E21 501 firmwaer@flash file mt6580 4.4.2
E21 C502 stock firmwaer download link
Device Brand : C502
Device Model : s2609_md_m07_final
Device CPU : MT6580
Device IntName : s2609_md_m07_final
Device Version : 5.1
Device Project : ALPS.L1.MP6.V2.19_RGK6580.WE.A.L_P7
Device ExtInfo : C502
Device DisplayID :S2609_MD_M07_FINAL_V004_S0513
Device BoardID :s2609_md_m07_final
Device BuildDate :Fri May 13 19:37:22 CST 2016
Device Storage : EMMC
FlashID[0],CID[90014A483847316505],Name[8G1e] FlashID[1],CID[110100303034474530],Name[04GE0] FlashID[2],CID[90014A483447326111],Name[4G2a]
Mobile Flash solution