It's only really a sound pack so that's why it's small. Some people need a custom kernel on this rom to get wifi working as wifi won't work with this rom on a 4.1.2 bootloader. A custom kernel gives you options to undervolt and over clock. It can also give you options to increase volume ,modify screen calibration and increase charging rates. Devil kernel also gives you the option to dual boot 2 different roms.
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