Those using the HTC One X have been awaiting their Jelly bean upgrade and with HTC at the beginning of the month promised the upgrade to both One S and One X users. The One X users will be glad to hear that certain countries are starting to see the upgrade land, which means it should be with you very shortly depending on your country and network.
The HTC One S has yet to see the upgrade, but it’s also expected to start rolling out this month.