In this video, there is a tutorial on updating the Android OS version on the Samsung Grand 2 SM G7102 via the stable CyanogenMod custom ROM because on the official Samsung the update is only stuck on the KitKat 4.4.2 version. I hope this video tutorial is useful and thank you.
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file download link;
~update file for custom ROM https://drive.google.com/file/d/1Cm57...
~file for Gapps https://drive.google.com/file/d/1c6mA...

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