Mine has disappeared too on Galaxy S7.@FidoTerry.. more like carriers removed data toggle so people would forget it was on and overage charges can then be applied... but nice try at talking out your **bleep**.
I had the HTC One S for a couple days as well.. same problem.. only Edge network... Fido Customer Hassle department and HTC were about as helpful as a butter knife in a gunfight.. so I dumped the phone back on the retailer (London Drugs, which has a ...