Downloaded an apk file but says can't open file ..can anyome tell me how to open it please?

[AC Question]

It's a Samsung galaxy a3 phone 2016 model if that helps thanks

 

[dpham00]

You can use the stock Samsung file browser to open it. Or use solid explorer from the play store. This assumes that it is a valid apk. Also keep in mind that you can get viruses and malware from apk, so make sure it is from a reliable source.