https://devzone.nordicsemi.com/f/nordic-q-a/48172/characteristics-count-limit-on-androidHi, I know that for a time there was a limit to the count of characteristics an Android phone could discover - 40. (See open AOSP bug report ) For what I understand the limit was set by the BTA_GATTC_MAX_CACHE_CHAR define in bta/gatt/bta_gattc_inten-USTelligent Community 13Tue, 14 Nov 2017 10:43:53 GMT