Firmware infos :

  build date               : 2019年 12月 19日 星期四 19:16:53 CST
  build description        : full_g1813_v2_gu_kw_j3_60-user 9.0 MRA58K 1576753251 dev-keys
  build id                 : MRA58K
  build display id         : G1813_V2_GU_KW_J3_60_V1.2
  platform                 : mt6580
  mediatek version release : G1813_V2_GU_KW_J3_60_V1.2
  product brand            : Android
  product device           : Android
  product manufacturer     : DUODUOGO
  product model            : Android
  product board            : J3
  os version               : 9.0

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