If the picture is strange after flashing, you may need to enter the Service Menu (usually Menu + 1147 or Source + 2580 ) and adjust the Project ID or LVDS settings .
Complete Guide to TP.DRT2841.PB772 Firmware: Free Download and Installation tpdrt2841pb772 firmware free
Follow this verified method to obtain the firmware without spending money: If the picture is strange after flashing, you
: Usually, the file must be named Update.pkg or allupgrade_v2841.img (check your specific download instructions). black screen with sound
What is it showing? (Stuck on logo, black screen with sound, etc.) Do you have access to a computer to format a USB drive?