Install Android 11 on SECO boards

It is possible to install Android 11 on the following boards:

ASTRID (SBC-C61 SECO Board)

SECO Android 11 BSP supports all C61 configurations (RAM size, eMMC size, peripherals).

You can use all installation methods described below to install Android 11 on the C61.

Running Android 11 on SBC-C61 board with 1 Giga RAM is deprecated. If you use it, you will find that performance is reduced and only a single application can be run after startup.

SBC-C43 SECO Board

SECO Android 11 BSP supports all C43 configurations (regardless RAM size, eMMC size, and peripherals).

The C43 board only supports the usb OTG cable installation procedure, and does not support the uSD/USB procedures.

Android 11 support for SECO SBC boards includes:

• Wifi/BT

• USB otg/ADB

• Sound support

• HDMI and LVDS display + touchscreen support

• Double ethernet card

• OTA update

Installation Methods

You may use any of the following three methods to install Android 11 on SECO boards:

1. via an OTG cable;

2. using a uSD card;

3. using a USB flash drive.

Your board may not support all three methods (see above).

HOW TO install SECO Android 11 BSP on onboard eMMC via OTG cable

To flash Android 11 on SECO board using a OTG cable, please follow these simple steps:

1. Download the correct SECO Android 11 image for your board according to the SECO BSP table.

2. Insert jumper for board RECOVERY boot (refer to RECOVERY BOOT JUMPER table to locate it)

3. Connect the OTG cable between Board and PC (refer to OTG connector TABLE for locating it).

4. Power on the board

5. Follow the procedure according to the system that you are using:

HOW TO install and boot SECO Android 11 BSP on external uSD card

To prepare a bootable Android 11 uSD for SECO board, please follow these simple steps:

1. Download the correct SECO Android 11 image for your board according to SECO BSP table.

2. Extract the downloaded image:

   tar xzf <ANDROID_IMAGE_FILENAME>.tar.gz

3. Enter in the Android IMAGE folder:

   cd <ANDROID_IMAGE_FOLDER>

4. Insert a clean uSD card in the card reader of your Linux computer

5. Identify the path to your uSD card:

   lsblk

6. Execute the script android_write_device.sh to flash the card

   ./android_write_device.sh /dev/<PATH_TO_SD_CARD>

To boot from uSD card

1. Identify the jumper for ALTERNATE BOOT on the board and insert it. Refer to ALTERNATE BOOT JUMPER table to locate it.

2. Insert the uSD card in the card slot on the board.

3. Power on the board

HOW TO install SECO Android 11 BSP from USB key

This procedure can be done in 3 steps:

STEP 1)

• Download the SECO Unified Installation Key (SUIK) image from this link: SUIK IMAGE

• Unzip the downloaded file.

• Write the binary USB recovery key image on the USB pen. If you do not know how to write a raw image on a USB stick, please refer to this procedure:

Write a raw image on USB key using Rufus

STEP 2)

• Download the Android11 image for the selected board. Please refer to table “SECO ANDROID 11 BSP table“ to choose the right one.

• Extract the downloaded image on the first partition of the USB key (FAT32 filesystem with the label “IMAGES”) and rename the target folder to ANDROID.

• Disconnect the USB key from the PC

STEP 3)

• Insert the SUIK USB key on one USB port of the SECO Board

• Power on the board.

• At startup open the serial console and execute the following commands:

  mount /dev/sda1 /mnt
  cd /mnt/ANDROID/
  ./android_write_device.sh /dev/mmcblk0

• Wait until fashing script procedure has finished

SECO ANDROID 11 BSP table

RECOVERY BOOT JUMPER (BOOT from usb OTG)

BOARD	Jumper name	Position	Picture
SBC-C61	CN52	1-2
SBC-C43	JP2	2-3

OTG connectors

BOARD	Connecton name	Picture
SBC-C61	CN36-OTG
SBC-C43	CN44

ALTERNATE BOOT JUMPER (boot from uSD)

BOARD	Jumper name	Position	Picture
SBC-C61	CN52	2-3