Flashing Cyanogenmod on Nexus 6

Install Android tools²

sudo emerge --ask dev-util/android-tools

Unlock the device

• Enable USB debugging³

  • Enable Developer mode: DEVICE: Settings | About Phone

    • Tap "Build Number" 7 times

  • Enable USB debugging: DEVICE: Settings | Developer Options | USB debugging

• Connect device to computer through USB

• Go into fastboot

  • DEVICE: Power down

  • Boot into boot loader DEVICE: Hold down + for ~5 seconds

• Unlock

  # Verify device is recognized
  fastboot devices
  # unlock
  fastboot oem unlock

• Device: Highlight "Yes" with volume keys

• Device: Select with power key

Install TWRPi⁴

• Download the latest openrecovery twrp image from http://techerrata.com/browse/twrp2/shamu

• Verify MD5 checksum

  md5sum ~/Downloads/openrecovery-twrp-2.8.5.0-shamu.img

• Go into fastboot (as above)

• Install recovery

  fastboot devices
  fastboot flash recovery ~/Downloads/openrecovery-twrp-2.8.5.0-shamu.img

• Verify

  • Shutdown with vol keys and power

  • Go into fastboot (as above)

  • Select "Recovery Mode"

Install CyanogenMod from Recovery

• Download latest cyanogenmod⁵

• Download latest Google Apps⁶

• Go into recovery mode (per above)

• Push to sdcard

  adb push ~/Downloads/cm-12-20150213-NIGHTLY-shamu.zip /sdcard/
  adb push ~/Downloads/gapps-lp-20141212-signed.zip /sdcard/

• Select "Backup"

  • Partitions: System, Data, Boot

  • Swipe to backup

• Select "Wipe"

  • Select swipe "Factory Reset"

• Select Install

  • Select /sdcard/cm-12-20150213-NIGHTLY-shamu.zip

  • Add more zips

  • Select /sdcard/gapps-lp-20141212-signed.zip

  • Swipe to Confirm Flash

  • Select Reboot System