Each phone's own settings and modem file, against what that phone had before.
{ "SupportSecureIntent": false, "SupportedEntitlements": 8192, "ProtocolVersion": "2", "Authentication": { "Type": 1, "Username": "0$IMSI@nai.epc.mnc$MNC.mcc$MCC.3gppnetwork.org" }, "ProvisioningRecheckPeriod": 3, "ServerAddress": "https://ios-es.1888.com.mo", "SupportPhysicalSIMtoESIMTransfer": true, "SupportsOnDevicePhysicalSIMConvert": true, "UpdatePeriod": 24 }