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Data transfer to a characteristic is limited to 20 bytes


we are using an nrf5340 SOC together with the SDK v1.9.0.

When running the sample "ncs_ble_tutorial_part1"  from here

we observed that maximum 20 bytes can be written to the "MY_SERVICE_RX" characteristic.

My Question:

Which modifications have to done to increase the number of byte to be transferred from 20 to e.g. 500 ?


Best regards


Best regards Georg