Only a couple months ago I posted a thread asking why I only got around 2.5-3h screen on time on my s7. But, after turning on phone after a week yesterday (was camping with no electricity) I was surprised that I got about 5h screen on time on wifi only. I know that not using data may be a factor, but this seems like an awfully drastic change. Any idea why? I only turned on low power mode at 3% for those who notice. I can also post screenshots of old battery life too.
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