Flashing Guide-
S ∆ M E E RClean Flashing Guide :
From Any Custom Recovery (Twrp, Ofox, Pbrp, Etc.)
~ reboot to recovery
~ wipe > format data > type "yes"
~ do format data twice if recovery cant mount storage!
~ then reboot > recovery
~ wipe > dalvik, data, cache > swipe confirm
~ flash roms via sdcard, usbotg or sideload (your choice)
~ reboot system & enjoy!
From PC Fastboot (Windows, Linux, MacOS)
~ extract roms zip to your directory
~ enter fastboot mode (power & vol down)
~ double click on .bat files according to your os
ex. windows > Windows_Flash_and_Format_Data.bat
~ wait and get some coffee...
~ devices will reboot itself when its done!