This category breaks down Android the way it actually runs — not the way support pages pretend it does. From system apps and preloaded services to invisible permissions, sync failures, and cloud-side behavior, we show what’s really happening on your phone and how to fix or control it without risk.
Every guide is based on tested behavior across devices — backed when needed by static analysis from our own APK tools.
You finish setting up a phone and notice a gray briefcase called Work Profile. Inside it sits an unfamiliar app — Test DPC. No permissions prompt, no reason it should appear on a personal device. At first, it feels misplaced, …
You don’t see it like a normal app. But without it, you can’t answer a single call. com.samsung.android.incallui is the invisible interface powering your entire Samsung call experience. When a call comes in, this system app instantly renders the full …
You open your system-app list and notice a name you never installed: com.facebook.appmanager. No icon. No shortcut. No launch button — just a background service signed by Meta Platforms, Inc. It feels suspicious, but it isn’t spyware. It’s a legitimate …
On many Android phones, Facebook doesn’t behave like an ordinary app. It runs when you haven’t launched it, stays active after resets, and appears in logs under a name you didn’t search for: com.facebook.katana. That package isn’t suspicious. It’s the …
You didn’t install it. You can’t open it. But it’s in your phone — right there in /system/priv-app/, with a name that looks more like malware than anything that should be part of a trusted Android build: com.android.cts.priv.ctsshim. It doesn’t …
Your phone buzzes. You hear the notification. But your app icon stays clean — no red number, no dot, no signal that anything’s waiting. On Samsung phones, that usually points to one thing — BadgeProvider being broken, missing, or turned …
You’re stuck at 12%. You’ve got ten minutes and a slow charger. Someone says: “Just flip on Airplane Mode — it charges faster.” You try it. The battery ticks up, maybe a bit quicker. Maybe not. You wonder if it …
You’re not sideloading anything. You’re not in Developer Mode. You didn’t flash ROMs, tweak APNs, or mess with IMS settings. And then — without warning — your Samsung throws this: “com.sec.epdg has stopped.” You swipe it away. It reappears. Then …
You’re in a call. The screen goes dark. No dial tone, no UI, no disconnect message. You check signal — full bars. Data works. But the call just never starts. And when you dig into the system app list, the …
You try to load a page, but nothing works — no bars, no signal, just the phrase: Mobile Network State: Disconnected. It’s buried in your SIM settings or modem test screen, and it feels like you’ve lost access to your …
