https://fota-cloud-dn.ospserver.net/firmware/ SM-S731B EUX S731BXXU6BZDP/S731BOXM6BZDP/S731BXXU6BZDP S731BXXS2AYID/S731BOXM2AYID/S731BXXS2AYID S731BXXU1AYIB/S731BOXM1AYIB/S731BXXU1AYIB S731BXXU3AYJ9/S731BOXM3AYJ9/S731BXXU3AYJ9 S731BXXU1AYH9/S731BOXM1AYH9/S731BXXU1AYH9 S731BXXS3AYK1/S731BOXM3AYK1/S731BXXS3AYK1 S731BXXS5AZBB/S731BOXM5AZBB/S731BXXS5AZB6 S731BXXS4AZA2/S731BOXM4AZA2/S731BXXS4AZA2 S731BXXS5AZB6/S731BOXM5AZB6/S731BXXS5AZB6 7 15 23 14 https://ifota-apis.samsungdm.com/device/fumo/deviceheartbeat FALSE