https://forum.xda-developers.com/t/app-mod-netflix-8-1-2-build-3844-atv-for-uncertified-devices-by-netflix.4232373/
ESN là NFANDROID1-PRV-0-VINATV4K-VSMARTVINATV4K-XXXXX-
XXXXX là tuỳ theo máy. cách lấy XXXXX là mở app DRM Info -> Google Widevine DRM -> lấy số System ID
