nonsupport
The Samsung s21ultra does not support 45w fast charge. Its built-in 5000mAh large-capacity battery supports 25W wired fast charge and 15W wireless fast charge.
The S21 uses a 6.8-inch microcurved display, LTPO backplane technology, and supports an adaptive refresh rate of 10Hz to 120Hz. The body adopts a glass back cover, the phone is 8.9mm thick, weighs 227g, the performance is equipped with Snapdragon 888 processor, the front 40 megapixel HD lens, the rear 12 million ultra-wide Angle 108.10 million telephoto camera, 4 cameras with 10 million telephoto camera, dual stereo speakers support NFC and AKG training, Dolby Panoramic sound, IP68 waterproof.
Samsung s21u mobile phone upgrade does not support 45w fast charge, this mobile phone in the charging can only be used up to 25 watts of mobile phone charging can not be upgraded to use my use