Nokia 3 battery suddenly 60% to 0% battery down - please fix this bug
try these few steps
I have similar issue charges 95% and drained to 40% and then shutdown and shows 0% after usage around 4 to 5 hours of screen ontime.
I did one thing, I have charged until 50% and enable battery saver at 15%.
When battery drains to 15%, then charge again to 50%.
Let keep this practice for 10 days, then battery works well to me.
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