https://fota-cloud-dn.ospserver.net/firmware/ SM-A576S SKC A576SKSU2BZIE/A576SSKC2BZIE/A576SKSU2BZIE A576SKSU1AZG7/A576SSKC1AZG7/A576SKSU1AZG7 7 01 05 14 https://ifota-apis.samsungdm.com/device/fumo/deviceheartbeat FALSE