Firmware infos:

  build date               : 2019年 09月 03日 星期二 09:49:15 CST
  build description        : full_yuanda6580_weg_l-user 5.1 LMY47I 1567475322 release-keys
  build id                 : LMY47I
  build display id         : Q5P_80L_WEG_3GW_B15_EMMC_DDR2_32_4_FWVGAP_JJKJ_T77_A_DZ_A90_20190903-094915
  platform                 : MT6580
  mediatek version release : ALPS.L1.MP6.V2_YUANDA6580.WEG.L_P2
  product brand            : T77-A
  product device           : T77-A
  product manufacturer     : T77-A
  product model            : A90
  os version               : 5.1
  build date               : 2019年 09月 05日 星期四 13:34:34 CST
  build description        : full_yuanda6580_we_l-user 5.1 LMY47I 1567661637 release-keys
  build id                 : LMY47I
  build display id         : C529_80L_WE_3GW_B15_EMMC_DDR3_64_8_HDP_JJKJ_T73_E_DZ1_A90_20190905-133434
  platform                 : MT6580
  mediatek version release : ALPS.L1.MP6.V2_YUANDA6580.WE.L
  product brand            : T73-E
  product device           : T73-E
  product manufacturer     : T73-E
  product model            : A90
  os version               : 5.1

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