I do have my phone rooted and using UnL3ASHED 1.3 and was wondering if there was a way to bypass verizons maximum file size limit for the 4g say a 70meg video to youtube. Thanks for the help!
Check to see if you have battery saver settings enabled. If so, that's probably what's stopping your downloads. I've downloaded files that were well over 200MB before without issue (3G).
I believe uploading is actually the issue, not downloading. Verizon has placed an upload limit when connected to 4G. I believe the message states "The file will be uploaded when connected to Wifi."