The Mainboard Flex for Samsung Galaxy S21 Ultra 5G (G998) is a high-quality replacement part designed to restore full functionality to your device. This essential flex cable ensures seamless connectivity between the mainboard and other critical components, allowing your phone to perform at its best. Whether you’re dealing with connectivity issues, malfunctioning signals, or damaged flex lines, this part provides a reliable and durable solution. At Gadget Break, we source only top-grade components to guarantee compatibility with the Samsung Galaxy S21 Ultra 5G (G998), ensuring both performance and longevity.