mistak upgrate firmware TD-W8901N
i make a big mistake to upgrade firmware version of modem "TD-W8901N" from hardware V1 to V3 ..
so i cant update to old version(v1) ERROR msg " ERROR: FAIL TO UPDATE DUE TO... The uploaded file was not accepted by the router"
for this reason i can't get IP gateway from ISP"
NOW Plase plase help me to solve this problem