How to Flash Custom ROM using ADB sideload [Easy Steps]
USB Flash Drive Reveals Strange SD Card Heart | Hackaday
Pulled the trigger and the sd cards and card reader just arrived. Gonna start rom hunting and flashing a good fw. Possibly 351elec, unless you all can suggest otherwise. : r/RG351
TWRP 101: How to Mount Your SD Card or USB OTG Drive to Flash External ZIPs « Android :: Gadget Hacks
How to Flash a New Rom on Android Phone
How to Flash a New Rom on Android Phone
Guide to flash Firmware using SD card on any ZTE device