https://fota-cloud-dn.ospserver.net/firmware/
SM-F776N
KOO
F776NKSS2AZH7/F776NOKR2AZH7/F776NKSS2AZH5
F776NKSU1AZGI/F776NOKR1AZGI/F776NKSU1AZFL
F776NKSU1AZFW/F776NOKR1AZFW/F776NKSU1AZFL
1
04
14
https://ifota-apis.samsungdm.com/device/fumo/deviceheartbeat
FALSE