u-blox NINA-B112 - Restore Factory Settings; Enter the Bootloader; Flashing the Module

NINA-B1 series - Getting Started
UBX-16009942 - R04 Evaluation board
Page 12 of 19
3.3 Restore factory settings
If both the SW1 and SW2 buttons are pressed for 10 seconds during power up, the factory settings are restored.
You can also restore to the factory settings using the AT+UFACTORY command followed by power off/on.
3.4 Enter the bootloader
To enter the bootloader, press the SW1 and SW2 buttons during a reset; this will start the module in the u-blox
bootloader. You can also enter the bootloader using the AT+UFWUPD command. The bootloader will time out
and resume the application after 10 seconds.
3.5 Flashing the module
The PC tool s-center 3.0.0 or later may be used to flash NINA-B1. Instructions on flashing the NINA-B1 can be
found in the Software section of the NINA-B1 System Integration Manual [11].
Go to the u-blox support webpage to obtain the latest available firmware.