my xperia J wi-fi has problem

[Getbackers]

When i hard reset my phone 

 it had wifi problem ... is it the a bug on new software cause when i hard reset my xperia before it didnt have any problem 

(i used sony PC companion to hard reset my phone ) Pls help ...  

[Alexander1]

Hi and welcome to the community! Since you're new please be sure that you have checked out our Discussion guidelines.

Could you please elaborate the problem you experiencing regarding Wi-Fi? 

[Getbackers]

well i can connect to wifi but it just disappear and appear for like 15 sec then disappear

since i hard reset it i was having problem

( i followed this video to hard reset https://www.youtube.com/watch?v=PhAvRC2QDog ) 

PLs help

[Alexander1]

Do you experience the same behavior on other Wi-Fi networks or just one? 

Please take a look at the following topic: 

http://talk.sonymobile.com/t5/FAQ/Wi-Fi-problems/m-p/348104#U348104