My Charge 3 did this today. Warranty was up three weeks ago. Fitbit had every right to deny to replace it, but 10 minutes with tech support chat and they are shipping
Solved: Charge 3 display corrupted - Fitbit Community
Solved: Charge 3 display corrupted - Fitbit Community
Solved: Charge 3 display corrupted - Fitbit Community
Solved: Charge 3 screen went blank - Fitbit Community
Fitbit Charge 3 Advanced Fitness Tracker with Heart Rate, Swim Tracking & 7 Day Battery - Rose-Gold/Grey, One Size : Amazon.co.uk: Sports & Outdoors
Solved: Dark line on Charge 3 screen.. Missing pixels? - Page 4 - Fitbit Community
Fitbit Charge 3 screen not working? Lot of users facing blank/black display issue - PiunikaWeb
Why Won't My Fitbit Charge? 5 Ways to Fix Your Fitbit
Solved: Dark line on Charge 3 screen.. Missing pixels? - Page 4 - Fitbit Community
Fitbit Charge 3 review: A month with Fitbit's best and least ambitious tracker | Android Central
Anyone elses charge 5 stopwatch/workout timer do this? Massive fault with always on display if this is normal : r/fitbit
Solved: Charge 3 has white lines across the display - Fitbit Community
Verdict and competition - Fitbit Charge 3 review | TechRadar
Fitbit Charge 3 Quick View and tap recognition no longer work
Solved: Charge 3 display corrupted - Fitbit Community
Solved: Charge 3 screen white - Fitbit Community
Solved: Charge 3 display corrupted - Fitbit Community
Solved: Charge 3 has white lines across the display - Fitbit Community
The most common Fitbit problems and how to fix them - Android Authority
Solved: Charge 3 developed white lines on screen - Page 2 - Fitbit Community