Each of my eGo-T’s are no longer working – flashing 3 times and 20 times

Each of my eGo-T’s are no longer working – flashing 3 times and 20 times I’ve two eGo-T’s that are faulty. The problem occurs when I put a cartridge on the battery (which is fully charged) on my first eGo-T. Once I screw into the cartridge, extremely gradually and carefully, and hold straight down the […]