Moto x XT1058 AT&T Wifi Problem

Hi everyone, I started to hate my phone because this problem, I have a frustrating problem with the WiFi of my Moto X xt1058 after upgrade to lollipop 5.1, The Wifi doesn't stay on in sleep mode, I tried everything, Wipe cache, Factory reset, "Keep Wifi On during sleep = Always" and nothing works.

Someone have the same problem or I'm just me?



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