How can I download apps on an android phone without a data plan?

I can access apps already on my phone but I can't download anymore. I have wifi. My sister got a new phone and we have the same old phone but she can download apps. Its the Samsung Galaxy S. And when I try to download an app when it stops it says package file is invalid
Answer:

try turn off traffic data, then download from the google play store(android market) and see if it works

KBrocks at Yahoo! Answers Visit the source

Was this solution helpful to you?

Other answers

reboot your phone... work now? if not.... clear Playstore cache in settings>apps>manage app>all tab>Google Play store.... reboot phone and try again... work now? if your not using Playstore, and your using and other market, contact the dev from that marketplace

Related Q & A:

Why can't I download apps on my android phone?Best solution by Android Enthusiasts
How can I put custom firmware on my PSP without a Pandora battery?Best solution by Yahoo! Answers
How can I get apps for my phone?Best solution by ehow.com
How can I download a mp3 to my Razr v3?Best solution by Yahoo! Answers
How can I download messenger (msn) onto my phone?Best solution by microsoft.com

Just Added Q & A:

How many active mobile subscribers are there in China?Best solution by Quora
How to find the right vacation?Best solution by bookit.com
How To Make Your Own Primer?Best solution by thekrazycouponlady.com
How do you get the domain & range?Best solution by ChaCha
How do you open pop up blockers?Best solution by Yahoo! Answers

For every problem there is a solution! Proved by Solucija.

Got an issue and looking for advice?
Ask Solucija to search every corner of the Web for help.
Get workable solutions and helpful tips in a moment.

Just ask Solucija about an issue you face and immediately get a list of ready solutions, answers and tips from other Internet users. We always provide the most suitable and complete answer to your question at the top, along with a few good alternatives below.