target reported max download size of 1073741824 bytes
sending 'bootloader' (2579 KB)...
OKAY [ 0.300s]
writing 'bootloader'...
OKAY [ 0.490s]
finished. total time: 0.790s
rebooting into bootloader...
OKAY [ 0.040s]
finished. total time: 0.040s
< waiting for device >
target reported max download size of 1073741824 bytes
sending 'radio' (45521 KB)...
OKAY [ 1.854s]
writing 'radio'...
OKAY [ 3.118s]
finished. total time: 4.982s
rebooting into bootloader...
OKAY [ 0.060s]
finished. total time: 0.070s
archive does not contain 'boot.sig'
error: out of memory
Press any key to exit...
No consiguo que instale... Los que lo habeis conseguido lo habeis hecho desde 4.4.4 o desde la preview?