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New Forerunner 255 battery draining very quickly

Good Morning,

i got a new 255 this week and i'm new to Garmin.

The watch is draining battery very quickly, about 6% an hour in smartwatch mode (i presume this is when not recording an activity).

I have tried with both smart gps selection and the trac mode.

have also tried a full reset as suggested by garmin support.

0 Leszek C over 1 year ago

Have you updated firmware? I've got such problem with new 255 before updating firmware from 12.xx to currently one. Problem was Garmin Connected app with wasn't fully compatible with old firmware and synchronization was endless. That drained battery fast.