70mai A500S Firmware update Problem

After updating my device shows firmware mismatch and can't continue to use please help
 
Hold right button before connecting power.


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I also have the same problem here after update firmware. I already try as suggestion above but still error and shut down.
 

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Try this procedure. Hope it helps.
 

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I will try send a video of the step-by-step process later
 
I also have the same problem here after update firmware. I already try as suggestion above but still error and shut down.
I also have stupid updating and now facing with this trouble. newest firmware is 1.3.23ww. So anybody have that version, pls?
 
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