This is for flashing Belkin F5D7231-4 v2000 fccid: K7SF5D7231B ------ F5D7231-4_v2000_sercomm_dd-wrt.bin --------- 1. Install Sercomm utility 2. Reset the router to defaults 2. Upplug router, press reset button and keep it pressed while plugging in the power. Release it when lan leds turn off. Power and Connected led must blink. This means upgrade mode. 3. Start Sercomm utility - let it find your router. Then upgrade it with F5D7231-4_v2000_sercomm_dd-wrt.bin 4. When router reboots wait 30s, then press reset button for 5s (until power led turns off) 5. You should have dd-wrt at 192.168.1.1 ------ F5D7231-4_v2000_sercomm_revert.bin ---------- 1. Install Sercomm utility 2. Reset the router to defaults 2. Upplug router, press reset button and keep it pressed while plugging in the power. Release it when lan leds turn off. Power and Connected led must blink. This means upgrade mode. 3. Start Sercomm utility - let it find your router. Then upgrade it with F5D7231-4_v2000_sercomm_revert.bin 4. When router reboots wait 30s, then press reset button for 10s to restore defaults 5. You should have Belkin firmware at 192.168.2.1