This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

5.0 支持一次性传输数据最大应该是 256-5 = 251 ?

经改了ble 的MTU ,但是传输一块大的数据它还是分割成 20 个字节进行传输了,这是为什么 ?