when i flash bootloader hex file
1) """sd_s132_bootloader_buttonless_with_setting_page_dfu_secure_ble_debug_without_bonds.hex """
NORDIC_BUTTONLESS show but when i try
2)" bootloader_secure_ble_debug_without_bonds_s132.hex "
buttonless dfu not work
when i used 1) hex file name show but dfu not work that show [DFU] Connection failed (0x85) GATT ERROR
can you please help me
