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Copyright © Murata Manufacturing Co., Ltd. All rights reserved.
22 March 2018
How to Enter DFU mode – HW Method (2)
1.
Before power up the module, connect the 3.3V and Boot signal
as following picture using iron nipper or other conduct line.
2.
Power up the module, then “STM Device in DFU mode” will
appear in the device manager.
3.
After the module enters DFU mode, remove iron nipper or
conduct line used in #1 above.