Share your experience!
Hello sony support,
i have a problem with the wifi connection after updating the software from lolipop to marchemello, the wifi is turning on fine but it's not findind any net work connection, knowing that it was just working fine before the updating and nothing changed only updating the software not on stamina mode, useless safe mode, repairing the software version, all useless
thanks for supporting..... 
Hi mohamed12,
Welcome to the community,
I am really sorry to hear about the issues you have had. In this case if the instructions supplied above are not helping then I can only advise that you contact Sony Mobile Customer Care directly so they can help.
Use my signature below to find contact details.