# Adafruit nRF52 Feather Single-Bank Bootloader These files contain an implementation of a single-bank bootloader, which doubles the amount of flash memory available to applications at the expense of safe over the air updates. Two versions are present, based on release **2.0.1** and **5.0.0** of the Nordic S132 SoftDevice. The SoftDevice is included as poart of the bootloader binary.