===== U3 eMMC Bootloader Recovery =====

==== Case 1: Using the Recovery image ====

  - Download [[https://forum.odroid.com/download/file.php?id=6005|Recovery Image]] file.
  - Unzip with 7-Zip (Windows) or Linux using "xz -d" 
  - Prepare a microSD card and flash the attached image. flashing -> [[odroid_flashing_tools| refer this link ]]
  - Boot with the microSD without eMMC.
  - Turn on U2/U3 and wait a few seconds and blue LED will blink.
  - Plug your eMMC module into U2/U3
  - Plug micro-USB cable into U2/U3 and connect other side to your PC USB host or ODROID's USB host port. (This is a trigger to start the recovery)
  - After recovery process (only a few seconds), the blue LED will turn off automatically.
  - Finish. Install OS on your eMMC with as usual.
==== Case 2 : Boot from SD card and access the eMMC ====

<WRAP left round important 100%>
You need the [[http://www.hardkernel.com/main/products/prdt_info.php?g_code=G134111883934|USB-UART]] and serial terminal program like a Putty.
</WRAP>

1. Boot the board with a Ubuntu SD Card without eMMC.

2. Enter into the u-boot prompt by Enter key or Space key in 3 seconds.

3. Install the eMMC module on the board.

4. Issue a command to connect the eMMC.
<code>
Exynos4412 # movi init 1
</code>

5. Copy the boot code from SD to eMMC.
<code>
Exynos4412 # run copy_uboot_sd2emmc
</code>

6. Remove the SD card and power on with the eMMC. The Blue LED should be on by eMMC boot loader.