Google Fi Dialer Codes:

Phone Settings: *#*#4636#*#*

Auto: *#*#342886#*#*
Next: *#*#346398#*#*
Repair: *#*#34963#*#*
Sprint: *#*#34777#*#*
T-Mobile: *#*#34866#*#*
US Cellular: *#*#34872#*#*

 

These codes can be used to force a network change on the Google Fi Network.

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