https://community.sony.hu/t5/c-series/marshmallow-bt-problem/m-p/3538364#M6054 At my expenses I discovered that after the upgrade somehow the Bluetooth stack crashes consistently especially if you use WiFi at 5ghz. I found that the only way to fix this issue is to do a software repair using XC. Sun, 12 Mar 2017 22:26:17 GMT YoGem 2017-03-12T22:26:17Z https://community.sony.hu/t5/c-series/marshmallow-bt-problem/m-p/3538363#M6053 After updating to 6.0,BT doesnt work anymore. How can i fix it pls help. C5 ultra. Sun, 12 Mar 2017 21:28:01 GMT https://community.sony.hu/t5/c-series/marshmallow-bt-problem/m-p/3538363#M6053 dekanke 2017-03-12T21:28:01Z https://community.sony.hu/t5/c-series/marshmallow-bt-problem/m-p/3538364#M6054 At my expenses I discovered that after the upgrade somehow the Bluetooth stack crashes consistently especially if you use WiFi at 5ghz. I found that the only way to fix this issue is to do a software repair using XC. Sun, 12 Mar 2017 22:26:17 GMT https://community.sony.hu/t5/c-series/marshmallow-bt-problem/m-p/3538364#M6054 YoGem 2017-03-12T22:26:17Z https://community.sony.hu/t5/c-series/marshmallow-bt-problem/m-p/3538365#M6055 <BLOCKQUOTE><HR /><A href="https://community.sony.co.uk/t5/user/viewprofilepage/user-id/971973">@dekanke</A> wrote:<BR />After updating to 6.0,BT doesnt work anymore. How can i fix it pls help. C5 ultra.<HR /></BLOCKQUOTE><P>I agree with YoGem i think Xperia Companion most problems like this helping often to fix after update <IMG class="lia-deferred-image lia-image-emoji" src="https://community.sony.hu/html/images/smilies/011.png" alt="Slightly_smiling_Face" title="Slightly_smiling_Face" /></P> Tue, 14 Mar 2017 20:16:21 GMT https://community.sony.hu/t5/c-series/marshmallow-bt-problem/m-p/3538365#M6055 2017-03-14T20:16:21Z