Activate your Google Fi service

Important: Before you can use the service internationally, you must activate and use Google Fi in the US. Territories are not included for this service. Exceptions apply to military and State Department employees who serve abroad. If eligible, verify your government status.

Check if Google Fi supports your phone model

With Google Fi, most popular phones are compatible. If you’re unsure if your phone is compatible with Google Fi, check your phone’s compatibility.

Use unlocked devices with Google Fi. If you buy your phone from Google Fi or the Google Store, it’s already unlocked.

If you’re unsure if your phone is unlocked, contact your carrier or where you bought it.

Set up Google Fi on iPhone

Start activation on the Google Fi app

Important: You must start your device activation within the app. Download the Google Fi app and tap it to open.

On your device, download the Google Fi app .
The Google Fi app performs device and compatibility checks.

Start your eSIM activation

If you’re on an iPhone XS or newer, to set up service, download an eSIM.

On your iPhone, connect to a Wi-Fi network.
Sign in to the Google Account connected with the phone number you want to use.
To set up your phone number and download an eSIM on your iPhone, follow the in-app instructions.
To set up your connectivity, return to the Google Fi app .
Update your network settings:
1. On the device you want to activate, open the Settings app.
2. Tap Cellular Cellular Data Network.
3. In your “Settings” field, enter these texts:
  - Cellular Data APN: h2g2
  - LTE Setup APN: h2g2
  - MMS APN: h2g2
    - MMSC: http://m.fi.goog/mms/wapenc
    - MMS Max Message size: 23456789
  - Optional: Personal Hotspot APN: h2g2-t

Tip: The iPhone out-of-box eSIM transfer experience isn’t supported by Google Fi. If you activate service on a new iPhone, skip the carrier step of the iPhone setup wizard. To set up service, download the Google Fi app.

Start your pSIM activation

If you’re on an older iPhone which isn’t eSIM-compatible, to set up service, order a physical SIM card.

If you haven’t already, order a SIM kit.
Insert the physical SIM into your iPhone.
Download the Google Fi app .
To set up your phone number and activate service on your physical SIM, follow the in-app instructions.
To set up your connectivity in the Google Fi app, finish all instructions in the app.

Resolve incorrect account sign-in

Make sure you sign in to your Google Fi account and not another Google Account. If you sign in to the wrong account, scan a new code:

On your iPhone or iPad, open the Settings app.
Tap Cellular the plan you want to erase Remove Cellular Plan.
Delete the current eSIM from the device.
Sign in to the correct account.
Scan a new QR code.

Fix QR code issues

If the QR code doesn't work:

Delete the current eSIM.
Reload the QR code page.
Scan the new QR code.

Start your eSIM activation without a second device

If you don't have a second device, you can activate a Google Fi eSIM on iPhone using the phone only method:

On the device you want to use Google Fi on, sign in to Google Fi.
Select eSIM Don't have a computer?
Follow the instructions on the Google Fi app.

Make sure your Google Fi service works

Test your calls, texts, and data:

Call someone.
Send a text.
Test your data. To make sure your data works, turn off Wi-Fi.

If you’re transferring your number to Google Fi, it can take up to 24 hours before you can send or receive text messages.

If features don't work 24 hours after you finish activation and have a phone number with Google Fi, contact Google Fi support.

Enhance your Google Fi experience

To improve your Google Fi experience, some features work automatically behind the scenes.

We expand your coverage in places where the mobile network isn’t as strong so that you can make calls over Wi-Fi.
- When this feature is in action, your device displays “Wireless ."
When you get close to or reach your monthly data budget, Google Fi sends you alerts to turn notifications on or off.

Learn more about Google Fi tips and tricks.

If you have more than one Google Account on the phone, the Google Fi account must be the admin or owner account.

Frequently asked questions

How to download an eSIM

If you’re on iOS 17.4 and up, you can download an eSIM directly from the Google Fi app. If you’re on older iOS versions, you must navigate to the Google Fi app. This guides you through the eSIM download process. You can also scan a QR code.

How to know if my eSIM works

After you download an eSIM, to finish your connectivity setup, return to the Google Fi app. After you complete the in-app setup, it can take between 5–20 minutes for a device to connect to the network. To verify if the connectivity works, try to use data, place a call, or send a text.