: Turn on Google AWB to get more accurate colors, especially in tricky lighting.

Tech Enthusiast Lab Reading Time: 8 Minutes

: This is GCam's "magic" feature. It takes multiple frames and combines them to improve dynamic range and reduce noise.

This is the killer feature. The Samsung J4’s night mode (if it has one) is essentially a longer exposure. GCam’s uses AI to align multiple long-exposure frames. Handheld night shots on the J4 become usable—bright, detailed, and surprisingly noise-free.

Now that you've installed GCam on your Samsung J4, here are some tips and tricks to help you get the most out of this powerful camera app:

The Samsung J4 uses an processor, which makes it harder to find a perfectly stable GCam port compared to Snapdragon devices. For the J4, the most reliable versions are usually older, more stable ports: