I've had my Galaxy S21 for 2 days, and the battery life is absolutely terrible. It barely makes it 8hrs, and for most of that time, I'm at work and not even using it. I lost 30% of battery life listening to 3 songs. I understand it learning etc but this is ridiculous. Every other Galaxy I've ever had has had great battery life, right out of the box. Is it defective?
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My S 21 runs completely down in less than 1 day without using it at all. And I have turned off everything that was running in the background. If I happen to make a call, the battery runs down really fast after just talking a few minutes. Kinda stinks having to put it on the charger twice a day now 😞
If its auto on High performance it will kill the battery fast. You typical have 4 options that you can customize: High Performance/Optimized/Medium/Maximum. Also Double check apps and Services as sometimes Google and facebook still download/update in the background and that kills battery life as well