[milos123]

Hello everyone, I have a phone that supports 64 bit architecture, yet it has 32 bit Android installed which it came with. I am well aware of the benefits of 64 bit system and know that I don't get any of them, but there is an app that I would go a great distance to get but is only supported for the 64 bit OS.

Some additional info:
Android version: 9
Chip set: Exynos 7870 Octa
1.6GHz, ARM Cortex A53

[B. Diddy]

Welcome to Android Central! That would depend on some industrious person developing a custom ROM for the phone. If it's a no-name direct-from-China device, then that would be highly unlikely.

[hallux]

There would need to be a ROM built for that device using the 64-bit source code. If the device manufacturer hasn't provided one, it would seem they feel there's no benefit to doing so. The best place to look for one would be over at XDA.

Keep in mind - you can't just take any Android download and install it, it has to be one built specifically for that device. If it's not a popular or high-volume device the chances of finding what you want are going to be slimmer.