Twrp Samsung J2 Core [better] ✦
However, this is not for casual users. If you rely on Samsung Pay, Secure Folder, or need your phone for mission-critical banking, stick to stock. But if you love tinkering, hate lag, and want to squeeze every drop of value from a $70 phone, then installing TWRP is the best decision you’ll make.
The J2 Core often struggles with the "Insufficient storage available" error. With TWRP, you can repartition the device (via custom scripts) or flash a lightweight custom ROM like LineageOS 14.1 or 15.1 Go that leaves system partitions leaner, freeing up user space. twrp samsung j2 core
TWRP features useful on J2 Core