Firmware infos:

Build Version : J306_RY_G3503_L50_648_V01_20191129
Display ID : MRA58K release-keys
Ver. Incmt : eng.android204.20191129.101449
Ver. Release : 6.0
Build Time : 11/29/2019 2:16:12 AM
Product Model : L50
Product Brand : SPRD
Product Device : sp7731c_1h10
Product Manfct : L50
Product Brand : SPRD

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For CM2 v1.27

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