ios13 didUpdateValueForCharacteristic Obtained data with...???


As you can see from the picture, length = xx,bytes = will be added to the front of the bluetooth device acquired after ios13, but it doesn't matter, the key point is that the middle part of the acquired data is omitted, right?Become... , How can I modify the previous code to get the complete information?

There was no problem with the information that the iOS12 test picked up.

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