Project Fi for iPhone brings Google’s flexible cellular service to Apple devices, combining strong coverage with transparent pricing.
This guide explains how Project Fi works on iPhone, what to expect for setup and everyday use, and how it compares with other plans.
| Plan Tier | Monthly Price | Data Allowance | Key iPhone Settings |
|---|---|---|---|
| Basic | $20 | Unlimited Talk & Text, 1GB High-Speed Data | Enable Wi-Fi Calling, Install Fi app |
| Plus | $35 | Unlimited Talk & Text, 6GB High-Speed Data | Enable Wi-Fi Calling, Install Fi app |
| Unlimited | $70 | Unlimited Talk, Text, and High-Speed Data | Enable Wi-Fi Calling, Install Fi app |
| Flexible | Pay per GB | Data purchased as needed, up to 100GB | Enable Wi-Fi Calling, Install Fi app |
Switching Your iPhone to Project Fi
Switching an iPhone to Project Fi involves porting your number, updating carrier settings, and enabling flexible data controls.
Most users can complete the move in minutes using the Fi app and a few prompts in Settings.
The process keeps your existing number and many plan features, including international texting and fast data in supported countries.
Activating Project Fi on iPhone
Check iPhone Compatibility
Compatible iPhone models include iPhone XS and later, with support for the necessary LTE bands used by Project Fi.
Insert Fi SIM or Use eSIM
You can use a Project Fi physical SIM or an eSIM profile, depending on your iPhone model and preference.
Complete Activation in the Fi App
Open the Fi app, follow prompts to verify identity, and approve the carrier settings update on your iPhone.
Network Coverage and Performance
Shared T-Mobile and Sprint Networks
Project Fi routes calls, texts, and data across T-Mobile and Sprint networks, leveraging strengths of each in different regions.
Automatic Selection and Smart Pause
Your iPhone automatically chooses the best network, and Smart Pause stops data when the screen is off to preserve data.
Data Usage and Controls
Flexible Plans and Notifications
You receive data usage alerts well before reaching limits, with options to adjust speed or add data quickly.
Wi-Fi Seamless Switching
Your iPhone moves smoothly between Wi-Fi and mobile data, with the Secure Core feature encrypting traffic on secure networks.
Managing Project Fi on iPhone Long Term
- Monitor data usage in the Fi app and set custom alerts to avoid surprises.
- Update carrier settings regularly to benefit from coverage improvements and new features.
- Review roaming settings when traveling to balance cost and performance abroad.
- Use Wi-Fi whenever possible to reduce mobile data consumption and improve call quality.
- Check device storage and iPhone settings periodically to ensure smooth performance and uninterrupted service.
FAQ
Reader questions
Do I need a special SIM for Project Fi on iPhone?
Yes, you need a Project Fi SIM or eSIM, and the Fi app will guide you through installation and activation steps.
Can I keep my current phone number when switching?
Yes, you can port your existing number to Project Fi during the transfer process through the Fi app.
Will my iPhone work internationally with Project Fi?
Yes, Project Fi includes international texting and data in many countries, with clear usage rules and fair speeds abroad.
How does data pricing work on Project Fi?
You pay only for the data you use in flexible plans, while unlimited plans provide high-speed data with defined thresholds and deprioritization.