Dropbox - Extra 500MB for New Signups + 3GB Trick, 2.5GB Initial Space instead of 2GB

Just joined Dropbox.
If you sign up with someone's referral link, like the one below, you get 500MB extra, and I also get 500MB extra! Win-win!
https://www.dropbox.com/referrals/NTE3MTE5N...OTk?src=global9

There are lots of tips to get more storage.
Do all the stuff on Dropbox's checklist to get free space. Also you can get 3GB extra if you upload 2.5GB worth of photo. But there is a trick to make Dropbox think you uploaded 2.5GB when you only upload a few MB.
I have tried this:
http://forum.xda-developers.com/showthread.php?p=22184862

Worked on my non-Unifi connection! Done in 5 mins!
Any questions I am pleased to help answer