Im from Thailand bought Fitbit surge from USA with Amazon.com but after register and start to sync with smartphone after receive 4 digit its cant to sync and this is error Error The Operation couldn't be completed(FFBluetoothError Domain error 24)
I have another one of Fitbit Alta HR ..its OK
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It's great to see that you've visited the Fitbit Community @Enjoyinlove! Glad to see you on board.
Greetings until Thailand! Congrats on your new Surge, sorry about the inconvenience you've been having connecting your Surge. You can read more information about this error here, you will find some possible options there. Thank you for your patience and I hope you can connect your Fitbit pretty soon. 
See you around!
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