wifi issues

[Android Question]

I have a galaxy sIII mini and I suddenly am unable to connect to my wifi at home it says obtaining ip address and the says it cant connect as weak signal and disabling but the signal is showing strong when I check this on my phone. how can I sort this problem

 

[Rukbat]

Tell it to "Forget" that connection. Turn the phone off. Give it a couple of minutes. Turn the phone on and try to establish a connection.

(I'm assuming that at least one other device, like a laptop, is connecting to your wifi signal. If not, it could be a bad router, and no device will connect.)