Samsung Galaxy S21 Plus 128GB Phantom Black

For the Samsung Galaxy S21 Plus the recommended option is a USB-C charger that supports Super Fast Charging up to 25 W. The phone also works with 15 W chargers but charging will take longer. It is also compatible with Qi wireless charging up to 15 W and offers the Wireless PowerShare feature which lets you charge other compatible devices.

To turn off the Samsung Galaxy S21 Plus you need to press and hold the side power button until the menu appears then select power off and confirm. Another option is to swipe down twice to open the quick settings panel and tap the power icon in the top right corner. If the phone becomes unresponsive you can press and hold the power button together with the volume down button for about ten seconds to force a restart or shutdown.

The Samsung Galaxy S21 Plus has a 4800 mAh battery that with everyday use such as browsing, calls and social media easily lasts a full day and typically provides around ten to thirteen hours of screen time. With heavier use including gaming, streaming videos or running the display at 120 Hz the battery life can decrease to about seven hours. Enabling power saving features and adaptive battery mode helps extend the overall usage.

The Samsung Galaxy S23 Plus is supported with system updates and security patches until February 2028, which means five years of updates from its release date.