Amazon Tap

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"Although the information we release has been verified and shown to work to the best our knowledge, we cant be held accountable for bricked devices or roots gone wrong."

Amazon Tap Stock Photo.jpg

Amazon Tap

The Amazon Tap is a wireless bluetooth & wifi speaker featuring the "Alexa" voice assistant.

Purchase

Buying devices is expensive and, in a lot of cases our testing leads to bricked equipment. If you would like to help support our group, site, and research please use one of the links below to purchase your next device. Purchase the Amazon Tap at Amazon

Hardware

  • Freescale [MCIMX6L8DVN10AB] i.MX 6 SoloLite Applications Processor
  • KMNJ2000ZM eMMC/DRAM
  • Broadcom BCM4343

Teardown

You can find an excellent teardown of the Amazon Tap at [ifixit.com].

UART

The Amazon Tap features UART pads that provide u-boot boot info but no shell and kernel debug output during boot.

The UART pads can be found in the photo below.

Amazon Tap UART.png

Gaining Bootloader Shell

The Amazon Tap implements a secure boot process but a bootloader shell can be obtained by grounding the flash data0 pin while u-boot is reading the kernel into memory.

To access the bootloader shell.

  1. Connect to UART
  2. Ground resistor next to TP27 silkscreen
  3. u-boot shell is available when presented with "=>"

The photo below illustrates the process.

Amazon Tap Flash Glitch.png