Complex sentence: Phase 1 Freeview devices were not required to feature Freeview MHEG-5 EPG technology, and manufacturers could sell Freeview Phase 1 devices without MHEG-5 until 2012, and were not required to label such devices as Phase 1.
Split into simpler sentences: Phase 1 Freeview devices were not required to feature the MHEG-5 technology that Freeview uses to support its Freeview EPG. Freeview agreed that manufacturers could sell Phase 1 devices without MHEG-5 until 2012, and were not required to label such devices as Phase 1.