I am also facing a similar issue...wifi shuts down,frequently and the only way to get it sorted is restarting or on/off. Its really frustrating. I recently got it replaced but again its giving...

Region : India Model : TD-W8151N Hardware Version : V3 Firmware Version : 3.0.0 build 120530 rel 31118 ISP : BSNL I bought TD W8151N a month ago and got it replaced 3 days back because of frequent...