DM42 Firmware Update on a Mac

[NomadVehr]

OK Got to step 9
This is what I got:
Deducing device DFU version from functional descriptor length
Found Runtime: [05ac:821f] ver=0154, devnum=7, cfg=1, intf=3, path="250-1.1.3", alt=0, name="UNKNOWN", serial="UNKNOWN"

This was the result of flashing

dfu-util -D DM42_flash_3.5.bin -d 0483:df11 -a "@Internal Flash /0x08000000/512*0002Kg" -s 0x8000000
dfu-util 0.9

Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc.
Copyright 2010-2016 Tormod Volden and Stefan Schmidt
This program is Free Software and has ABSOLUTELY NO WARRANTY
Please report bugs to http://sourceforge.net/p/dfu-util/tickets/

dfu-util: Invalid DFU suffix signature
dfu-util: A valid DFU suffix will be required in a future dfu-util release!!!
Deducing device DFU version from functional descriptor length
Opening DFU capable USB device...
ID 0483:df11
Run-time device DFU version 011a
Claiming USB DFU Interface...
Setting Alternate Setting #0 ...
Determining device status: state = dfuERROR, status = 10
dfuERROR, clearing status
Determining device status: state = dfuIDLE, status = 0
dfuIDLE, continuing
DFU mode device DFU version 011a
Device returned transfer size 2048
DfuSe interface name: "Internal Flash "
Downloading to address = 0x08000000, size = 899608
Download [=========================] 100% 899608 bytes
Download done.
File downloaded successfully

And after reset just updated to version 3.5. Thank you very much guys!!!!
Sorry I was a bit slow to get back to you, WC 2018 has been taking over me these days.
I´m actually cheering for my father´s homeland so Ajmo Vatreni!!!

Thanks again!