My Nokia Lumia 625 has gone down its volume by 50, how can I get it back to normal?

[Windows Central Question]

my nokia lumia 625 has gone down its volume by 50%

facing problem with lumia 625 volume down by 50% of original

 

[Teo Bartulovic]

Re: my nokia lumia 625 has gone down its volume by 50%

Clean spekarephone hole, get out dust if it doesn't helps and if it is not software issue than you'll have to replace speakerphone...