$ lsusb | grep NXP Bus 003 Device 013: ID 1fc9:000c NXP Semiconductors $ dfu-util -D ~/devel/dfu-util/firmware.bin.qthdr dfu-util 0.7 Copyright 2005-2008 Weston Schmidt, Harald Welte and OpenMoko Inc. Copyright 2010-2012 Tormod Volden and Stefan Schmidt This program is Free Software and has ABSOLUTELY NO WARRANTY Please report bugs to dfu-util@lists.gnumonks.org dfu-util: Invalid DFU suffix signature dfu-util: A valid DFU suffix will be required in a future dfu-util release!!! Possible unencryptes NXP LPC DFU prefix with the following properties Payload length: 39 kiByte Opening DFU capable USB device... ID 1fc9:000c Run-time device DFU version 0100 Claiming USB DFU Runtime Interface... Determining device status: state = dfuIDLE, status = 0 dfu-util: WARNING: Runtime device already in DFU state ?!? Claiming USB DFU Interface... Setting Alternate Setting #0 ... Determining device status: state = dfuIDLE, status = 0 dfuIDLE, continuing DFU mode device DFU version 0100 Device returned transfer size 2048 Copying data from PC to DFU device Download [ ] 0% 0 bytes Download [= ] 4% 2048 bytes Download [== ] 9% 4096 bytes Download [=== ] 14% 6144 bytes Download [==== ] 19% 8192 bytes Download [====== ] 24% 10240 bytes Download [======= ] 28% 12288 bytes Download [======== ] 33% 14336 bytes Download [========= ] 38% 16384 bytes Download [========== ] 43% 18432 bytes Download [============ ] 48% 20480 bytes Download [============= ] 53% 22528 bytes Download [============== ] 57% 24576 bytes Download [=============== ] 62% 26624 bytes Download [================ ] 67% 28672 bytes Download [================== ] 72% 30720 bytes Download [=================== ] 77% 32768 bytes Download [==================== ] 82% 34816 bytes Download [===================== ] 86% 36864 bytes Download [====================== ] 91% 38912 bytes Download [======================== ] 96% 40356 bytes Download [=========================] 100% 40356 bytes Download done. Sent a total of 40356 bytes dfu-util: unable to read DFU status $ lsusb | grep NXP Bus 003 Device 014: ID 1fc9:0018 NXP Semiconductors