Firmware infos :

  Build ID: MRA58K
  Display ID: MRA58K
  Version: 6.0
  Build Date: Tue Mar 13 12:04:09 CST 2018
  Model: Grand Energy
  Brand: BLU
  Device: Grand_Energy
  Manufacturer: BLU
  Mediatek Version Release: alps-mp-m0.mp1-V2.34_zechin6580.we.m_P139

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