Share your experience!
After JB update wifi poor signal strength. This picture capture in room where router if fixed. and phone is connecting and disconnecting frequently.
before update with ICS working very fine. when I buy XS with gingerbread this problem was also there but after that Sony solve it.
Again this problem coming so we request to Sony developer to solve this issue
I update my phone through PCC. And for your information this is JB 6.2.B.0.211
First of all I recommend that you check this thread:
http://talk.sonymobile.com/message/154244#154244
Also can you please confirm this issue when connected to another access point.
Get back to me if the problem persists.