion, deactivating FDN can be done easily by following the step-by-step guide provided in this article. By understanding the importance of disabling FDN and the potential benefits it brings, users can take control of their mobile network settings and choose a suitable plan that meets their needs. It is imperative to remember that deactivating FDN might vary slightly depending on the device and service provider, so it is advisable to consult the specific instructions provided by them. By disabling FDN, users can enjoy the flexibility of making calls to any number they wish, expanding their communication options and enhancing their overall mobile experience.

Leave a Comment