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Flashing just the kernel

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Posted at 2/5/2018 03:03:42     
Last edited by korinel In 2/5/2018 03:04 Editor

I am using a May 2017 Ubuntu firmware on my RK3399, but I notice that there is a November 2017 firmware update, which presumably has some improvements.  Can anyone say what those improvements are, whether there are any issues with them, and is it possible to just flash the kernel, keeping the filesystem as is?
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Posted at 2/5/2018 09:32:36     
yes, just flash the block of the kernel part.
http://en.t-firefly.com/doc/product/info/id/263.html#upgrade_tool
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Posted at 2/14/2018 07:36:21     
I have tried out the November image. Generally it works well (haven't tried out earlier images, so I can't compare), but the sound card wasn't found. May be a solvable issue, I haven't tried hard.
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Posted at 2/23/2018 14:57:48     
maarten Posted at 2/14/2018 07:36
I have tried out the November image. Generally it works well (haven't tried out earlier images, so I ...

no sound from hdmi and earphone ?
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Posted at 2/26/2018 04:20:17     
  1. aplay -l
Copy the code


did not list any soundcards, so no, no hdmi and no earphone.
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Posted at 2/26/2018 10:06:16     
maarten Posted at 2/26/2018 04:20
did not list any soundcards, so no, no hdmi and no earphone.
  1. root@firefly:~# aplay -l
  2. **** List of PLAYBACK Hardware Devices ****
  3. card 0: rockchiprt5640c [rockchip,rt5640-codec], device 0: ff890000.i2s-rt5640-aif1 rt5640-aif1-0 []
  4.   Subdevices: 1/1
  5.   Subdevice #0: subdevice #0
  6. card 1: HDMICODEC [HDMI-CODEC], device 0: ff8a0000.i2s-i2s-hifi i2s-hifi-0 []
  7.   Subdevices: 1/1
  8.   Subdevice #0: subdevice #0
Copy the code

I have no idea what s going on your board ,  try the newest firmware.
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