Phone Overheating? Here’s How to Cool It Down Safely

Smartphones can overheat for various reasons—prolonged gaming, high ambient temperatures, software glitches, or even malfunctioning hardware. While a slight rise in temperature during intensive tasks can be normal, excessive heat can damage your battery, slow performance, or even cause unexpected shutdowns. Below are practical steps to cool down your phone safely and help prevent overheating in the future.

1. Remove It from Heat Sources

Why It Helps

Keeping your phone away from direct sunlight or hot environments is the easiest way to prevent additional heat buildup.

Steps

1. Move to a Cooler Spot:
   • Get away from direct sunlight if you’re outdoors, or turn on the air-conditioning or fan indoors.
2. Take Off the Case (If Possible):
   • Thick or insulated cases can trap heat. Temporarily remove it to improve airflow around the device.

2. Close Unneeded Apps and Processes

Why It Helps

Resource-intensive apps (e.g., games, video editors) and multiple background services raise CPU and GPU usage, generating more heat.

Steps

1. Close Apps:
   • Open your recent apps screen and swipe away unnecessary background apps, especially high-load ones like games or AR apps.
2. Disable Background Services:
   • Turn off Bluetooth, GPS, or mobile hotspot if you’re not actively using them. These processes can run in the background, creating extra heat.
3. Check for Rogue Apps:
   • Sometimes a poorly-coded app can hog resources. If you suspect an app is causing overheating, consider uninstalling or force-stopping it.

3. Let the Phone Rest and Cool Down

Why It Helps

Continual use while overheated may worsen the temperature and risk damaging internal components. Briefly powering it down or at least pausing resource-heavy tasks can help regulate temperature.

Steps

1. Stop All Intensive Tasks:
   • Close games, streaming apps, camera recording, or large file downloads.
2. Give It a Break:
   • Turn off the screen or put the phone into airplane mode for a few minutes.
3. Power Down If Needed:
   • If it’s extremely hot, shut it off completely until it returns to normal temperature.

4. Avoid Extreme Cooling Methods

Why It Helps

Drastic measures like putting a phone in a freezer or in cold water can cause thermal shock or condensation, damaging your device.

Steps

1. No Freezers or Ice:
   • Rapid, extreme temperature changes can crack the phone’s internal components or lead to moisture build-up.
2. Use Gentle Cooling:
   • A fan or slightly cool area is safest—avoid direct contact with liquids or extreme cold surfaces.

5. Update Software and Check Battery Health

Why It Helps

Outdated firmware or buggy apps may cause CPU spikes, while a degrading battery can run hotter under normal conditions.

Steps

1. Update OS & Apps:
   • Go to Settings → System (or Software Update) and ensure your phone’s operating system is up to date.
2. Check Battery Health:
   • On Android, some models have a “Battery Health” option in Settings (or use a third-party app).
   • On iPhone, go to Settings → Battery → Battery Health & Charging to view battery capacity.
3. Scan for Malware:
   • Malware can overwork your CPU/GPU. Use trusted antivirus apps if you suspect an infection.

6. Use Battery Saver or Performance Modes

Why It Helps

Activating lower power or battery-saving modes reduces CPU and GPU speed, limiting heat production.

Steps

1. Battery Saver Mode:
   • Often found in Settings → Battery (Android) or Control Center (iOS Low Power Mode).
2. Performance Profiles:
   • Some phones (e.g., gaming phones) let you choose power/performance profiles. Pick a balanced or battery saver mode for reduced heat.

Final Thoughts

Overheating is a sign that your phone is working harder than it should, or external conditions are too hot. By keeping it away from direct heat sources, closing resource-heavy apps, gently cooling it in a stable environment, and ensuring your software is up to date, you can safely regulate the temperature and protect your device from potential damage.

If your phone frequently overheats despite these precautions, consult a professional or contact the manufacturer for further advice, as hardware issues (like a failing battery or faulty internal components) may be the underlying cause.

How to Use Wi-Fi Calling in South Africa: A Quick Guide

Wi-Fi Calling allows you to make and receive calls using a Wi-Fi connection instead of relying solely on cellular networks. It’s especially useful in areas with weak mobile signals. In South Africa, several major networks (such as MTN, Vodacom, and Telkom) now support Wi-Fi Calling on compatible smartphones. Below is a concise guide on how to set up and use Wi-Fi Calling.

