A popular choice for those who want a "Pixel-like" experience with additional customization options and performance tweaks.

: Ideal if you want to "de-Google" your life. It is privacy-focused and has unofficial builds ranging from Android 9 (Q) to Android 12 (S).

: A newer project focused on performance and speed, often cited for bringing "flagship features" to budget Samsung devices. GSI (Generic System Images)

There is also the physical risk. Several users have reported that after flashing the "hottest" performance-oriented ROM, their J4 Plus exhibited screen burn-in due to higher display voltage or, in extreme cases, a swollen battery from constant thermal stress during fast charging.

Assuming you have TWRP installed, here is the specific order to flash these ROMs to avoid boot loops.

Versions above Android 11 often run into "boot to download mode" loops. Newer hotfixes (like Medusa kernel) are often required to keep it stable. Performance & Heat Review

: Generally the most stable "hot" picks for daily drivers. They fix issues like VoIP, DRM L1 for Netflix, and dual SIM detection.