Hi i have Xperia E3 D2203 and i have wifi problems... i connect to my Wifi and after 5-10 minutes phone disconnect from Wifi. Then i must turn on mobile data and wait 3-5 minutes until phone gets connected. But signal again drop. i have router 5 metres from me so distance is not problem . Please help me ... Thank you in advance 
OK thank you so much for help !
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