Firmware infos :

 board id: MRI-880-V1.2 2017-09-22
 Build ID: LMY47I
 Display ID: LMY47I test-keys
 Version: 5.1
 CPU: MT6580
 Build Date: Mon Apr 23 11:25:50 CST 2018
 Model: X
 Brand: iPhone
 Device: iPhone
 Manufacturer: iPhone
 Region: CN
 Region: US
 Region: US
 Mediatek Version Release: ALPS.L1.MP6.V2.19_CENON6735.WEG.1.L

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