Solved: About battery level on screen - Fitbit Community
Tutorial How To Replace Repair Fitbit Ionic Bad Broken Battery Screen - YouTube
Fitbit Ionic review: Battery life and verdict | Trusted Reviews
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The smartwatch 'Fitbit Ionic', which had 174 'burns due to overheating of the battery', was finally recalled, and 1 million units were sold in the United States and 693,000 units were sold