How to Fix Xfinity Mobile Activation Problems? (3 Easy Steps)

How to Fix Xfinity Mobile Activation Problems? This article will concentrate on Xfinity mobile activation issues. The Xfinity activation process is normally smooth, but that does not mean that any subscriber who wants to activate their Xfinity cell service will not encounter bumps in the road.

However, this article will advise you on how to solve the problem. When it comes to the most popular subscriber options for cable TV and the internet, Xfinity is on the list.

This is why so many people use their services. In other words, Xfinity will provide you with access to cutting-edge cable TV, internet, and mobile subscriptions. This is made possible by their features, which improve connectivity and provide subscribers with an excellent overall experience.

When compared to other services, their packages offers, and overall services remain unrivaled. You rent a router that all members of your family can use with devices such as phones, smart TVs, PCs, laptops, and gaming consoles.

If you run into any problems while trying to set it up, refer to the instructions below.

Get Big Discounts for Internet, Phone, Mobile, and WIFI.
Up to 50% off
Toll-Free Number 1-855-202-7237
(Xfinity, Spectrum, COX, Verizon, AT&T, T-Mobile, etc.)

Xfinity Mobile Activation Problems
Xfinity Mobile Activation Problems

Important things to know before you begin:

  • To transfer your number, we’ll need information from your previous carrier. Make a copy of your bill as well as your account PIN. If you don’t remember your account PIN or number transfer PIN, you’ll need to contact your carrier.
  • If your new phone is an iPhone, you will have to insert the SIM card yourself (SIMs are pre-installed on Android phones). If you’re activating multiple iPhones, keep an eye on your SIM cards; each card is uniquely associated with a specific phone, and we’ll label them for you so you put the right card in the right phone. Learn how to insert a SIM card into your iPhone.
  • Activation times vary depending on your carrier and whether you intend to keep your number. Typically, the process takes no more than 10 minutes. However, if you’re transferring your number from a previous carrier, keep both your old and new phones nearby just in case.


  • Xfinity Mobile is a wireless service that aims to help users save money.
  • It is set up so that users can access the Internet via their phones.
  • It will not be connected in any way to the country’s largest LTE network or the majority of WiFi hotspots.


It shouldn’t take more than an hour, if that. This is entirely dependent on the location and device that you are activating. Like any other device/cell phone, it should take no more than an hour to set up, and you should be able to use it within minutes of activation.

Activation entails entering information about the device, the customer, and the location, as with generating a phone number, and the customer selecting the prefix (first three digits and possibly area code), followed by system programming of the device and the services the device will use and be programmed for within the account.

Xfinity Mobile Activation Problems
Xfinity Mobile Activation Problems: How To Fix?



Yes, it can simplify the entire activation process into four simple steps. Let’s go over each step and how to finish the activation task without being interrupted. Follow these steps to activate via Xfinity mobile/activate or

Unboxing Your New Xfinity Phone and SIM Card:

  • When you get a new phone, the first thing you’ll do is unbox it.
  • You must unbox your new phone to obtain the following items: an Xfinity Mobile Phone, a SIM card, a charger, and any extras.
  • When removing these components, make sure your Xfinity phone is turned off.
  • Please leave it in this mode until the procedure is finished.

Insert Xfinity SIM Card:

  • Now, insert the SIM card into the Xfinity phone.
  • Check that the SIM card is in the proper slot.
  • It’s straightforward. Refer to the instructions in the box if you’re unsure how to insert it.
  • Those who are still using their old phones can use the new Xfinity Mobile SIM card with Xfinity Mobile (if you choose to Bring Your Own Device – BYOD).
  • Eject the old SIM card and insert the new one into the phone.)
  • Note: Xfinity Mobile prevents SIM card confusion by assigning a label to each new SIM card that corresponds to a specific device.


Problem with Transferring Numbers

If you encounter an error while attempting to transfer your number, you must review the account information you entered to ensure it is correct. Your name, account number, transfer PIN, and billing address are all included.

In other words, you require information about the previous account. If you are certain that the details are correct but the error persists, you should contact your former carrier for assistance.