1. Ensure Your Phone and Network Support Wi-Fi Calling

1. Check Device Compatibility:
   • Many recent Android phones (Samsung Galaxy, Huawei, etc.) and iPhones (iPhone 6s and later) support Wi-Fi Calling. Confirm in your phone’s specifications or settings.
2. Confirm with Your Carrier:
   • Visit your operator’s website or contact their support to verify that your device and plan are eligible for Wi-Fi Calling.
   • In South Africa, MTN, Vodacom, Telkom, and Cell C each have lists of supported devices and instructions.

2. Enable Wi-Fi Calling on Your Phone

On Android

1. Open Settings → Connections (or Network & Internet):
   • The exact menu may differ by phone brand.
2. Locate “Wi-Fi Calling”:
   • You might find it under “Mobile Networks” or “Call Settings.”
3. Toggle It On:
   • Enable Wi-Fi Calling. If prompted, accept any terms and conditions.

On iPhone

1. Go to Settings → Cellular (or Mobile Data):
   • Then select your carrier.
2. Tap “Wi-Fi Calling”:
   • Turn on “Wi-Fi Calling on This iPhone.”
3. Follow Any On-Screen Prompts:
   • You might be asked to confirm your address for emergency services.

3. Connect to a Stable Wi-Fi Network

1. Strong Wi-Fi Signal:
   • Wi-Fi Calling quality depends on your internet speed and stability. A broadband connection is ideal.
2. No Captive Portals:
   • Some public Wi-Fi hotspots require logins or have restrictions that may block Wi-Fi Calling. Use a home or office network whenever possible.

4. Dial Normally—Wi-Fi Will Take Over

1. Use the Phone App as Usual:
   • You can dial a number or select a contact the same way you would with cellular calls.
2. Watch for the “Wi-Fi Call” Indicator:
   • Some phones display “Wi-Fi” or a special icon next to the signal bars to confirm you’re on Wi-Fi Calling.

5. Troubleshooting Tips

1. Update Your Phone Software:
   • Ensure you’re running the latest OS version. Sometimes Wi-Fi Calling bugs are fixed in updates.
2. Check APN/Network Settings:
   • Carriers might provide specific APN or network settings to enable Wi-Fi Calling fully. If calls fail, verify your network configuration.
3. Enable Airplane Mode (Optional Test):
   • If you suspect your phone is still using cellular signals, turn on Airplane Mode then enable Wi-Fi. This forces all calls over Wi-Fi.
4. Restart Router or Phone:
   • A simple reboot can resolve minor connection issues.

Final Thoughts

Wi-Fi Calling is a convenient solution for South Africans struggling with spotty cellular coverage at home or in buildings. By ensuring your phone and carrier support the feature, enabling it in settings, and connecting to a robust Wi-Fi network, you can enjoy clearer calls and better coverage. If you run into difficulties, contact your carrier’s support line or check their official website for device-specific setup instructions.

5 Ways to Fix “App Not Installed” Errors on Android

Occasionally, you may encounter an “App Not Installed” error when trying to install an APK or an app from the Google Play Store. This error can occur for various reasons—ranging from insufficient storage space to conflicting app signatures. Below are five practical solutions to help you bypass this issue on Android without rooting your device.

1. Check Storage Space & Clear Cache

Why It Helps

Insufficient storage is a common culprit. Android needs extra space to install or update apps, and if your device is nearly full, the installation may fail.

Steps

1. Free Up Space:
   • Delete unnecessary files, large videos, or old backups.
   • Transfer photos or media to a microSD card or cloud storage.
2. Clear Cache (Optional):
   • Go to Settings → Storage or Device Care (depending on your phone model).
   • Clear the cache for large apps that consume a lot of temporary data.
3. Restart Phone:
   • After freeing space, reboot your device and try installing the app again.

2. Use the Correct APK or Updated App Version

Why It Helps

If you’re sideloading an APK (i.e., installing outside the Play Store), the “App Not Installed” error can occur if the APK is corrupted, incompatible, or signed differently than a previous version on your device.

Steps

1. Download from Reputable Source:
   • Use sites you trust or official developer websites. A corrupted APK often won’t install.
2. Check App Compatibility:
   • Some apps require a certain Android version (e.g., Android 8.0+). Confirm your device meets the requirements.
3. Matching Signatures:
   • If you already have the same app installed from a different source, signatures can conflict. Uninstall the existing version first, then install the new APK.

