- Retrieve device’ specs: https://www.devicespecifications.com/en/model/54f84cba
- Start from xda and search for LOS-based customs in order to grab sources/device trees (and, why not, try ask there if someone can build \e\ for you): https://forum.xda-developers.com/f/samsung-galaxy-j4-roms-kernels-recoveries-ot.8287/
- Share infos you’ve collected (don’t forget tags), like this: Samsung Galaxy A10 (Exynos)
If you’ll recieve no responses, consider building \e\ yourself by folloqing this guide:
https://doc.e.foundation/support-topics/build-e
And/or this other (for beginners):
Thanks