若只想更改MTU size则可以直接在sysconfig-> General Configuration Configure General BLE Settings 修改PDU size
连接后修改参考: https://dev.ti.com/tirex/content/simplelink_cc13x2_26x2_sdk_5_20_00_52/docs/ble5stack/ble_user_guide/html/ble-stack-5.x/gatt.html#maximum-transmission…