kung iphone 7 plus talaga yan, wala namang official na wifi only variant ang iphone, so possible na carrier locked, may baseband issue, or bypassed/icloud issue kaya wifi lang gumagana. kung carrier lock lang, pwede ipa-openline pero dapat via official carrier unlock or trusted imei unlock service, depende sa original network at status ng phone, kailangan clean imei at fully ρáíd. pero kung no imei, no modem firmware, searching/no service lagi, or bypassed unit siya, hindi yan maaayos ng openline kasi hardware/baseband or activation issue na yan. check mo muna sa settings > general > about kung may imei at modem firmware, tapos try ibang sim. pag meron imei at modem firmware pero invalid sim/sim not supported, carrier lock likely. pag blank o wala, repair na yan hindi openline. ingat lang sa mga tuts na may bypass eme kasi kadalasan temporary lang or delikado sa account/device