Android TV on Raspberry Pi 4 Model B | Boot from USB

In this segment, we are going to show you how to install “Android TV on Raspberry Pi 4 Model B | Boot from USB

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Note: This image is only for advanced users.

What is Android TV?

Android TV is a version of the Android operating system by Google designed for digital media playersset-top boxessoundbars, and TVs. Serving as a replacement for Google TV, it features a user interface designed around content discovery and voice search, surfacing content aggregated from various media apps and services, and integration with other recent Google technologies such as AssistantCast, and Knowledge Graph.

Source /> Wikipedia

Software Required :

Equipment Required Optional
Raspberry Pi Raspberry Pi 4 Case
SD_Card SD Card    
Ethernet Ethernet Cable    
Charger Power Adapter    
Raspberry Pi Keyboard    
Mouse    
Flash Drive 3.0 Flash Drive    
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Keyboard Shortcuts ​

F1 Home F5 Power
F2 Back F11 Volume_Up
F3 Multi-Tasking F12 Volume_Down
F4 Menu    

STEP- 1: Downloading & Installing “Android TV on Raspberry Pi”

  • First of all, we need to download the “Android TV Image” image to set up the Raspberry Pi 4.

Formatting the SD Card

  • Now, We need the SD Card Formatter tool to format the SD card.
  • Once, the card is plugged in, It will automatically detect by the computer then you need to click on the format to format the Card.

SD Card Formatter

Flashing the SD Card

  • After the SD Card formatted successfully use Etcher and flash the Android TV Image to the SD card.

etcher

 

Insert the SD Card to Raspberry Pi

  • Once the card successfully got flashed then plug it in the Raspberry Pi. Follow the setup wizard to boot into Android Home Screen.

STEP- 2: Downloading Open Gapps

Visit the Official Open Gapps Website

  • Select the Package as shown in the picture for minimum apps requirement. After that click on the download button to download the file.

Android_TV_Gapps  

 

STEP-3 : Enabling “Developer Options”, “Root Access”, “Terminal”

Enable Developer Options

  • To enable Developer Options, We need to navigate to Settings –> “About phone” –> Click “Build Number” several times.

Enable Root Access

  • To enable Root Access, We need to navigate to “Settings” –> “Developer Options” –> Enable “Root Access”.
Android Pie

Enable Terminal

  • To enable Terminal Access, We need to navigate to “Settings” –> “Developer Options” –> Enable “Local Terminal”.
  • Now, we need to reboot the device.
  • Press & Hold F5 key, this will bring Power Options and you can reboot the device.

STEP- 4: Boot into “TWRP Recovery Mode”

Boot Android into TWRP Recovery Mode

  • Open the Terminal App, Then type the below-given commands to Boot into “TWRP Recovery Mode”.
su
rpi4-recovery.sh
reboot

 STEP- 5: Boot out from “TWRP Recovery Mode”

Boot into Normal Mode

  • Mount –> Boot & Mount –> System, Then use the below-given command to Boot into Normal Mode.
rpi4-recovery.sh boot
  • Similarly, we can use the other method if the above method not working.
  • Navigate to install and select the file from the storage. i.e recovery2boot.zip
  • This file will boot our system into Normal Mode.

 STEP- 6: Installing Open Gapps in Android Pie

Boot Android into TWRP Recovery Mode

  • Open the Terminal App, Then type the below-given commands to Boot into “TWRP Recovery Mode”.
su
rpi4-recovery.sh
reboot

Now, navigate to install and select the file from the storage. i.e open_gapps-arm-9.0-tvstock-xxxxxxxxxxx.zip.

  • Now, once the installation finishes. Then go back and select wipe –-> Wipe Factory Reset

Boot into Normal Mode

  • Mount –> Boot & Mount –> System, Then use the below-given command to Boot into Normal Mode.
rpi4-recovery.sh boot
  • Similarly, we can use the other method if the above method not working.
  • Navigate to install and select the file from the storage. i.e recovery2boot.zip
  • This file will boot our system into Normal Mode.

Step-7: Boot from USB

  • You need to install the Android TV os to USB 3.0 flash drive as mentioned above in the document. After that, you need to open the boot drive and make the below-given changes to the folders.
mv ramdisk.img ramdisk-sdcard.img
mv ramdisk-usb.img ramdisk.img
mv ramdisk-recovery.img ramdisk-recovery-sdcard.img
mv ramdisk-recovery-usb.img ramdisk-recovery.img

Step-8: Enable audio through 3.5mm jack

  • If we want to enable the 3.5mm audio jack, then we need to open Terminal and use the below-given command.
su
rpi4-audio-jack.sh

Step-9: Resize system Partition

  • If you want to extend your partition size in Android TV because by default this is a 4 GB image, remaining space on your sd card will remain unallocated.
  • To resolve this issue we need to use Gparted in Linux system, this software is not available for macOS or windows.

Android_TV_Resize

  • As you can see in the image you need to extend the size of 2.62GB partition.

Step- 10: Overclocking

Note: Overclocking may damage your Raspberry Pi, for that reason you must have a good cooling system installed on your Raspberry Pi 4 Before overclocking.

Overclock at your own risk.

Active Cooling Solutions

Passive Cooling Solutions

Compatible Mini Keyboard & Air Remote

Maximum Overclock for Raspberry Pi 4: 2.147 GHz max clock speed GPU Frequency: 750 We are going to overclock are system from 700 MHz to 2000 MHz. We also change the over voltage to 6 for maximum power.

  • To overclock the raspberry pi 4 we need to open the 134 MB folder and then look for config.txt file. After that, open the file into the Text editor and add the below-given lines at the end.
over_voltage=6
arm_freq=2000
gpu_freq=750
  • If you have resolution issues you can force 1080 resolution by adding this to config.txt
hdmi_ignore_edid=0xa5000080

Step- 11: Optimize Android Pie 9.0

  • First of all open settings and navigate to Apps & Notifications. Here you need to disable all the apps which you don’t need or require.
  • After that we need to open Developer options from Settings –> System –> Developer Options and change the below-given settings.
Don't keep activities : Turn on
Windows animation scale: Animation off
Transition animation scale: Animation off
Animator duration scale : Animation off
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In conclusion

  • You are ready to use Android TV on your Raspberry Pi 4.
  • If you come across any issues or have some feedback related to this tutorial,
  • Please share your thoughts. Smile (“_”)

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Harish Kumar

As a founder of the PcMac YouTube channel and website, Our goal is to provide Free Technical help to people and spread knowledge to everyone.
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Lakshmikanth
Lakshmikanth
17 days ago

how to switch Audio to 3.5 mm Jack or Bluetooth ? It always takes HDMI audio to TV / Monitor