Oct 10, 2020 에 업데이트되었습니다
Fix included the connection lost issue when power off and after App quit, group switch issue, multi-devices control issue, crash issue and the settings save issue.
Important Note:
1) The device need one by one to upgrade the firmware to version of 1.2.1 , please delete the others device before you upgrade the firmware, otherwise will destroy the device.
2) Please don't quit App or touch any button when under the upgrading.
