Flash another build on G530H?!

hello

i have a question about flashing different version of rom on this phone and of course other samsung phones
for now i have this firmware on my phone: G530HXXU2AOE2, Android 4.4.4
i know i can flash 4file of this rom : G530HXXU1ANIE , Android 4.4.4
but question is, this change can make damages to EFS partition or other part of phones?

thanks

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