The Samsung s21ultra supports 25W fast charge, 15W wireless charging and reverse charging, and has a built-in 5000 mAh battery capacity.
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Samsung's first 5 nm processor also provides a high level of security, protecting all aspects of the phone from the chip, giving people more confidence in data and application permissions. Samsung Knox safe encrypts biometric data. The Samsung s21ultra has a long-lasting battery, supports 5G networks, and supports IP68 dust and water resistance.
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This article uses the Samsung s21ultra as an example, which is suitable for One UI 3.0 system.