how to exchange MTU between central and peripheral

[LiuQingwen946]

23 Bytes is too small, i need help for how to exchange MTU between central and peripheral

[ukBaz]

What is it you are having problems with?
Why is 23 too small?

On ReadValue and WriteValue you have the option to set the MTU on the server/peripheral.

Have you tried doing that? Did it work? What error messages are you getting?

The GATT MTU option is directly from the BlueZ API: https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/doc/org.bluez.GattCharacteristic.rst