I have B310s-927 with the last firmware 21.323.03.00.1065
i tried to flash with Balong USB Downloader 1.0.1.10 but i always get this message.
0000: ED 05 FA 53 C0
now the modem is stuck in emergency mode ( no leds working and one COM port working )
and if i reset power form router it starts in emergency mode again with no leds and one COM port working
