Till yesterday I could connect to my wifi network..but today when I tried connecting to any network...I couldn't but instead...i got the message saying "no connections available"...Now I can't connect to anything...I tried restarting several times...took out sim card and battery..and restarted too....but didn't seem to work...any idea's what can be done next?? Thanks...

And sorry if the same post exists somewhere else...I looked for answers but didn't get any