General improvements in version 4.0 include the changes necessary to facilitate BLE modes, as well the Generic Attribute Profile (GATT) and Security Manager (SM) services with AES Encryption.
تتضمن التحسينات العامة في الإصدار 4.0 التغييرات الضرورية لتسهيل أوضاع BLE ، بالإضافة إلى خصائص (Generic Attribute Profile GATT) و ( (Security Manager SM مع تشفير AES.