Dear friends , I tried to install the ROM MIUI 6.1.14 china just left. I have used , as I always do , the TWRP . Now , once flash , the cell remains fixed on the screen MI . I wanted to make a recovery, trying to get into TWRP with vol + and power , the cell returns to the screen MI . I then downloaded MIFLASH for mi4c and its rom pounds . trying to flash , the software responds with the error device is locked . You can help me??