Firmware upgrade for eeyelog E730?

kousuke

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Greetings,

My mate bought me an eeyelog E730C dashcam during his shenzhen trip

reviewing its specifications, it appears to use Ambarella A7LA50 chipset + OmniVision OV4689 CMOS sensor

http://www.eeyelog.com/product-show.asp?id=447

The G-sensor is too sensitive even at its lowest setting, the videos is bit fuzzy and the screen does not turn itself off even though it is set to 3 mins

I'm hoping a firmware update could at least fix some of these issues. Is it possible to install firmware from other dashcam uses the same chipset and CMOS sensor? For example, the Vantrue R1 Pro, mini 0806 and G90A utilise the same chipset and sensor. I'm wary of bricking the dashcam by flashing incompatible firmware

The current firmware version is B730BG_V140731G
 
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kousuke

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I contacted eeyelog
same day response and sent me firmware update V16
Extracted the archive and placed these files on the sdcard
  1. amboot_hal_kernel_romfs_dsp_release.elf
  2. e730.bin
https://www.dropbox.com/s/ztr5ej1t14m8mmz/E730B5D_KXUD9_V160314.zip?dl=0

Power on dashcam and proceed with firmware update
This is completed at 100% and the screen stay struck at 100%
Attempted to power off and reset
No joy - black screen

I suppose my dashcam is bricked?!
Advise eeyelog - they advise to send it back to the vendor

Is it possible to recover from bricked dashcam
 
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kousuke

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Bloody hell...

will try DirectUSB recovery method with USB OTG cable
 
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