byt bs500neo stock firmwaer download link
Device Brand : bytwo
Device Model : bytwo
Device CPU : MT6580
Device IntName : BS500 Neo
Device Version : 6.0
Device Compile : 8/14/2017 1:52:25 AM
Device Project : ALPS.L1.MP6.V2_YUANDA6580.WEG.L_P2
Device ExtInfo : BS500 Neo
Mobile Flash solution