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Learn!how!to!update,!restart,!and!erase!FB422.!
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Update!your!tracker!to!get!the!latest!feature!enhancements!and!product!updates.!
Regularly!sync!FB422!with!the!Fitbit!app!and!let!the!Fitbit!app!run!in!the!background!on!your!
phone,!which!allows!a!small!portion!of!the!firmware!update!to!download!to!your!tracker!each!time!
you!sync.!You!may!need!to!adjust!your!phone’s!settings!to!allow!the!Fitbit!app!to!run!in!the!
background.!
When!an!update!is!ready!to!install,!a!notification!appears!in!the!Fitbit!app.!After!you!start!the!
update,!a!progress!bar!appears!on!FB422!and!in!the!Fitbit!app!as!the!update!downloads,!and!then!
installs.!Keep!your!tracker!and!phone!close!to!each!other!during!the!update.!
Note:!To!update!FB422,!your!tracker's!battery!must!be!at!least!50%!charged.!Updating!FB422!may!
be!demanding!on!the!battery.!We!recommend!plugging!your!tracker!into!the!charger!before!
starting!an!update.!
For!more!information,!see!help.fitbit.com.!
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If!you!can’t!sync!FB422!or!you!have!trouble!with!tracking!your!stats,!restart!your!tracker!from!your!
wrist:!!
Open!the!Settings!app! !and!tap!F#'4+!>!P%#''+&S%K><%.!
If!FB422!is!unresponsive:!!
1. Connect!FB422!to!the!charging!cable.!For!instructions,!see!"Charge!your!tracker!"!on!page!8.!!
2. Press!and!release!the!button!on!the!charger!cable!end!3!times!within!8!seconds.!When!you!
see!a!smiley!face!and!FB422!vibrates,!the!tracker!restarted.!
Restarting!your!tracker!reboots!the!device!but!doesn't!delete!any!data.!
FB422!has!a!small!hole!(altimeter!sensor)!on!the!back!of!the!device.!Don’t!attempt!to!restart!your!
device!by!inserting!any!items,!such!as!paper!clips,!into!this!hole!as!you!can!damage!your!tracker.!
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