Fizz guarantees the proper functioning of all the devices it sells. However, you may use your own device, provided it meets the requirements outlined below. Good to know: smartwatches are not supported at this time. If you wish to use an eSIM Good to know: if your phone is not compatible with eSIMs, don’t worry. You can still get a physical SIM card online, or from one of our partner stores. Important: Check your device’s compatibility before ordering an eSIM. Not all phones support eSIM technology, and even among compatible models, certain versions or software updates may affect compatibility. It is therefore essential to verify this information directly with your device’s manufacturer (for example, on their website or by contacting their customer service) to ensure that your specific model and its current software version support the use of an eSIM. Fizz cannot guarantee compatibility for every device on the market, and we do not maintain a comprehensive list of supported devices. If you’re using your own phone, is it VoLTE-compatible with Fizz? The withdrawal of the 3G network began on July 31, 2025, for Fizz and several of its partners. All calls made with your Fizz mobile plan will then go through the LTE network thanks to VoLTE technology. That’s why it’s so important for your phone to be VoLTE-compatible at Fizz or else none of your c alls (including 911 calls) will go through when the 3G network is gone. Understand the importance of VoLTE Good to know: - A non-exhaustive list of VoLTE-compatible phones, when purchased from Fizz, is available for general information. - The best way to confirm whether your phone is VoLTE-compatible at Fizz is, once your Fizz mobile plan is activated, to make a call by dialing #TEST (#8378) on your mobile phone while at