Découvrez l'expérience du réseau GSM avec Tello | Avis Tello 2021

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Découvrez l'expérience du réseau GSM avec Tello | Avis Tello 2021

Table of Contents

  1. Introduction
  2. Tello MVNO Carrier Review
    • 2.1 Pros
    • 2.2 Cons
  3. Tello Plans and Pricing
    • 3.1 Data Plans
    • 3.2 Voice Minute Plans
    • 3.3 Text Plans
  4. Network Coverage: Sprint vs. T-Mobile
    • 4.1 Transition to T-Mobile Network
    • 4.2 User Experiences
  5. Testing Tello's Network Speed
    • 5.1 Download Speed
    • 5.2 Upload Speed
  6. Voice Quality and Call Features
    • 6.1 Voice Quality Test
    • 6.2 Volte, Wi-Fi Calling, Hotspot, and Tethering
  7. My Tello App
    • 7.1 User Interface and Functionality
    • 7.2 Login Issues and Support
  8. Recommendation and Conclusion

Tello MVNO Carrier Review

Tello is an MVNO carrier that operates on the Sprint network. However, new customers now receive a three-in-one SIM card kit that uses the T-Mobile network. It is unclear how the network transition is going for existing customers. Tello offers a variety of data plans, including a one-gigabyte 4G LTE plan with unlimited minutes and texts. In terms of functionality, Tello supports VoLTE, Wi-Fi calling, hotspot, and tethering. The website interface of Tello is clean and user-friendly, in contrast to some other providers.

Tello Plans and Pricing

Tello offers flexible data plans and allows customers to choose the amount of data that suits their needs. They also provide voice minute and text plans separately. The pricing varies depending on the selected plan. Overall, Tello provides affordable options for customers with different usage patterns.

Data Plans

Tello offers a range of data plans, including 1GB, 2GB, 4GB, 6GB, and unlimited data plans. Customers can choose the plan that best suits their data requirements and budget. The plans include high-speed 4G LTE data and throttle down to 2G speeds after reaching the data limit.

Voice Minute Plans

Tello offers voice minute plans for customers who primarily use their phones for calling. The plans include a limited number of minutes and vary in terms of pricing.

Text Plans

For customers who rely heavily on text messaging, Tello provides affordable text plans. These plans offer a certain number of text messages and cater to different messaging needs.

Network Coverage: Sprint vs. T-Mobile

With the transition to the T-Mobile network for new customers, it is important to consider the network coverage and quality. T-Mobile coverage may vary depending on the area and congestion levels, so it's crucial to assess the network performance before making a decision.

Transition to T-Mobile Network

Existing Tello customers who were previously using the Sprint network are going through a transition to the T-Mobile network. The process and experience of this transition are still unclear.

User Experiences

T-Mobile network coverage can be variable depending on the location. Some users have reported experiencing good coverage and reliable speeds, while others have encountered inconsistency and slower speeds. It is advisable to check the network coverage in your specific area before switching to Tello.

Testing Tello's Network Speed

Network speed is an important factor to consider when choosing a carrier. By conducting speed tests in different areas, we can evaluate Tello's network performance.

Download Speed

In a test conducted in a specific area, Tello's network showed decent download speeds, reaching up to 32.6 megabits per second. However, network speeds may vary depending on the location and network congestion.

Upload Speed

The upload speeds on Tello's network were also acceptable, averaging around 10.1 megabits per second. While not the fastest, these speeds can still support basic online activities such as sending emails or uploading files.

Voice Quality and Call Features

Aside from data speeds, the quality of voice calls is an essential aspect of a carrier's service. Tello offers various call features such as VoLTE, Wi-Fi calling, hotspot, and tethering.

Voice Quality Test

During a voice call test, the voice quality on Tello's network was generally good, although some minor fluctuations were observed. Speakerphone use seemed to cause slight distortions, but switching to regular mode improved the clarity. Overall, the call quality was satisfactory.

Volte, Wi-Fi Calling, Hotspot, and Tethering

Tello supports important call features such as VoLTE, Wi-Fi calling, hotspot, and tethering. Users can enjoy these functionalities depending on their device's compatibility and the network coverage.

My Tello App

Tello provides a mobile application called "My Tello" for users to manage their accounts and services. The app allows customers to track data usage, voice minutes, and texts. It also provides a convenient way to modify plans or access customer support.

User Interface and Functionality

The My Tello app has a clean and user-friendly interface, providing a seamless experience for account management. It allows users to conveniently track their usage, view account details, and make changes to their plans or services.

Login Issues and Support

Some users have reported difficulties logging into the My Tello app. Despite following the recommended steps, such as using the mobile number or receiving a one-time SMS code, they were unable to access their accounts. Contacting Tello support was not entirely helpful, as the provided solutions did not resolve the login issues consistently.

Recommendation and Conclusion

Tello can be a suitable option for customers living in areas with good T-Mobile coverage and minimal network congestion. With affordable plans and a range of features, Tello offers flexibility and value for money. However, it is important to check the network coverage and assess the speed performance in your specific area before making a decision.


  • Affordable plans
  • Flexible data options
  • VoLTE, Wi-Fi calling, hotspot, and tethering support


  • Varying network coverage and speed
  • Login issues with the My Tello app

Found this review helpful? Leave a comment below and let us know your thoughts on Tello and your personal experience with the carrier.


  • Tello is an MVNO carrier operating on the Sprint and T-Mobile networks.
  • Tello offers a variety of affordable data, voice minute, and text plans.
  • Network coverage and speeds can vary depending on the area and congestion levels.
  • Tello supports key features such as VoLTE, Wi-Fi calling, hotspot, and tethering.
  • The My Tello app provides a convenient way to manage accounts and services but may have login issues.



Q: Does Tello offer unlimited data plans? A: Yes, Tello provides unlimited data plans along with other flexible options to suit different usage needs.

Q: Can I use Tello on an iPhone? A: Yes, Tello is compatible with both Android and iPhone devices. However, some users have reported login issues specific to certain devices, so it is advisable to double-check before signing up.

Q: Can I keep my phone number if I switch to Tello? A: Yes, Tello allows customers to transfer their existing phone numbers from other carriers.

Q: What happens if I reach the data limit in my plan? A: Once you reach the data limit in your plan, your internet speed will be throttled down to 2G speeds.

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