My Charge 4 screen is blank

[RMJack]

I’ve had my Charge 4 Fitbit since March and it suddenly went blank yesterday. It wouldn’t turn on and it was fully charged. 

I tried doing a force reset by clicking the side button and it did vibrate and the smiley face came on. But that was it. I tried changing the time format and it did come back on last night. 

This morning it went blank again. I’ve tried doing a force reset and it still won’t come back. Why is 

Moderator edit: updated subject for clarity

[EdsonFitbit]

Welcome to the Fitbit Community, @RMJack.

I'm sorry to hear about the difficulties you experienced with your Fitbit Charge 4. Thank you for trying to get them resolved before contacting us.

I noticed that you've been in touch with Customer Support. I'm pretty sure they've done their best to provide a high level of support. Thank you for your patience while dealing with this situation.

Have a nice day.

[Earthquake8529]

In your fitbit app on your phone change the clock face and it will start working again. You can change it back straight away. This has happened to me a couple of times.

[EdsonFitbit]

Welcome to the Fitbit Community, @Earthquake8529.

Thank you for your advise.

For instructions on how to change the clock face, please visit this article.

Feel free to contact us at any time.

[lnewnam56]

The app is apparently not connected to the device so clock face can't be changed.