I found dead zones in my Wi-Fi using a Samsung Galaxy feature nobody knows about

XDA developers | Aug. 12, 2026, 5 p.m. | Original
If you're having Wi-Fi problems, Samsung phones have a surprisingly capable built-in tool to help you diagnose and fix issues.
I ditched 2TB SSD upgrade plan for a 1TB microSD card, and the speed difference matters way less than I expected Deleting this hidden Samsung system app freed up 3GB of space on my phone