Marshmallow bt problem

[dekanke]

After updating to 6.0,BT doesnt work anymore. How can i fix it pls help. C5 ultra.

[YoGem]

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.

[#3]

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@dekanke wrote:
After updating to 6.0,BT doesnt work anymore. How can i fix it pls help. C5 ultra.

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I agree with YoGem i think Xperia Companion most problems like this helping often to fix after update