Its possible and it runs on sprints network. Here is how to do it. Go to http://www.sprint2boost.com/index.html and look at the htc phones. any one is compatible but i recommend the htc mogul because they go for under $20 on ebay (MAKE SURE IT HAS A CLEAN ESN). then once you receive your phone use the plus $30 on sprint2boost.com, which will put your sprint htc mogul onto boost mobile (runs on sprint). then signup for paygo which is only $0.35 a day for unlimited data. once you have it on boost you can use the HTC WifiRouter app to tether your connection to your ipad So its $50 upfront (waay less then a mifi or the extra charge for a 3g ipad) But then its only $10.50 a month for UNLIMITED data. CRAZY optional: you could be adventurous like this guy and make a mifi device out of the htc mogul. http://www.howardforums.com/showthread.php/1622716-My-custom-homebrew-Boost-MiFi-(clone)./page6 p *pictures in middle of page 6* also you can try to put the phone on boost yourself instead of paying to $30 but 1.) you have to already have a boost account with a boost mobile phone 2.) you have to keep calling customer service till you get a rep to let you use the sprint phone I recommend just using http://www.sprint2boost.com its generally cheaper unless you allready have a boost account/phone. Go to http://www.sprint2boost.com to see all the phones compatible. Then check to see if it has wifi and if you can tether it. I recommend you get a win mobile phone.