Download pending when trying to install on my cell phone

[Android Central Question]

I went to install Alexa on my cell phone and it states download pending for 24 hours.

 

[Thacy]

Try downloading the apk file of Alexa from reliable third-party sites.

 

[ManiacJoe]

Which phone?
Which version of android?
Which carrier?
Is this a problem on both wifi and cell data?