Use Dark Mode: If your iPhone 12 has an OLED display, enabling Dark Mode can help save battery life. To turn on Dark Mode, go to Settings > Display & Brightness and choose Dark. Using a dark wallpaper ...
We were impressed during our Galaxy A15 5G review. This little guy comes with a 5,000mAh battery, which can keep the lights on for two days, easily. Without much use, it can go for up to three days.