[G 2014 General] luisjoseb:
Thanks, I flashed the RETAILDSDSALL_XT1068_4.4.4_KXB21.85-27_cid7_CFC_SVC.xml.zip over the KXB21.85.24 and it failed flashing some parts.

D:\flash27>mfastboot.exe flash partition gpt.bin
< waiting for device >
target max-sparse-size: 256MB
sending 'partition' (32 KB)...
OKAY [ 0.085s]
writing 'partition'...
OKAY [ 0.375s]
finished. total time: 0.464s

D:\flash27>mfastboot.exe flash motoboot motoboot.img
target max-sparse-size: 256MB
sending 'motoboot' (2184 KB)...
OKAY [ 0.109s]
writing 'motoboot'...
(bootloader) flashing tz ...
(bootloader) flashing rpm ...
(bootloader) flashing sdi ...
(bootloader) flashing aboot ...
(bootloader) flashing sbl1 ...
OKAY [ 1.231s]
finished. total time: 1.343s

D:\flash27>mfastboot.exe flash logo logo.bin
target max-sparse-size: 256MB
sending 'logo' (295 KB)...
OKAY [ 0.062s]
writing 'logo'...
OKAY [ 0.086s]
finished. total time: 0.152s

D:\flash27>mfastboot.exe flash boot boot.img
target max-sparse-size: 256MB
sending 'boot' (10200 KB)...
OKAY [ 0.412s]
writing 'boot'...
(bootloader) Preflash validation failed
FAILED (remote failure)
finished. total time: 0.922s

D:\flash27>mfastboot.exe flash recovery recovery.img
target max-sparse-size: 256MB
sending 'recovery' (10280 KB)...
OKAY [ 0.420s]
writing 'recovery'...
(bootloader) Preflash validation failed
FAILED (remote failure)
finished. total time: 0.917s

D:\flash27>mfastboot.exe flash system system.img_sparsechunk.0
target max-sparse-size: 256MB
sending 'system' (258135 KB)...
OKAY [ 9.438s]
writing 'system'...
(bootloader) Invalid signed image
(bootloader) Preflash validation failed
FAILED (remote failure)
finished. total time: 9.909s

D:\flash27>mfastboot.exe flash system system.img_sparsechunk.1
target max-sparse-size: 256MB
sending 'system' (262117 KB)...
OKAY [ 9.670s]
writing 'system'...
(bootloader) Invalid signed image
(bootloader) Preflash validation failed
FAILED (remote failure)
finished. total time: 9.737s

D:\flash27>mfastboot.exe flash system system.img_sparsechunk.2
target max-sparse-size: 256MB
sending 'system' (253188 KB)...
OKAY [ 9.350s]
writing 'system'...
(bootloader) Invalid signed image
(bootloader) Preflash validation failed
FAILED (remote failure)
finished. total time: 9.427s

D:\flash27>mfastboot.exe flash system system.img_sparsechunk.3
target max-sparse-size: 256MB
sending 'system' (77980 KB)...
OKAY [ 2.901s]
writing 'system'...
(bootloader) Invalid signed image
(bootloader) Preflash validation failed
FAILED (remote failure)
finished. total time: 2.962s

D:\flash27>mfastboot.exe flash modem NON-HLOS.bin
target max-sparse-size: 256MB
sending 'modem' (49252 KB)...
OKAY [ 1.856s]
writing 'modem'...
OKAY [ 1.128s]
finished. total time: 2.988s

D:\flash27>mfastboot.exe erase modemst1
erasing 'modemst1'...
OKAY [ 0.026s]
finished. total time: 0.027s

D:\flash27>mfastboot.exe erase modemst2
erasing 'modemst2'...
OKAY [ 0.075s]
finished. total time: 0.076s

D:\flash27>mfastboot.exe flash fsg fsg.mbn
target max-sparse-size: 256MB
sending 'fsg' (651 KB)...
OKAY [ 0.087s]
writing 'fsg'...
OKAY [ 0.102s]
finished. total time: 0.192s

D:\flash27>mfastboot.exe erase cache
erasing 'cache'...
OKAY [ 0.127s]
finished. total time: 0.129s

Then the phone boots and don't have SIM connections and not update correctly (still KXB21.85.24)

I flashed over the KXB21.85.24 to solve the issues, now works fine my phone