Before your phone number can be transferred, it must remain active with your current carrier until the process is completed. If the phone number is no longer active, go to You must select get a new number here.

Problem Setting Up Iphone
Problem Setting Up Iphone

The Problem When You Bring Your Own Cellphone

  1. First, make sure your current device is eligible for Xfinity Network activation.
  2. Contact your previous carrier to see if your device is unlocked.
  3. It is important to note that you must update the device you are using to the most recent software version. This will ensure your activation on the Xfinity network is successful.
  4. Check to see if the SIM card is properly inserted.
  5. Then turn off and restart the device.


Take note of the following if you are currently dealing with this issue: When activating your device, make sure you selected “Set Up Over Wi-Fi” rather than “Set Up Over Cellular.”

If the device is still not working after activation, check to see if “Xfinity Mobile” is written on the top left of the screen. If there isn’t one, follow the instructions below:

Connect to a Wireless network

  • Move to Settings >>> then General >>> About
  • Carrier Settings Update will appear >>> select “Update”

Other Problems

  • When faced with hitches, restart your phone.
  • If the issue lingers, contact customer service.

Certain SIM activation issues can be resolved by properly inserting the SIM card into the phone.

Before you begin the activation process, you must be connected to a Wi-Fi network.

  • When there is no Wi-Fi network available, navigate to Settings >>> Mobile data >>> Network mode >>> CDMA Only. This will display the phone so that the activation process can be completed.
  • If it still won’t activate, use ##RTN# for manual activation. Input it into the dialer. Contact your network provider to obtain this one-of-a-kind code.

Most of the time, the phone will not connect to the Xfinity network or some specific apps; you can fix this by following the steps below:

  1. Take the SIM card out of the device. Take note of the SIM ID and contact Xfinity customer service to confirm that the SIM ID on the card matches the one on your account.
  2. Insert the SIM card again after confirming and updating.
  3. Restart your phone and wait for the process to finish.

In addition, a simple factory data reset can help with SIM activation issues.

Xfinity Mobile Activation
Xfinity Mobile Activation


If you are still having trouble activating your new device, you can follow the steps below.

  1. Log in to your account and check to see if any service agreements are still outstanding. Check, for example, to see if you’ve signed the necessary documents. You will be unable to activate your device if you have not done so.
  2. You must have a reliable service where you live. So double-check that as well.
  3. Your SIM card must be correctly installed.
  4. If you have already turned on your new device before completing the activation process, you will need to restart it.


  • It would be beneficial if you looked after a few critical items.
  • You must transfer your mobile service from your old service provider to the new service provider because it is a new service provider.
  • When you transfer your phone number from another carrier to Xfinity Mobile Service.
  • Then there are a few things to keep in mind.
  • You should have a copy of the bill from your previous service provider.
  • There should be a four-digit account as well.
  • You can take what is most important from them even if you don’t have a bill.
  • If you activate the SIM in multiple iPhones, each SIM is assigned a unique identity to your phone.
  • It must be correctly inserted.
  • If you do not do this, you may encounter problems.
Xfinity SIM Not Supported On iPhone
Xfinity SIM Not Supported On iPhone


If, after following all of these recommendations, you are still unable to resolve the activation issue, you should contact the customer support department for further assistance.

The good news is that Xfinity has a very responsive support department that is always eager to resolve any pending issue you may be experiencing. You can contact them online or by phone whenever it is convenient for you.

Frequently Asked Questions

What is the duration before my Xfinity Mobile can be activated?

The activation time is about 10 minutes, but it varies depending on the carrier and whether you want to keep your current number. Those who want to transfer from a previous carrier should keep both their old and new phones handy in case they need anything from them.

How long does it take for Xfinity to activate?

Activation times vary depending on your carrier and whether you intend to keep your number. Typically, the process takes no more than 10 minutes. However, if you’re transferring your number from a previous carrier, keep both your old and new phones nearby just in case.

Why is my Xfinity activation not working?

Here are a few things to look for: When activating your device, make sure to select Set Up Over WiFi (rather than Set Up Over Cellular). If you activated your device but it isn’t working, make sure you see “Xfinity Mobile” on the top left of the home screen.

Similar Posts