3. Turn On “Install Unknown Apps” Permissions

Why It Helps

For security, newer Android versions require explicit permission to install apps from outside the Play Store. If permission is not enabled, you may see an “App Not Installed” or “Installation Blocked” error.

Steps

1. Settings → Apps & Notifications → Special App Access (or Security):
   • This path might differ by device, but you’re looking for something like “Install unknown apps” or “Unknown sources.”
2. Enable Permission for the File Manager or Browser:
   • Tap the app (e.g., Chrome, Files by Google) used to open the APK, and enable “Allow from this source.”
3. Retry Installation:
   • Locate the APK file again and tap to install.

4. Clear Google Play Services & Package Installer Data

Why It Helps

Sometimes, leftover or outdated temporary files in the Package Installer or Google Play Services cause installation issues. Clearing that data can resolve conflicts.

Steps

1. Open Settings → Apps or Application Manager:
   • Tap the three-dot menu to show “System apps” if needed.
2. Find “Package Installer” or “Package Manager” (name may vary):
   • Tap Storage → Clear Data → Clear Cache.
3. Do the Same for “Google Play Services” (and “Google Play Store” if needed):
   • Clearing data resets some preferences, so you may need to re-log in or re-accept permissions.
4. Restart Phone:
   • Try installing the app again after the reboot.

5. Uninstall or Disable Conflicting Apps

Why It Helps

If you’re trying to install an updated app with the same package name or an app with conflicting signatures, the new installation may fail.

Steps

1. Identify Conflicting Apps:
   • For instance, if you installed a modded version of an app, it can conflict with an official update.
2. Uninstall the Old or Conflicting Version:
   • Go to Settings → Apps, locate the conflicting app, and uninstall it.
3. Try Installation Again:
   • Then proceed with installing the new app version. The “App Not Installed” error should be resolved.

Final Thoughts

The “App Not Installed” error on Android can stem from anything from simple storage issues to signature mismatches or leftover cache data. By following these steps—checking storage, verifying APK sources, clearing cache, adjusting “unknown sources” permissions, and removing conflicting apps—you can usually solve the problem quickly and get your new app running smoothly on your device.

Remember to stick to trusted sources when sideloading apps, as questionable APKs can pose security risks. If all else fails, you might consider updating your Android version (if possible) or contacting the app’s developer for additional support.

How to Check Airtime Balance on Glo – All USSD Codes

Glo Nigeria provides several quick USSD codes to help you check your main airtime balance, bonus balances, data usage, and more. Below is an easy reference for the most commonly used Glo balance-checking codes. These codes can vary over time or by region, so if one doesn’t work, try the alternatives.

1. Check Main Airtime Balance

• Dial: *124*1#
• Response:
  You’ll see an on-screen message or SMS showing your current airtime balance.

Alternate Code: *124# also works for some subscribers, displaying your main account balance.

2. Check Bonus Airtime Balance

• Dial: *124*2#
• Response:
  This displays any bonus airtime or promotional credit you may have, separate from your main airtime balance.

3. Check Data Balance

Although not strictly for airtime, many users also want to track data usage:

• Dial: *127*0#
  or
• Dial: *777# → Select “Data Services” → “Data Balance”

Either code or menu path should return your data balance, including any bonus data if applicable.

4. Additional Tips

1. Use Glo Self-Care:
   Visit Glo Self-Care or the Glo Café app to view all balances (airtime, data, bonus, and more) in one place.
2. Keep Codes Handy:
   Save these USSD codes as contacts or quick notes so you can check your balances anytime without memorizing.
3. Stay Updated:
   Glo might change USSD codes or introduce new ones. Keep an eye on official Glo communications (SMS updates, social media) for the latest information.

Final Thoughts

Checking your Glo airtime balance is as simple as dialing a short USSD code. The primary codes are *124*1# for main airtime and *124*2# for bonus balances. If you also need to track data usage, try *127*0# or the menu under *777#. By using these codes, you’ll stay informed about your account status and avoid running out of airtime or data unexpectedly.

How to Disable Bloatware on Android Without Root

Bloatware refers to pre-installed apps on your Android device that you don’t need or want, yet they take up storage and sometimes run in the background. While uninstalling these apps typically requires root access, you can often disable or remove them from your user account without rooting. Below are some safe methods to minimize bloatware’s impact, all without needing root privileges.

Method 1: Disable Apps in Settings

Why It Helps

• Straightforward: No special tools are required.
• Minimal Risk: The phone’s default “Disable” option prevents the app from running or appearing, but it’s still installed in the system partition.

