hello my friends,
first sorry if my english is not very good, i have an indoor monitor dahua vth1550ch-s2 it was under firmware version V4.410.0000000.4.R.20200221 and i updated it with Nordic_V4.600.0000000.0.R.220819 firmware after extracting it we found two part of firmware part1 and part2 i update it with vdp config tool the update of part 1 stoped at 54% and my vth1550ch-s2 went on black screen now its bricked it wont turn on and when i pluged it into the lan cable there is no ip detected or any thing the only thing that show is the red led when i pluged it into power, I unsolder the eeprom ( gigadevice GS25Q127C ) i programmed it with CH341 with the firmware V4.410.0000000.4.R.20200221 and solder it back into the board but nothing hapened still the same problem, can u please post a video or more explain how to use this methode TFTP and TTL technique. i tried all and connect the rx tx gnd but cant have a response via putty or any thing else plz i need ur help.
Thank you.
first sorry if my english is not very good, i have an indoor monitor dahua vth1550ch-s2 it was under firmware version V4.410.0000000.4.R.20200221 and i updated it with Nordic_V4.600.0000000.0.R.220819 firmware after extracting it we found two part of firmware part1 and part2 i update it with vdp config tool the update of part 1 stoped at 54% and my vth1550ch-s2 went on black screen now its bricked it wont turn on and when i pluged it into the lan cable there is no ip detected or any thing the only thing that show is the red led when i pluged it into power, I unsolder the eeprom ( gigadevice GS25Q127C ) i programmed it with CH341 with the firmware V4.410.0000000.4.R.20200221 and solder it back into the board but nothing hapened still the same problem, can u please post a video or more explain how to use this methode TFTP and TTL technique. i tried all and connect the rx tx gnd but cant have a response via putty or any thing else plz i need ur help.
Thank you.