▁to ▁use ▁Face Time ▁as ▁long ▁as ▁they ▁were ▁tier ed , ▁but ▁blocked ▁the ▁application ▁from ▁working ▁for ▁customers ▁with ▁un limited ▁data ▁plans . ▁They ▁were ▁brought ▁before ▁the ▁Federal ▁Communic ations ▁Commission ▁( F CC ) ▁for ▁net ▁neutral ity ▁viol ations . ▁ ▁In ▁May ▁ 2 0 1 1 , ▁it ▁was ▁found ▁that ▁Face Time ▁would ▁work ▁se am lessly ▁over ▁ 3 G ▁on ▁all ▁iPhone , ▁i Pad , ▁and ▁i Pod ▁Touch ▁models ▁that ▁supported ▁it . ▁Even ▁though ▁Face Time ▁worked ▁only ▁over ▁ 3 G ▁at ▁that ▁time , ▁it ▁now ▁supports ▁ 4 G ▁L TE ▁calls ▁on ▁networks ▁all ▁over ▁the ▁world , ▁avail ability ▁being ▁limited ▁to ▁operators ' ▁G SM ▁plans . ▁ ▁In ▁June ▁ 2 0 1 8 , ▁Apple ▁announced ▁that ▁Face Time ▁would ▁support ▁group ▁video ▁and ▁audio ▁calls ▁with ▁up ▁to ▁ 3 2 ▁people ▁in ▁iOS ▁ 1 2 ▁and ▁mac OS ▁M oj ave . ▁ ▁Im plementation ▁▁▁ ▁Face Time ▁works ▁by ▁establish ing ▁a ▁connection ▁between ▁two ▁supported ▁devices . ▁Most ▁Apple ▁devices ▁( such ▁as ▁i Ph ones , ▁i P ads ▁and ▁Mac s ) ▁introduced ▁after ▁ 2 0 1 1 ▁support ▁Face Time . ▁Face Time ▁is ▁currently ▁in compatible ▁with ▁non - App le ▁devices ▁or ▁any ▁other ▁video ▁calling ▁services . ▁Mac ▁models ▁introduced ▁in ▁ 2 0 1 1 ▁have ▁high - definition ▁video ▁Face Time , ▁which ▁devices ▁use ▁automatically ▁when