10-12-2017 15:24 - edited 01-25-2018 08:37
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post


10-12-2017 15:24 - edited 01-25-2018 08:37
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post
- Who Voted for this post?
Update 1/23/2018: Thanks again everyone for your reports on this error message when updating firmware or setting up your tracker. To resolve this issue, please forget your device in Bluetooth settings. For complete instructions, please check out @Dawn126's post here. We are currently working with our team to update the error message to include the solution.
Update 10/31/2017: For those seeing this message while updating your tracker firmware, check out @Dawn126's post here on having Bluetooth forget your device. In addition, please check out this help article on troubleshooting firmware updates if you haven't already.
Hi Everyone- We're currently investigating user reports of receiving the following error: FBBluetoothErrorDomain error 18 which prevents them from updating their firmware.
Actively managing your weight? Find accountability buddies on the Manage Weight board
Answered! Go to the Best Answer.
11-04-2017 03:12
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post

SunsetRunner
11-04-2017 03:12
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post
- Louise

11-04-2017 10:10
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post

SunsetRunner
11-04-2017 10:10
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post
Same here. It ticks me off that it was working fine untilI tried to update and now it wont work at all. I can't even turn it on.

11-04-2017 11:47
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post

11-04-2017 11:47
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post
Don’t know if this works with any model except Charge HR

11-04-2017 16:22
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post

SunsetRunner
11-04-2017 16:22
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post
- Louise

11-04-2017 16:45
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post

11-04-2017 16:45
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post
I just tried your suggestion after getting the same error msg and it worked. Thank you

11-05-2017 05:57
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post

11-05-2017 05:57
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post
In my case I wasn't trying to upgrade the FW, I am trying to perform the original set up. In addition to this error, during setup I do get a 4 digit code but my IOS appears to lock at this point with my having to turn off the phone and re-start to be able to do anything with my Apple. I assume both problems are related.

11-05-2017 08:07
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post

11-05-2017 08:07
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post
I encountered this issue with error 18 message while trying to update a Charge. I tried many of the suggestions but nothing seemed to work.
Then I found a tip to go to bluetooth settings on iPhone and "Forget Device". After doing this I went back into the FB App and selected Update again. The firmware update recommenced and the Charge is now working correctly.
Thanks to whoever originally posted that tip. It did the trick!

11-05-2017 13:38
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post

11-05-2017 13:38
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post
Same thing has happened to me. My Charge HR is now completely dead - won't turn on, even after I have charged it overnight.

11-05-2017 14:09
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post

SunsetRunner
11-05-2017 14:09
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post
- Louise

11-05-2017 18:13
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post

11-05-2017 18:13
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post
Worked for me! Thank you.

11-06-2017 06:03
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post

11-06-2017 06:03
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post
Thank you! I've been unable to use my Charge HR for almost a week now due to a frozen update and this fixed it

11-06-2017 17:11
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post

11-06-2017 17:11
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post
Thank you!!! It worked 🙂

11-06-2017 17:50
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post

11-06-2017 17:50
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post
Thank you for posting this solution. I’ve been without my Fitbit for two days because it was stuck. Your solution worked for me. I was getting increasingly frustrated.

11-06-2017 18:00
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post

11-06-2017 18:00
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post
Sent from my iPhone

11-06-2017 18:12
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post

11-06-2017 18:12
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post
Worked for the Charge HR, iPhone iOS 11.1 Much Appreciated, KateFitbit and Dawn126.

11-07-2017 05:19
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post

11-07-2017 05:19
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post
Worked for me! Thank you so much, i thought my Fitbit was good for the garbage about 2 weeks ago when I first did the update and it kept failing.

11-07-2017 19:34
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post

11-07-2017 19:34
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post
This worked for my Charge HR! Thanks!

11-08-2017 01:01
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post

11-08-2017 01:01
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post
The solution of forgetting the HR Charge in my iOS paired blue tooth devices worked for me Thanks
iPhone 7 plus iOS 11.2 Beta2

11-08-2017 05:56
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post

11-08-2017 05:56
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post
Stuck 1/2 way through download.
Fitbit Charge
iPhone 6s
iOS 11.1
Verizon
Tried resetting phone and Charge
No Bluetooth connection

11-08-2017 07:18
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post

11-08-2017 07:18
- Mark as New
- Bookmark
- Subscribe
- Permalink
- Report this post
- Who Voted for this post?
This worked on my charge:
Then I found a tip to go to bluetooth settings on iPhone and "Forget Device". After doing this I went back into the FB App and selected Update again. The firmware update recommenced and the Charge is now working correctly.
