Same problem for me on a Z5 compact after Marshmallow update (it could have happened with Lollipop but far less often). Connected with my headphones (Sennheiser Momentum Wireless) which are working great with other devices and were ok with z5c before update. Now i hear a lot of stutters, especially when the phone send/receive datas (thru Wifi or cellular network). It's almost impossible to use the headphones now. And if i have to choose between my Momentum and the Z5c, i think i'll reconsider buying something else than Sony. So please fix quickly!
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Hi Having same kind of issues on my Z5 Compact. I own a Z5 compact since a few monthes. WIFI is working great everywhere except at my work for a reason i ignore. Each time i connect to my work WIFI, i got the connection and internet is working. But the connection drops after a few minutes. Even if the z5 compact stays awake (it can happen while i'm using internet). The Wifi is still marked as connected to the network on settings but without internet access. I tried to connect to a local IP and it's not reachable neither. I tried to connect with a static IP address but no better result. Each time i get disconnected after a few minutes. I first thought it was realated to the WIFI network, but my Z3 compact never had this issue and all other devices are ok on the exact same network(all kind of phones, PCs...). Tried to reboot the WIFI receiver. No change. Finally i was hoping the Marshmallow firmware to fix the issue. Got it yesterday and... nope, this issue still won't allow me to connect to my work WIFI with this phone. I think i'll change my phone soon and not sure to stay with Sony this time...
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