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Group How To – Quick Fixes, Expert Advice for iPhone & Android
  • APK Analyzer
  • How To
  • Android
  • iPhone
  • About Us
  • Contact Us

What Is com.android.cts.priv.ctsshim and Why It’s Still Sitting in Your System

October 16, 2025 by A. Lamrani
What is com.android.cts.priv.ctsshim

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 …

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No Location Found on iPhone? Fix It Without Wasting Time

October 14, 2025 by A. Lamrani
How to Fix No Location Found on iPhone

You open Find My expecting to see a location — but all you get is a blank. Just a contact name floating over “No Location Found.” No timestamp. No address. No mini map. Just silence. You switch tabs, try again. …

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BadgeProvider on Android: Why Your Icons Lost Their Badge Counts And How to Bring Them Back

October 14, 2025 by A. Lamrani
Badgeprovider

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 …

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Airplane Mode Speeds Up Charging — But Only If You Know This

October 9, 2025October 9, 2025 by A. Lamrani
Does phone charge faster in airplane mode

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 …

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Can’t Call on Verizon? Fix “Cellular Network Not Available for Voice Calls”

October 7, 2025 by A. Lamrani
How To Fix Cellular Network Not Available for Voice Calls

You tap “Call.” The screen blinks. Then nothing. No ringing, no error tone — just silence and a message: “Cellular network not available for voice calls.” If you’re on Verizon, it’s rarely a tower outage — and it’s not random. …

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What Is com.sec.epdg And How to Fix It When It Keeps Stopping

September 4, 2025 by A. Lamrani
com.sec.epdg has stopped popup

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 …

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SIM Card Not from Verizon Wireless? Here’s What to Do

August 28, 2025 by A. Lamrani
Fix Sim Card Is Not from Verizon Wireless

You swap SIMs and instead of service, you get a wall of text: “SIM card is not from Verizon Wireless.” For some phones, that’s the end of calls, texts, and data. For others, it’s a nag that won’t disappear even …

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com.android.server.telecom: What It Is, and How to Fix It

August 25, 2025 by A. Lamrani
What is com.android.server.telecom

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 …

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How to Fix a Verizon SIM Card That’s Not Working

August 20, 2025 by A. Lamrani
Fix verizon sim card not working

You popped the SIM card in, and nothing happened. No bars. No LTE. No error. Just silence. Maybe it worked yesterday. Maybe it’s brand new. Either way, your phone isn’t on the Verizon network — and you’re not driving to …

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Why Your Phone Says “Mobile Network State Disconnected” And How to Fix It

August 14, 2025 by A. Lamrani
Fix Mobile Network State Disconnected

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 …

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  • What Is com.android.cts.priv.ctsshim and Why It’s Still Sitting in Your System
  • No Location Found on iPhone? Fix It Without Wasting Time
  • BadgeProvider on Android: Why Your Icons Lost Their Badge Counts And How to Bring Them Back
  • Airplane Mode Speeds Up Charging — But Only If You Know This
  • Can’t Call on Verizon? Fix “Cellular Network Not Available for Voice Calls”
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