Each phone's own settings and modem file, against what that phone had before.
{ "SendEmergencyLocationUpdates": true, "AlwaysAddGeolocationToInviteForNormalSetupEmergencyCall": true, "AllowGeolocationForEmergencyCallsWhileInboundRoaming": true, "AlwaysAddGeolocationToUpdateForNormalSetupEmergencyCall": true, "PIDFGeoPrivShape": "circle", "UseCIDUrlInPIDF": true, "AlwaysAddGeolocationForEmergencyCalls": true, "Allow3DPIDFInMessages": true }