ADT-1 Android TV

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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. GTV_Hacker:General_disclaimer This page will be dedicated to a general overview of descriptions and information related to the ADT-1 Android TV.

Android TV.jpg

Purchase

The ADT-1 is not available for purchase and is only obtained through purchase from individuals who obtained a unit at Google IO or through the official "Request an ADT-1" page.

Tear Down

The ADT-1 Android TV is pretty easy to get apart once all the clips holding the case together are undone. In this tear down we used a razor blade but a guitar pick or similar small and durable piece of plastic is recommended.

Accessing Fastboot

AndroidTV ADT1 Fastboot.JPG
  • The bootloader on the ADT-1 distributed from Google IO comes unlocked. Below is the process on accessing fastboot interface.

Steps to enter recovery mode

  1. Hold reset button on back of ADT-1 for approximately 10 seconds or until device reboots.
  2. Screen will display fastboot options as seen in picture to the left. A short click of the reset button navigates while a long click selects.


Accessing Recovery

On the ADT-1 the standard "Android Recovery (3e)" is used. The menu for this mode is hidden behind Auto-Recovery functionality which clears the user-data and cache partitions.

Steps to enter recovery mode

  • Through adb using "adb reboot recovery"
  • Through the fastboot menu accessed with the process above.
  • By holding the reset button for roughly 20 seconds.

Bootloader Vars

Build.prop

UART Pinout

  • UART console output as well as access to the FIQ Debugger is available by connecting a UART adapter to the ADT-1.

SysRq

  • SysRq is available with the following commands.

SysRq : HELP : loglevel(0-9) reBoot Crash terminate-all-tasks(E) memory-full-oom-kill(F) kill-all-tasks(I) thaw-filesystems(J) show-backtrace-all-active-cpus(L) show-memory-usage(M) nice-all-RT-tasks(N) powerOff show-registers(P) show-all-timers(Q) Sync show-task-states(T) Unmount show-blocked-tasks(W) dump-ftrace-buffer(Z)

FIQ Debugger

  • FIQ Debugger is available with the following commands.
debug> help
FIQ Debugger commands:
 pc            PC status
 regs          Register dump
 allregs       Extended Register dump
 bt            Stack trace
 reboot [<c>]  Reboot with command <c>
 reset [<c>]   Hard reset with command <c>
 irqs          Interupt status
 sleep         Allow sleep while in FIQ
 nosleep       Disable sleep while in FIQ
 console       Switch terminal to console
 cpu           Current CPU
 cpu <number>  Switch to CPU<number>
 ps            Process list
 sysrq         sysrq options
 sysrq <param> Execute sysrq with <param>

boot.img

(@GiantPune) on our IRC channel #Exploiteers rooted his ADT-1 using the Android Futex kernel exploit and dumped his boot.img. You can use this with fast-boot to root your ADT-1.

Updates

Along with the initial OTA another file was transmitted just prior to the OTA update.