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If something went wrong you have (at least) two options to debrinck your device

Option 1 (working U-BOOT)Edit

  1. On pendrive put file usb_upgrade_app.bin (working upgrade file for your device)
  2. Insert pendrivie into STB and power up
  3. Enter uboot menu
  4. Enter following commands:
setenv usb_upgrade 1
setenv usb_upgrade_path usb_upgrade_app.bin
saveenv
reset

After reseting the device should start firmware upgrade.


Option 2 (U-BOOT not working)Edit

What you need:

  1. Working flash dump
  2. SPI Programmer

You can program SPI Flash memory without desoldering it from PCB using test pins on bottom layer of PCB

SPI PINS

SPI Pins


Pinout2

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