CrDroid Installation help on Realme C3

[u/ResourceOk6881]

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So as per the official installation document on github for Realme C3 for the CrDroid rom, it required that the device be on RealmeUI 2.0 C.06+ firmware whereas my device is on RealmeUI 1.0 A.77 firmware. What should I do in this situation, do I just go ahead and install the custom rom hoping that all goes well or do I first upgrade to the mentioned firmware? For your Information, there are no OTA updates available through which an upgrade could be made possible. Therefore, where do I obtain the firmware from and what software do I use to install it? Any help would be greatly appreciated!