Always ON mo lang roaming mo para lumabas H+.
Para naman always 3G (if maganda location) punta ka Settings>Network>Cellular Network>Preferred Network Type>Click mo 3G or in some phones WCDMA then after mo ma select ung 3G or WCDMA, punta ka naman sa Network Operators>Search Network>Sun 3G tas wait mo lang matapos.
If dual Sim ka, lagay mo lage sa Sim 1 Slot si Sun para lumabas H+, di kasi lumalabas yan pag Sim 2 Slot.