aqui dejo la factory image y como instalarla desde la 4.4.4.
es la libre de GB.
Factory image 5.0 de GB:
https://mega.co.nz/#!1JZFRbbb!rEhi3q...WQGFvcdMGEjZlA
segun un user de XDA, estos son los comandos, que david o alguien nos diga si son correctos, por que yo nunca he flasheado asi.
REM mfastboot flash logo logo.bin
REM pause
REM mfastboot flash partition gpt.bin
REM pause
REM mfastboot flash motoboot motoboot.img
REM pause
mfastboot flash boot boot.img
pause
mfastboot flash recovery recovery.img
pause
mfastboot flash system system.img_sparsechunk.0
mfastboot flash system system.img_sparsechunk.1
mfastboot flash system system.img_sparsechunk.2
mfastboot flash system system.img_sparsechunk.3
mfastboot flash system system.img_sparsechunk.4
mfastboot flash system system.img_sparsechunk.5
mfastboot flash system system.img_sparsechunk.6
mfastboot flash system system.img_sparsechunk.7
pause
mfastboot flash modem NON-HLOS.bin
pause
mfastboot erase modemst1
mfastboot erase modemst2
pause
mfastboot flash fsg fsg.mbn
pause
mfastboot erase cache
REM mfastboot erase userdata
mfastboot erase customize
mfastboot erase clogo
pause
