not Professional) Samsung S21 G991B water damage (salt water, 20 mins 20-30cm deep) : r/mobilerepair
Frame for Samsung Galaxy S21 5G SM-G991B G991B
For Samsung S21 G991B USB Charging Port Connector Board Flex Cable For Samsung S21 Charging Plate Connector Board Promotion
Amazon.com: iParto Charging Port Replacement for Samsung Galaxy S21 5G G991U(Not for 4G G990) Charging Port Replacement Kit for Galaxy S21 5G SM-G991U SM-G991B SM-G991U1 SM-G9910 USB Dock Connector Replacement : Cell