yes, it is sad, but as all friends above say, you can only be certain if you get your devices at an authorized dealer or carrier, the only way to get the rea˝l stuff, then, any problem happens , there is always support for you, think about it
former symbian user, N95, N97, N8

old devices xperia S Lt 26, SGS 3 GT i9300 Saphire black,

current galaxy note 3 sm 900w8 black, debloated stock, rooted, . xposed framework, knox state 0x1