oppo a37 frp unlock done 100%

oppo a37 frp lock done by falcon box
It's known as a com port RELINK HS-USB QDLoader 9008 COM9
It's listed only on Coolpad Menu Qualcomm
1.Press and hold 'VolumeUp' and 'VolumeDown' keys.
 2.Please insert USB cable within 50 seconds.

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Zelta Q20 flash file

 SP7731CEB_scx20_sp7731ceb_5.1_Q20_2_XXX_1.0_1.0_01072016_Q20
 latest version flash file official  firmware
flash file lcd Problem solution fix
flash hang logo problem solution
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Created by Infinity-Box (c) Chinese Miracle II (c) 2017
Device Brand   : Zelta
Device Model   : scx20_sp7731ceb
Device CPU     : sp7731ceb
Device IntName : sp7731ceb_dt_oversea
Device Version : 5.1
Device Compile : 7/4/2016 7:33:32 AM
Device Project : Q20_2_XXX_1.0_1.0_01072016
Device ExtInfo : Q20