Install Android 11 on SECO boards

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

SBC-C61 SECO Board.

SECO Android 11 BSP supports every possible C61 configuration, regardless ram size, eMMC size and peripheral. You can also install Android on C61 board with 1 Giga of ram, but clearly the performance will be reduced, and it will be possible to run only 1 single application after startup.

Running Android 11 on SBC-C61 board with 1 Giga RAM is deprecated.

You can install Android 11 on C61 board following one of the procedures described below.

SBC-C43 SECO Board.

Currently, SECO Android 11 BSP supports only 4 GB DDR size, and 8 Giga eMMC storage.

You can install Android 11 on C43 board only with usb OTG cable procedure.

There are three possible alternative methods to install Android 11 on Seco board:

via OTG cable;
using uSD card;
using USB key.

OTG cable installation

uSD card installation

USB key installation

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

Requirements

A Linux or windows PC
USB OTG cable

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

download the correct SECO Android 11 image for your board according to the SECO BSP table:
Insert jumper for board RECOVERY boot (refer to RECOVERY BOOT JUMPER table to locate it)
Connect OTG cable between Board and PC (refer to OTG connector TABLE for locating it).
Power on the board
Follow different procedures according to the system that you are using:

Flashing from Linux

Extract the downloaded archive
- tar xzf <ANDROID_11_BSP>.tar.gz
Enter in the uncompressed folder
- cd <ANDROID_11_BSP_FOLDER>
Execute the script “android_flash.sh" with superuser privileges
- sudo ./android_flash.sh
Wait until the end of the procedure
Power off, remove jumper and connection
Restart the board

Flashing from Windows

Extract the downloaded archive
Open Windows terminal console
Enter in <Android_BSP_folder>
- cd Android_BSP_folder
Copy the right partition file to name “partition-table.img”
- copy partition-table-13GB-ab.img partition-table.img
Execute “android_flash.bat batch file
- android_flash.bat
Wait until the end of the procedure
Power off, remove jumper and connection
Restart the board

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

Requirements:

A Linux PC
An empty uSD CARD (min size = 8 GB)

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

Download the correct SECO Android 11 image for your board according to SECO BSP table.
extract the downloaded image:
```
tar xzf <ANDROID_IMAGE_FILENAME>.tar.gz
```
enter in the Android IMAGE folder:
```
cd <ANDROID_IMAGE_FOLDER>
```
Insert a clean uSD card in the card reader of your Linux computer
Identify the path to your uSD card:
```
lsblk
```
execute the script android_sd_create.sh to flash the card
```
./android_write_device.sh /dev/<PATH_TO_SD_CARD>
```

To boot from uSD card

Identify the jumper for ALTERNATE BOOT on the board, and insert it. Refer to ALTERNATE BOOT JUMPER table to locate it id available.
Insert the uSD card in the card slot soldered on board
Power on the board

HOW TO install SECO Android 11 BSP from USB key

Requirements:

A Linux or Windows PC
An empty USB KEY
A SECO board with at least a bootable u-boot on it ^[*]

^{[*] If your system is not bootable, you can't use USB key for installation. Please write a valid u-boot bootloader on the board using one of the previous procedures}

This procedure can be done of 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.
You can follow the installation process via the serial console.

SECO ANDROID 11 BSP table

BOARD	BSP name	Download link
-	USB SECO Unified Installation Key	SUIK IMAGE v0.1
C61	Android 11	C61 Android 11
C61-1GB	Android 11 (low memory version 1GB)	C61-1GB Android 11
C43-4GB	Android 11 (4GB)	C43 Android 11 4GB

RECOVERY BOOT JUMPER (BOOT from usb OTG)

BOARD	Jumper name	Position	Picture
SBC-C61	CN52	1-2
SBC-C43	CN44	1-2

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