Echo Dot v2 - echohacking/wiki GitHub Wiki
The second generation Echo Dot runs an Android based operating system. The Echo Dot is not recognized as an ADB device during normal operation. However, if the uber button (dot button on the top of the device) is held down while the device is booting the LED ring will turn green and the device can be recognized in fastboot mode.
x:platform-tools x$ ./fastboot devices
*removed* fastboot
Unfortunately, running fastboot oem unlock
failed on this device.
x:platform-tools x$ ./fastboot oem unlock
...
FAILED (remote: the command you input is restricted on locked hw)
finished. total time: 0.002s
Resources
- Teardown: Amazon Echo Dot 2 - EEVBlog Forum
- Amazon-Echo-Dot-System-Image
- Direct link to firmware update 564196920
- Exploring the Amazon Echo Dot, Part 1
- Exploring the Amazon Echo Dot, Part 2
- Topic on XDA about the Echo Dot 2nd generation
- eMMC pinout, how to read the firmware from the device and dissecting the various api's used on Echo Dot 2nd generation