Category Archives: Project Fi

Project Fi Dialer Codes

Here are a list of dialer codes that can be used with Project Fi.  These codes shouldn’t be used unless you are aware that they may impact the way your Fi phone switches between carriers.

Carrier Selection

Alpha Code Dialer Code Description
FI AUTO *#*#342886#*#* Set carrier selection to automatic.
FI NEXT *#*#346398#*#* Select Next Carrier
FI SPR *#*#34777#*#* Select Sprint for 2 hours
FI TMO *#*#34866#*#* Select T-Mobile 2 hours
FI USC *#*#34872#*#* Select US Cellular 2 hours
FI SIMON *#*#3474666#*#* Select Three (UK only)

Service Codes

Alpha Code Dialer Code Description
FIXME *#*#344963#*#* Force reactivation
FI INFO *#*#344636#*#* Get information about the current network.
INFO *#*#4636#*#* Get general phone information.
DEBUG *#*#33284#*#* Phone Debug Options
PRL *#*#775#*#* Force download of Preferred Roaming List (Sprint)
PRL *228 Force download of Preferred Roaming List (US Cellular)
FI ROAM *#*#347626#*#* Turn on International Roaming

Fi on a non-Google phone is like mowing your lawn with a weed eater….

Project Fi LogoI’ve seen the “can you use Project Fi with an XYZ model phone” question over and over. Invariably someone (or several someones) will reply “yeah, it works”. And while this answer is kind of / sort of technically correct (with caveats), it’s misleading!  When I see this I imagine  quotes around the word works… it “works” – unfortunately, a lot of people take it at face value. Continue reading Fi on a non-Google phone is like mowing your lawn with a weed eater….