Constant notification sound

[Dangen69]

Z1 compsct

[Samuel1]

Could you please elaborate the issues, when does this happen? 

[Dangen69]

Hi Samuel it was every few mins and a couple of times I thought I was just getting lots of e mails I have since uninstalled a couple of apps I use for paid surveys which has lessened the notifications

[Samuel1]

So these sounds are from apps? You could rule out phone issues by starting the phone up in safe mode (which will disable all 3rd party apps). Start the phone in safe mode by pressing on/off-button until you get the menu, then press and hold on 'turn of phone' option.