: Sites like Softwarezone.ga or BadCaps often host RAR or 7z files for universal boards like the SIS 231 series. Flash Instructions for SIS 231 P83
smart-tech smt39dtv1 tp.sis231.pt85 v390hj1-p02 firmware dum Download free of charge (10 files / day): Elektrotanya Download SIS 231 P83 Panel V390HJ1 P02 Backup Dump rar
). Using a dump for a different panel may result in a "Solarized" picture, upside-down image, or a black screen. : Sites like Softwarezone
V390HJ1-P02 Features * 868.72(W)×492.83(H)×1.35(D) mm. * Antiglare (Haze 3.5%), Hard coating (3H) Chimei Innolux V390HJ1-P02 Overview - Panelook.com V390HJ1-P02 Features * 868
You can find the specific firmware files and board schematics on several technician-focused platforms:
: Always read and save your current corrupted firmware before overwriting it, just in case you need to revert.
: The backup is usually a .bin file compressed inside a .rar or .7z archive. Use a tool like 7-Zip to extract it.