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--- software:oowow:how-to:start [2024/07/07 20:29]
hyphop [All how-to topics]
+++ software:oowow:how-to:start [2025/03/03 01:27] (current)
hyphop [Manual write OOWOW firmware by online]
@@ Line 77: / Line 77: @@
 For same cases if OOWOW can't bootup automaticly or via [[..:user-manual#vim4-button-shortcuts|special button shortcuts]]
+<WRAP important >
+In some case eMMC system content not allowed to boot from removable storages, in this case can try another methods, or need clean eMMC system 1st for example by same OOWOW
+</WRAP>
   * download ''XXX-oowow-latest-spi-upgrade-sd.img.gz'' from [[http://dl.khadas.com/products/oowow/system]]
-  * write image ''XXX-oowow-latest-spi-upgrade-sd.img.gz'' to SD-card
+  * write image ''XXX-oowow-latest-spi-upgrade-sd.img.gz'' to SD-card, USB or any other removable storage
-  * boot-up from SD-card and wait upgrade process will be complited
+  * boot-up from any removable storage and wait upgrade process will be completed
-  * remove SD-card and reboot device
+  * remove removable storage and reboot device
 <WRAP info >
@@ Line 90: / Line 95: @@
+## Manual write OOWOW firmware by online
+<WRAP info >
+To update or force-write the OOWOW firmware to the SPI flash on your Edge2 device manually **using Linux**, follow these steps:
+</WRAP>
+  - Use a USB cable to connect your Edge2 device to your PC via the USB OTG port (not the power USB port)
+  - Copy and paste ''%%curl dl.khadas.com/online/rockchip-burn | sh -s - oowow --refresh --write --spi%%'' command line into the linux terminal
+  - Wait prompt message ''[i] wait device with upgrade mode - need press KEY_FN 3x times''
+  - Press **KEY_FN 3x times** - middle key on left side
+  - Wait prompt message ''Write LBA from file (100%)'' This indicates the firmware has been successfully written to the SPI flash.
+  - Auto reboot your Edge2 device into new OOWOW firmware\\ ''
+[i] OKAY edge2-oowow-latest-spi.img.gz was written to spi\\
+[i] reset device''
+```shell manual update OOWOW firmware by online
+curl dl.khadas.com/online/rockchip-burn | sh -s - oowow --refresh --write --spi
+```
+Get much more help information https://dl.khadas.com/online/ or
+```shell display much more usage information
+curl dl.khadas.com/online/rockchip-burn | sh -s - --help
+```
+## Manual write OOWOW into SPI flash from local storage
+This method can be useful if we stay offline, or emergency update, restore, fix our SPI system.
+  * We need just boot oowow from any source like **sd** / **usb** / **eMMC** / **SPI**
+  * Next step is mount any storage with OOWOW SPI image - its can be same **sd** / **usb** / **eMMC**
+<WRAP info >
+Be careful this method cat write any content into SPI flash without checking for compatibility!
+</WRAP>
+```shell write oowow to SPI flash example
+root@oowow:/# gzip -dc /tmp/mounts/USB-sda1/oowow-spi.img.gz | spi_update
+[i] spiupdate => /dev/mtdblock0 (16777216 - 4096)
+###  all blks wrtd same
+3936 4096 0361 3575
+SPI flash update DONE
+root@OOWOW:/# spi off && mmc on
+```
 ## Boot-up OOWOW from SD-card

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