7

I'm trying to flash the Android M Developer Preview onto my Nexus 9 (volantis) following the steps from Google.

However, when executing the unlock command, I get an error that permission is denied:

$ fastboot oem unlock
...
(bootloader) ability is 0
(bootloader) Permission denied for this command!
OKAY [  0.006s]
finished. total time: 0.006s

What have I done wrong?

migrated from superuser.com Jun 6 '15 at 15:43

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13

The instructions don't make mention of the setting in the device's developer options.

Make sure to enable the "OEM unlocking" setting there:

Locate the "OEM unlocking" setting in the developer optionsEnable it

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