Steps

1. Open Settings → Apps & Notifications (or Apps):
   • The exact name may differ depending on your phone’s manufacturer or Android version.
2. Select the App to Disable:
   • Scroll through the app list. Tap on the bloatware app you want to remove from sight.
3. Tap “Disable”:
   • If the “Uninstall” button is grayed out, but “Disable” is available, choose “Disable.”
   • You’ll see a warning that disabling the app may affect other apps; accept it if you’re sure.
4. Confirm and Restart (If Needed):
   • The app icon should disappear from your home screen or app drawer.

Note: Some system apps won’t offer a “Disable” button. In such cases, you may have to use ADB or a third-party solution.

Method 2: Use ADB Commands (No Root Required)

Why It Helps

• More Control: ADB (Android Debug Bridge) allows you to “uninstall” system apps for the current user or disable them more effectively than the Settings menu.
• Reversible: You can re-enable these apps or reinstall them if needed.

Prerequisites

• A computer (Windows, macOS, or Linux).
• Your Android phone’s USB Debugging enabled (found in Developer Options).
• ADB installed on your computer.
  • Windows users can install the official Platform-Tools from the Android website.
  • macOS/Linux can do the same or use a package manager.

Steps

1. Enable Developer Options & USB Debugging on Your Phone:
   • Settings → About Phone → Tap “Build number” seven times to enable Developer Options.
   • Settings → System → Developer Options → Turn on USB Debugging.
2. Connect Your Phone to the Computer via USB Cable.
3. Open Command Prompt or Terminal on Your Computer:
   • Navigate to the folder where adb is installed (e.g., platform-tools folder).
4. Check Device Connection:

   adb devices
   

   • A prompt may appear on your phone asking to trust the computer. Accept it.
   • The command line should list your device as “device” or “authorized.”
5. Get the Package Name of the Bloatware App:
   • In terminal, type:

     adb shell pm list packages
     

     This lists all packages installed. Use | grep <keyword> on Linux/macOS or findstr on Windows to filter results. Alternatively, find package names online or with specialized “App Inspector” apps installed on your phone.

6. Disable or Uninstall for Current User:
   • Disable (reversible):

     adb shell pm disable-user --user 0 <package.name>
     

   • Uninstall for Current User (also effectively hides the app):

     adb shell pm uninstall --user 0 <package.name>
     

     This doesn’t remove the app from the system partition; it just removes it for your user account.

7. Verify the App is Disabled or Uninstalled:
   • The icon should be gone from your launcher. If you used “disable-user,” you can re-enable the app with:

     adb shell pm enable --user 0 <package.name>
     

Caution: Only uninstall or disable apps you’re certain aren’t critical to system functions. Removing essential system services may cause device instability.

Method 3: Use Third-Party “Debloat” Tools (ADB-Based)

Why It Helps

• Simplified Interface: Tools like Universal Android Debloater or ADB AppControl provide a GUI so you don’t have to type commands.
• Recommendations & Safe Lists: Some come with lists of recommended apps to remove or keep, minimizing the risk of disabling essential components.

Steps

1. Download a Debloat Tool:
   • For example, “Universal Android Debloater” (UAD) is popular on GitHub.
2. Connect Phone & Enable USB Debugging:
   • Similar to the ADB method above.
3. Run the Debloat Tool:
   • The app will scan your phone and list potentially removable packages.
4. Check or Uncheck Packages to Remove:
   • Each listing might show warnings or references.
   • Apply changes and the tool executes commands in the background.

Tip: Always back up essential data or record which packages you remove, in case you need to re-enable them.

General Tips & Precautions

1. Create a Backup:
   • Although most methods are safe, always keep important data backed up in case you need a factory reset due to accidental removal of vital apps.
2. Be Selective:
   • Some system apps appear bloaty but are integral (e.g., a system webview service). If in doubt, do a quick web search about the package name.
3. Check for Updates:
   • After disabling apps, occasionally check for Android OS or security updates, which might require some system components to be active.

Final Thoughts

Removing or disabling bloatware on Android without root is entirely possible via the Settings app or ADB commands. These methods help you reclaim storage space, reduce background processes, and streamline your phone’s interface. Just proceed carefully—know which apps are safe to disable or uninstall, and keep backups. By following these steps, you can enjoy a leaner Android experience without the need for root privileges.