PreferenceSpecifiers Type PSGroupSpecifier Title Auto Download Key auto_download_incoming_files_max_size Title Files max size DefaultValue -1 Type PSTextFieldSpecifier KeyboardType NumbersAndPunctuation IASKTextAlignment IASKUITextAlignmentRight DefaultValue 0 Type PSMultiValueSpecifier Titles Disabled Preferred Mandatory Values 0 2 1 Title Encrypt messages with LIME Key use_lime_preference Type PSGroupSpecifier Title File sharing AutocapitalizationType None AutocorrectionType No KeyboardType URL Type PSTextFieldSpecifier Title Server URL Key file_transfer_server_url_preference IASKTextAlignment IASKUITextAlignmentRight