Nexus 9 Failed Android M Update from Factory Image. Cannot access the current OS.

amitkatti

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Oct 6, 2015
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I tried to follow the instructions given on google's website. Downloaded the factory image, unzipped files and folders as told. The OEM is unlocked.

When I ran the flash-all script, I got the following messages.

c:\android-adb\OS\volantis-mra58k>flash-all
target reported max download size of 518205818 bytes
sending 'bootloader' (2898 KB)...
OKAY [ 0.215s]
writing 'bootloader'...
(bootloader) Device State : Unlocked
(bootloader) zip header checking...
(bootloader) shift signature_size for header checking...
(bootloader) zip info parsing...
(bootloader) checking model ID...
(bootloader) start image[hboot] unzipping for pre-update check...
(bootloader) start image[bct] unzipping & flashing...
(bootloader) ...... Successful
(bootloader) start image[mts_preboot_prod] unzipping & flashing...
(bootloader) ...... Successful
(bootloader) start image[mts_prod] unzipping & flashing...
(bootloader) ...... Successful
(bootloader) start image[hboot] unzipping & flashing...
(bootloader) ...... Successful
(bootloader) start image[nvtboot] unzipping & flashing...
(bootloader) ...... Successful
(bootloader) start image[nvtbootwb0] unzipping & flashing...
(bootloader) ...... Successful
(bootloader) start image[tos] unzipping & flashing...
(bootloader) ...... Successful
(bootloader) start image[sp1] unzipping & flashing...
(bootloader) ...... Successful
(bootloader) start image[gp1] unzipping & flashing...
(bootloader) ...... Successful
(bootloader) start image[pt] unzipping & flashing...
(bootloader) ...... Successful
OKAY [ 5.518s]
finished. total time: 5.734s
rebooting into bootloader...
OKAY [ 0.031s]
finished. total time: 0.031s
archive does not contain 'boot.sig'
archive does not contain 'recovery.sig'
failed to allocate -1995847632 bytes
error: update package missing system.img

After this, I cannot use my OS. Tried going into recovery, still does not help.

The only screen that is accessible is the Bootloader screen.

Device State is now unlocked.
 
Last edited:

matthew2926

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Jun 3, 2015
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I have never flashed any Android systems, but I know that this is a very common and can be fixed by manually flashing each individual file using commands in the Android sdk rather than running the flashall script.