https://devzone.nordicsemi.com/f/nordic-q-a/72118/maximum-number-of-characteristics-servicesHi, we are developing a custom BLE communication. For this we are using: - nRF5_SDK_17.0.2_d674dde - s332 - based on BLE NUS UART example Everything works fine, until we encountered a problem adding too many characteristics / services. 1. (+)en-USTelligent Community 13Sat, 27 Feb 2021 13:37:04 GMThttps://devzone.nordicsemi.com/thread/296686?ContentTypeID=1Sat, 27 Feb 2021 13:37:04 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a6070a93-71e8-45cb-bcfa-9bcaa9e065d1roar<p>I fixed it. In sdk_config.h change value of NRF_SDH_BLE_GATTS_ATTR_TAB_SIZE&nbsp;&nbsp; to 2816.</p><div style="clear:both;"></div>