https://api.smawatch.cn/epo/ble_epo_offline.bin is for AT6558 https://api.smawatch.cn/epo/202201/m2_epo_offline_2022-01-16_8187dedc4479046dfea07770bea2ecd1.DAT is not? Why do you think so? (Reiteration is not an explanation.)
@Mark_M started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
https://api.smawatch.cn/epo/ble_epo_offline.bin is for AT6558
https://api.smawatch.cn/epo/202201/m2_epo_offline_2022-01-16_8187dedc4479046dfea07770bea2ecd1.DAT is not? Why do you think so? (Reiteration is not an explanation.)