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Tinker Board

A Guide to Recovery and Flash

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If there's any failure encountered during the OS writing process on Tinker Board S, you can either recover using the UMS from eMMC if eMMC’s U-Boot still workable, or re-writing the OS using UMS from a microSD card if there's a problem booting from eMMC's U-bbot.

Below are the procedures: 

UMS from eMMC

eMMC’s U-Boot still workable and had built-in the UMS function.

Can use the UMS mode to re-flash

  1. The eMMC need have a workable U-Boot.
  2. Connect Tinker Board S to PC via Micro-USB.
  3. It would booting & create the partitions like a USB drive.
    (please remove other extend device on board)
  4. Just flash as the old way.

UMS from SD card

eMMC’s U-Boot is broken to booting or not built-in the UMS function (e.g. 3rd party custom image).

Can trigger the UMS mode from SD card

  1. Flash the Image (with UMS’s U-Boot) to SD card.
  2. Install the SD card to Tinker Board S.
  3. Plug the Jumper on the Maskrom mode.
    (force to boot from SD, jump out the eMMC)
  4. Connect Tinker Board S to PC via Micro-USB, then there will become as USB mass storage on your computer
  5. Then you can flash the eMMC as usual, the old way. (e.g.: win32DiskImager, etcher and so on)
  6. After finish the image flash, unplug the USB from PC and then put the jumper at the "no function" mode.
  7. Plug in the AC adaptor to boot the device
  8. It would boot successfully & create the partitions like a USB drive.
    (please remove other extend device on board)

Without UMS mode

Recovery from SD’s image system & without the PC mode (ready on TinkerOS v2.0.4 or above)

  1. Plug the Jumper on the Maskrom mode.
    (force to boot from SD, jump out the eMMC)
  2. Flash the Image (any can bootable) to SD card.
  3. Plug the SD card to Tinker Board S.
  4. Booting the Tinker Board S.
  5. It would booting to the RootFS.
  6. Then dd or other ways to flash new image file to eMMC(mmcblk1).

 

* Further details could be find on Setup - Tinker Board Wiki (tinkerboarding.co.uk).

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