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.

How to Transfer Data from Android to iPhone Easily

Switching from an Android phone to an iPhone doesn’t have to be complicated. Whether you’re moving contacts, photos, messages, or apps, there are several straightforward methods to ensure a seamless transfer. Below are the most effective approaches to help you make the transition smoothly.

1. Use Apple’s “Move to iOS” App

Why It’s Recommended

• Official Method: Apple’s own solution simplifies transferring data like contacts, messages, photos, videos, bookmarks, and email accounts.
• Wireless Transfer: No need for cables, as long as both devices connect to the same Wi-Fi network.

Steps

1. Set Up Your iPhone:
   • Turn on your new or factory-reset iPhone. In the setup process, when you reach the “Apps & Data” screen, select “Move Data from Android”.
2. Install “Move to iOS” on Android:
   • On your Android device, go to Google Play Store, download “Move to iOS”, and open it.
3. Connect & Enter Code:
   • Your iPhone will display a 10- or 6-digit code.
   • On your Android, input the code when prompted.
4. Select Data to Transfer:
   • Choose items like contacts, messages, photos, or accounts to move.
5. Complete Transfer:
   • Wait until the loading bar on your iPhone finishes. The time will vary based on your data size.
6. Finalize Setup on iPhone:
   • Continue the iPhone setup, sign in with your Apple ID, and check that your transferred content appears correctly.

2. Sync Contacts & Files via Google Account

Why It’s Simple

• Minimal Apps Needed: Relies on your existing Google account that’s already linked to your Android phone.
• Flexible: Works even if you’re not setting up the iPhone from scratch.

Steps

1. Sync on Android:
   • Contacts: Go to Settings → Accounts → Google → select your Google account → enable “Sync Contacts.”
   • Calendar/Docs: Similarly, enable sync for your calendar, Drive, notes, etc.
2. On Your iPhone:
   • Go to Settings → Mail (or Contacts), then add your Google account.
   • Toggle on the sync options (Contacts, Calendars, etc.) you want to transfer.
   • Data should appear on your iPhone shortly.
3. Google Drive for Files:
   • If you have large media files, upload them to Google Drive or Google Photos on Android.
   • Install these apps on iPhone to access or download your files.

3. Cloud Storage (e.g., Dropbox, OneDrive)

Why It Helps

• Platform-Agnostic: Any phone (Android or iPhone) can access stored files via a cloud app.
• Large File Transfers: Great for photos, videos, and documents that exceed email or chat app limits.

Steps

1. On Android:
   • Install Dropbox or OneDrive (or another cloud service of your choice).
   • Upload the files you want to transfer.
2. On iPhone:
   • Install the same app (Dropbox, OneDrive, etc.).
   • Sign in to the same account and download or view the uploaded files.

4. Transfer with a Computer (USB)

Why It May Be Needed

• Offline Transfer: No Wi-Fi or internet required. Good for large files or if cloud storage isn’t viable.
• More Control: Choose exactly which folders to move.

Steps

1. Connect Android to Computer:
   • Use a USB cable, select “File Transfer” mode if prompted.
   • Copy folders (e.g., DCIM for photos/videos) to a folder on your computer.
2. Connect iPhone via iTunes or Finder (macOS):
   • For Windows or older macOS versions, use iTunes; for macOS Catalina or newer, use Finder.
   • Import your media into your iTunes Library or Finder.
   • Sync it to your iPhone.
3. For Documents:
   • Drag and drop files into iCloud Drive or relevant app folders in iTunes or Finder for your iPhone.

5. Third-Party Transfer Software

Why It’s Useful

• All-in-One Tools: Some apps directly manage moving multiple file types, including messages, call logs, and media.
• User-Friendly: Typically have clear step-by-step interfaces.

Popular Tools

• MobileTrans (Wondershare): Known for phone-to-phone transfer features.
• Syncios: Offers data extraction from Android and easy import to iPhone.
• dr.fone – Phone Transfer: Allows data transfer across various OSes with minimal steps.

Tips for a Successful Transfer

1. Stable Internet or USB Connection:
   • Ensure your Wi-Fi or USB connection doesn’t drop during the process.
2. Charge Both Phones:
   • Keep devices at least 50% battery to avoid shut-down mid-transfer.
3. Ample Storage:
   • Verify your iPhone has enough space for incoming data, especially large media files.
4. Check Compatibility:
   • Some apps might only support transferring certain file types or OS versions.

Final Thoughts

Transferring data from an Android to an iPhone can be straightforward if you use Apple’s official Move to iOS app during initial setup or rely on cloud services and USB transfers for a more manual approach. Whichever method you choose, it’s always wise to back up your essential files first—ensuring no data is lost during the migration process.

Ready to make the switch? Gather your data, pick a transfer method that suits you, and enjoy a smooth, hassle-free transition to your new iPhone!

