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Community Moderator Alumni are previous members of the Moderation Team, which ensures conversations are friendly, factual, and on-topic. Moderators are here to answer questions, escalate bugs, and make sure your voice is heard by the larger Fitbit team. Learn more
@catwen welcome to the forums. Hey, just out of curiosity have you tried restarting your tracker? That sometimes does the trick:
- Press and hold the Back and Select buttons (left and bottom right) until you see the Fitbit logo on the screen. This should take less than 10 seconds.
- Let go of the buttons.
- If your tracker doesn't work normally, use the instructions in How do I turn off my tracker? to turn Blaze off and back on again.
Also, keep in mind that for wrist-based trackers just like Blaze, it's important to specify whether you wear the tracker on your dominant or non-dominant wrist: the non-dominant wrist setting increases the sensitivity of step counting and should reduce any under counting of steps. Non-dominant is the default. If you have verified all that to no avail, then I recommend following @helrj suggestion about contacting our Support Team. They definitely have the proper tools to take a deeper look into your tracker's behavior.
Also, you may have noticed that I moved your post from the Charge board to the Blaze board as you were referring to your new Blaze not counting all your steps. In here you'll be able to find more relevant info related to your tracker.
Keep me posted! 
Best Answer
Community Moderator Alumni are previous members of the Moderation Team, which ensures conversations are friendly, factual, and on-topic. Moderators are here to answer questions, escalate bugs, and make sure your voice is heard by the larger Fitbit team. Learn more
@catwen welcome to the forums. Hey, just out of curiosity have you tried restarting your tracker? That sometimes does the trick:
- Press and hold the Back and Select buttons (left and bottom right) until you see the Fitbit logo on the screen. This should take less than 10 seconds.
- Let go of the buttons.
- If your tracker doesn't work normally, use the instructions in How do I turn off my tracker? to turn Blaze off and back on again.
Also, keep in mind that for wrist-based trackers just like Blaze, it's important to specify whether you wear the tracker on your dominant or non-dominant wrist: the non-dominant wrist setting increases the sensitivity of step counting and should reduce any under counting of steps. Non-dominant is the default. If you have verified all that to no avail, then I recommend following @helrj suggestion about contacting our Support Team. They definitely have the proper tools to take a deeper look into your tracker's behavior.
Also, you may have noticed that I moved your post from the Charge board to the Blaze board as you were referring to your new Blaze not counting all your steps. In here you'll be able to find more relevant info related to your tracker.
Keep me posted!
Best Answer
Community Moderator Alumni are previous members of the Moderation Team, which ensures conversations are friendly, factual, and on-topic. Moderators are here to answer questions, escalate bugs, and make sure your voice is heard by the larger Fitbit team. Learn more
@catwen it's great to hear back from you! Reading that the restart worked was like a ray of sunshine. Glad to know it helped! 
I also recommend checking our Discussions Board. In there you'll find lots of interesting topics related to fitness and health. Tips on how to live mindfully and success stories are all there. Check it out!
Happy stepping.
Best Answer