Para vocês terem uma ideia, passando a 5.0.2 sem efeito no aparelho
D:\XT1033 5.0.2\Minimal ADB and Fastboot>fastboot flash partition gpt.bin
target reported max download size of 536870912 bytes
sending 'partition' (32 KB)...
OKAY [ 0.031s]
writing 'partition'...
(bootloader) This may take a few seconds, if a
(bootloader) different partition table is being
(bootloader) flashed since we need to backup
(bootloader) and restore a few partitions
(bootloader) Flashing primary GPT image...
(bootloader) Flashing backup GPT image...
OKAY [ 0.359s]
finished. total time: 0.391s
D:\XT1033 5.0.2\Minimal ADB and Fastboot>fastboot flash motoboot motoboot.img
target reported max download size of 536870912 bytes
sending 'motoboot' (1953 KB)...
OKAY [ 0.094s]
writing 'motoboot'...
(bootloader) flashing tz ...
(bootloader) flashing rpm ...
(bootloader) flashing sdi ...
(bootloader) flashing aboot ...
(bootloader) flashing sbl1 ...
OKAY [ 1.132s]
finished. total time: 1.233s
D:\XT1033 5.0.2\Minimal ADB and Fastboot>fastboot flash logo logo.bin
target reported max download size of 536870912 bytes
sending 'logo' (295 KB)...
OKAY [ 0.070s]
writing 'logo'...
OKAY [ 0.063s]
finished. total time: 0.141s
D:\XT1033 5.0.2\Minimal ADB and Fastboot>fastboot flash boot boot.img
target reported max download size of 536870912 bytes
sending 'boot' (10240 KB)...
OKAY [ 0.372s]
writing 'boot'...
OKAY [ 0.673s]
finished. total time: 1.045s
D:\XT1033 5.0.2\Minimal ADB and Fastboot>fastboot flash recovery recovery.img
target reported max download size of 536870912 bytes
sending 'recovery' (10240 KB)...
OKAY [ 0.393s]
writing 'recovery'...
OKAY [ 0.669s]
finished. total time: 1.062s
D:\XT1033 5.0.2\Minimal ADB and Fastboot>fastboot flash system system.img_sparse
chunk.0
target reported max download size of 536870912 bytes
sending 'system' (257887 KB)...
OKAY [ 8.366s]
writing 'system'...
OKAY [ 8.146s]
finished. total time: 16.512s
D:\XT1033 5.0.2\Minimal ADB and Fastboot>fastboot flash system system.img_sparse
chunk.1
target reported max download size of 536870912 bytes
sending 'system' (256762 KB)...
OKAY [ 8.270s]
writing 'system'...
OKAY [ 8.454s]
finished. total time: 16.724s
D:\XT1033 5.0.2\Minimal ADB and Fastboot>fastboot flash system system.img_sparse
chunk.2
target reported max download size of 536870912 bytes
sending 'system' (260106 KB)...
OKAY [ 8.346s]
writing 'system'...
OKAY [ 8.528s]
finished. total time: 16.874s
D:\XT1033 5.0.2\Minimal ADB and Fastboot>fastboot flash modem NON-HLOS.bin
target reported max download size of 536870912 bytes
sending 'modem' (49356 KB)...
OKAY [ 1.620s]
writing 'modem'...
OKAY [ 0.830s]
finished. total time: 2.458s
D:\XT1033 5.0.2\Minimal ADB and Fastboot>fastboot erase modemst1
erasing 'modemst1'...
OKAY [ 0.063s]
finished. total time: 0.063s
D:\XT1033 5.0.2\Minimal ADB and Fastboot>fastboot erase modemst2
erasing 'modemst2'...
OKAY [ 0.058s]
finished. total time: 0.062s
D:\XT1033 5.0.2\Minimal ADB and Fastboot>fastboot flash fsg fsg.mbn
target reported max download size of 536870912 bytes
sending 'fsg' (102 KB)...
OKAY [ 0.102s]
writing 'fsg'...
OKAY [ 3.229s]
finished. total time: 3.330s
D:\XT1033 5.0.2\Minimal ADB and Fastboot>fastboot erase cache
erasing 'cache'...
OKAY [ 0.063s]
finished. total time: 0.063s
D:\XT1033 5.0.2\Minimal ADB and Fastboot>fastboot erase userdata
erasing 'userdata'...
OKAY [ 0.070s]
finished. total time: 0.070s
D:\XT1033 5.0.2\Minimal ADB and Fastboot>fastboot reboot
— alterado em 01/06/2015, 20:47:42