[par999]: Please Tell Us Which Phone Do You Have And Which Firmware. However A Main File Is Mostly GENERIC And A FS File Depends On Your Location (Entirely Your Choice) Like EUROPE_2.
[asas]: In Your Post, You Said That Your MAIN Was w880_red_cid52_r3b021_erom-fota_2006-10-12_08.bin. This Is NOT Your MAIN. This Is Your EROM. Your Main Would Be Like W880_R8BA024_MAIN_xxxxxx...xx_RED52. Regarding Your Buttons Query Let Me Tell You That After You Debrand Your Phone, The Left Key Will Be "Operator" While Right One Will Be "Shortcut Key". It The Way Non-Branded Phones Work.
Xerophie: I Would Like To Add A Little With What Semen_Alex Said. *.dvt Are Encypted Files Used By Davinci-Flasher. XS++ Requires Non-Encrypted Files (*.mbn And *.fbn). Renaming Them Wont Solve The Problem. You May Grab It From Download Area After Fulfilling The Download Requirements.