Welcome to the Community Forums @Thommie68.
I'm sorry to hear about the difficulties you experienced with your Charge 3 screen brightness. I recommend making sure that the Sleep Mode option is disabled on your Fitbit device. When the sleep mode setting is on:
- Notifications don't cause the tracker to vibrate or the screen to turn on.
- The screen's brightness is set to dim.
- Turning your wrist won't cause the tracker's screen to turn on and you need to press the button.
To turn off Sleep mode: Press and hold the button, and swipe left to access the quick settings screen. Tap Sleep to turn it on or off. When you turn off the setting, the icon appears dim with a line through it.
Additionally, I suggest trying a restart as described here.
On a side note, I've moved your post to this thread so we can keep our forums organized.
Hope this helps.
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