Fplus T1100 Stock ROM Firmware (Flash File) The Stock ROM (firmware) can be used to reinstall the operating system (OS) on the mobile device. It can be very handy when experiencing software errors, facing a device start-up loop, dealing with battery drain issues, or upgrading or downgrading the mobile OS. File Name: Fplus_T1100_MT6771_20190711.zip File Size: 1.56 GB Flash Tool: SP Flash Tool for Windows | SP Flash Tool for Linux How-to Flash (install): Follow Tutorial Mirror 1 (Free)Mirror 2 (Paid)