Thank you for helping, Vivian. I tried your suggestion but still got the same error code, 18001. I'm trying to upgrade wireless, on wifi but the error msg does not indicate that as a problem. I hope...

Region : Philippines Model : TL-WR740N Hardware Version : V4 Firmware Version : 3.16.6 Build 130529 Rel.47286n ISP : Hi everyone. I've been searching for a solution to my firmware upgrade problem but...