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#1 |
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Device: Oasis
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KOA 8th (2016) How to flash the kernel after clearing the EMMC
How to flash the kernel after clearing EMMC in KOA 8th (2016) Hello everyone, my English is not very good, this article is published through Google Translate My Kindle Oasis 8th (2016) wifi+3G version Serial number G0B0GD09 Because the card tree cannot be started, the machine is disassembled and connected to TTL via USB First, on the win10 system, Use the kindletool-v1.6.5.251-mingw tool to unpack the 5.16.2.1.1 firmware Get the uImage and fwo_rootfs.img files Use SecureCRT 8.5 to connect KOA via TTL, press and hold the power button to start, press Enter to interrupt the startup, you can enter the boot mode, enter bist fastboot to enter the fastboot flashing mode Hold down the Shift key on the keyboard and right-click the mouse to open a Powershell window in the current directory. Enter the command: .\fastboot.exe flash kernel uImage Flash the kernel Then enter .\fastboot.exe flash system fwo_rootfs.img Try to flash the system Finally enter .\fastboot.exe reboot Restart the device But it still cannot start normally after restarting, and it is still stuck in the big tree interface. Then, I stupidly and mistakenly used the clear Emmc command in diagnostic mode. That is, after long pressing the power button to start, skip the first press of Enter in the SecureCRT interface, and press Enter after the second prompt. When the interface with a 10-second countdown is displayed, I mistakenly selected 4 and cleared Emmc. Now my Kindle can only be connected via TTL, and no other connections respond. I think my description should be more detailed. The following is the problem I am facing. Can this KOA be repaired now? |
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#2 |
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Join Date: May 2025
Device: Oasis
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The problem is solved. I found a professional technician on the Xianyu app in China. He fixed it for me for only $6.88. He should have re-flashed the kernel and system through TTL, and now it is completely back to normal.
It seems that as long as TTL can enter the boot mode normally, it can still be fixed, but it requires professional technology. |
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#3 |
Member
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Join Date: May 2025
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You can try to refer to this post to use TLL to connect KPW3 to flash the kernel and system https://blog.csdn.net/feifeibest168/...ails/129777634
You can use GOOGLE translation to read One thing to note here is that it is best to install the driver dedicated to the kindle CPU instead of the general Android ADB driver, otherwise the flash command cannot be run in the CMD window |
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