How to Extend Your Android Phone Storage Without Root

Running out of storage on your Android phone can be frustrating. While rooting enables deeper storage modifications, there are still plenty of ways to reclaim and expand space without rooting. Below are practical strategies—from using external storage to leveraging cloud services—that can help you free up and extend your device’s capacity.

1. Use a microSD Card (If Supported)

Why It Helps

Many Android devices come with a microSD slot, allowing you to store photos, videos, music, and sometimes app data on an external memory card. This can significantly offload content from your phone’s internal storage.

Steps

1. Check Device Compatibility:
   • Ensure your phone supports a microSD card. Some modern devices (especially flagships) have removed this option.
2. Insert and Format:
   • Power off your phone, insert the card into the microSD slot, and turn it back on.
   • Go to Settings → Storage → select your microSD card and format if prompted.
3. Move Files to SD Card:
   • Use the built-in File Manager or Google’s Files app to transfer media files from internal storage to the microSD card.
4. Set Default Storage (If Supported):
   • In some devices, you can set the microSD card as the default location for camera photos or downloaded media.
   • Check Settings → Camera → Storage Location to store new photos directly to the SD card.

2. Adoptable Storage (Select Android Versions)

Why It Helps

Adoptable Storage merges your SD card with the internal storage, treating both as one unified space. This can be useful on phones that allow it, though it’s not supported by all devices or manufacturers.

Steps

1. Compatibility Check:
   • Go to Settings → Storage. If you see an option to “Format as Internal,” adoptable storage is supported.
2. Format as Internal Storage:
   • If available, choose “Format as Internal” (be aware this erases all data on the SD card).
   • Complete the process by migrating existing data.
3. Caution:
   • Adoptable Storage ties the card to your phone, meaning you can’t easily remove or use it in another device without reformatting.

3. Clear Unnecessary Files and Cache

Why It Helps

Over time, apps accumulate cache files and old data that consume precious space. Regularly clearing them can free up gigabytes of storage.

Steps

1. Check Storage Usage:
   • Go to Settings → Storage → Internal Shared Storage to see which apps take up the most space.
2. Clear App Caches Manually:
   • Settings → Apps → choose an app → Storage → tap Clear Cache.
3. Use a File Manager or Cleaner App:
   • Tools like Files by Google or CCleaner can safely remove junk files, duplicates, and large unused items.

4. Leverage Cloud Services

Why It Helps

Offloading media and documents to cloud services frees up space on your phone. This way, you only download content when needed.

Recommended Services

1. Google Photos:
   • Backup photos and videos for free (with some quality limitations) or with Google One subscription for full resolution.
2. Google Drive/Dropbox/OneDrive:
   • Upload files to access them online and remove them from local storage if not frequently needed.
3. Streaming Services:
   • Instead of storing large music or video files, rely on Spotify, Netflix, or YouTube Music for streaming content.

5. Move or Uninstall Unused Apps

Why It Helps

Unnecessary or rarely used apps can take up valuable space. Removing them or moving them to an SD card (if your Android version allows it) frees internal storage.

Steps

1. Identify Large Apps:
   • Settings → Apps → Sort apps by size.
2. Uninstall or Disable Apps:
   • Remove unwanted apps or disable pre-installed bloatware you can’t uninstall (this at least stops updates and caches).
3. Move Apps to SD Card (If Allowed):
   • Settings → Apps → select app → Storage → Change Storage Location (only for apps supporting external storage).

6. Use an OTG Flash Drive

Why It Helps

An OTG (On-The-Go) flash drive lets you plug a USB drive directly into your phone’s USB-C or micro-USB port to offload large files. This is especially handy for phones without SD card slots.

Steps

1. Get an OTG-Enabled Flash Drive:
   • Look for drives that include both USB-A and USB-C (or micro-USB) connectors.
2. Connect to Your Phone:
   • Plug it into your phone’s charging port. If needed, enable “File Transfer” mode or “OTG.”
3. Transfer Files:
   • Use a File Manager to copy files between phone storage and the flash drive.

7. Optimize Media Storage Settings

Why It Helps

Large, high-resolution photos, 4K videos, and auto-download settings in messaging apps can quickly consume space. Adjusting these settings helps you manage how data is stored.

Recommendations

1. Lower Camera Resolution (Optional):
   • If you don’t need ultra-high-res photos or 4K videos, switch to a lower resolution to reduce file size.
2. Manage Messaging App Downloads:
   • Apps like WhatsApp automatically download photos and videos. Disable or limit auto-download in WhatsApp Settings → Storage and Data to save space.
3. Auto-Backups:
   • Ensure media automatically backs up to Google Photos or another service and then delete local copies if not needed offline.

Final Thoughts

You can significantly expand and manage your Android phone’s storage without root access. Whether through hardware solutions like microSD cards and OTG drives or software approaches like cloud storage and thorough file management, these steps help keep your device running smoothly and prevent dreaded “insufficient space” messages.

Ready to clear up space? Pick the methods that fit your device and usage patterns—enjoy a clutter-free phone with plenty of room for apps, photos, and the content you love.