@kenneth I try : leave without him. As they say in :
supertienda151@supertienda151-Satellite-Pro-L300D:~$ sudo dfu-util -d 1d50:607f -a 0 -s 0x08005000:leave -D core-firmware.bin
[sudo] password for supertienda151:
invalid dfuse address: 0x08005000:leave
supertienda151@supertienda151-Satellite-Pro-L300D:~$ sudo dfu-util -d 1d50:607f -a 0 -s 0x08005000 -e -D core-firmware.bin
dfu-util: invalid option -- 'e'
Usage: dfu-util [options] ...
-h --help Print this help message
-V --version Print the version number
-v --verbose Print verbose debug statements
-l --list List the currently attached DFU capable USB devices
-d --device vendor:product Specify Vendor/Product ID of DFU device
-p --path bus-port. ... .port Specify path to DFU device
-c --cfg config_nr Specify the Configuration of DFU device
-i --intf intf_nr Specify the DFU Interface number
-a --alt alt Specify the Altsetting of the DFU Interface
by name or by number
-t --transfer-size Specify the number of bytes per USB Transfer
-U --upload file Read firmware from device into
-D --download file Write firmware from into device
-R --reset Issue USB Reset signalling once we're finished
-s --dfuse-address address ST DfuSe mode, specify target address for
raw file download or upload. Not applicable for
DfuSe file (.dfu) downloads
supertienda151@supertienda151-Satellite-Pro-L300D:~$ sudo dfu-util -d 1d50:607f -a 0 -s 0x08005000-e -D core-firmware.bin
invalid dfuse address: 0x08005000-e
supertienda151@supertienda151-Satellite-Pro-L300D:~$ sudo dfu-util -d 1d50:607f -a 0 -s 0x08005000 -D core-firmware.bin
dfu-util 0.5
(C) 2005-2008 by Weston Schmidt, Harald Welte and OpenMoko Inc.
(C) 2010-2011 Tormod Volden (DfuSe support)
This program is Free Software and has ABSOLUTELY NO WARRANTY
dfu-util does currently only support DFU version 1.0
Filter on vendor = 0x1d50 product = 0x607f
No DFU capable USB device found
**
**
supertienda151@supertienda151-Satellite-Pro-L300D:~$
Thank