Jessica no wifi after a digitizer replacement is very common if you don't change the wifi antenna along with the digitizer, it's a little curious that it worked for 3 day's though, I would get a new antenna and replace it, https://www.gounlock.com/search.php?prod..., a link to the part, you should also make sure your blue tooth is working and if its not order a blue tooth antenna at the same time if necessary, it also gets ripped out real easy during a screen replacement, you can also get the blue tooth antenna on here, http://www.ifixit.com/iPad-Parts/iPad-2n..., good luck, If this answer was helpful please remember to mark it accepted.'