GLO 500MB Data plan offers you a 500MB worth of data and valid for 30 days, at a very cheap & affordable price. Data balance & validity can be checked by dialing *777#. It works on all internet enabled Android phones, Blackberry 10 devices, Iphones, Ipads, Tablets, Modems, Windows phones, java, Symbian, etc. Instant Data Transfer to the phone number supplied. Be assured of the best quality internet connectivity with the network that connects people.