Looking on the internet deeply has found these results:

some advice is the most popular phrase on the web.

an advice 1298,000 results on the web	some advice 119,100,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Feb 10, 2013 ... So, here's an advice.. Quitting is hard, but don't give up! The easily stop smoking worldwide program , Nosmoq was proven to be the easiest,�... Jan 23, 2012 ... I don't see this usage in your first link; are you misreading "an advice line", where "advice" is an adjective modifying "line"? Your second�... Mar 1, 2008 ... or i'll give you advice are all ok. but unlike in spanish, you cant say ''i'll give you AN advice'' as the advice isnt an article i hope this helps you. Feb 11, 2014 ... Incorrect: Let me give you an advice. Correct: Let me give you some advice. Incorrect: She was always there to give great advices. Correct: She�...	It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

an advice

1298,000 results on the web

some advice

119,100,000 results on the web

More popular!

Feb 10, 2013 ... So, here's an advice.. Quitting is hard, but don't give up! The easily stop smoking worldwide program , Nosmoq was proven to be the easiest,�...
Jan 23, 2012 ... I don't see this usage in your first link; are you misreading "an advice line", where "advice" is an adjective modifying "line"? Your second�...
Mar 1, 2008 ... or i'll give you advice are all ok. but unlike in spanish, you cant say ''i'll give you AN advice'' as the advice isnt an article i hope this helps you.
Feb 11, 2014 ... Incorrect: Let me give you an advice. Correct: Let me give you some advice. Incorrect: She was always there to give great advices. Correct: She�...

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.