Firmware infos:

  build date               : 2019年 05月 25日 星期六 10:38:57 CST
  build description        : sp7731c_1h10_32v4_oversea-user 6.0 MRA58K eng.jzhk165.20190525.103610 release-keys
  build id                 : MRA58K
  build display id         : MRA58K release-keys
  platform                 : sp7731ceb
  product brand            : SPRD
  product device           : sp7731c_1h10_32v4
  product manufacturer     : L40
  product model            : L40
  os version               : 6.0

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