Firmware infos :

 build date               : Sat Sep 29 12:52:33 CST 2018
 build description        : full_k39tv1_bsp-user 8.1.0 O11019 1538196851 release-keys
 build id                 : O11019
 build display id         : V3TMB62A.GQU.ACCENT.32.HB.HJ.HKP1.0929.V3.01
 mediatek platform        : MT6739
 product brand            : ACCENT
 product device           : TANK_P55
 product manufacturer     : ACCENT
 product model            : TANK_P55
 os version               : 8.1.0

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