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Tech Tutorials - App Reviews & Android Fixes | Fintech Shield Blog
Welcome to the Fintech Shield Blog. A dedicated space for practical tech tutorials, unbiased app insights, Android and Windows fixes, and smart digital guidance. Whether you’re a curious learner or an experienced tech user, you’ll find clear, useful content designed to solve real-world problems and keep you informed in a fast-moving digital landscape.
Editor's Picks: Handpicked Guides Worth Reading
A curated selection of guides chosen for their usefulness, clarity, and real-world tech value.
Best Android Cleaner Apps That Actually Work (2026 Tested List)
Most Android cleaner apps promise miracles but deliver ads. In 2026, we tested dozens and found five that actually improve speed, clean junk, and free up space. From Files by Google to SD Maid, here’s what works and what doesn’t.
4 days ago3 min read
Top 10 Magisk Modules for Rooted Android Phones (2026 Edition)
Unlock the full potential of your rooted Android device with these 10 mind-blowing Magisk modules in 2026. From boosting audio quality to fine-tuning battery performance and UI customization, this handpicked list reveals the hidden power tools every Android enthusiast needs. Whether you're a power user or just getting started with Magisk, these modules will take your Android experience to the next level.
Jan 23 min read
Best Android Themes That Completely Transform Your Phone
Looking to revamp your phone's look in 2025? Whether you're using a launcher or just your device’s built-in theme store, these Android themes will completely transform your UI — no root required.
Jun 26, 20254 min read
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How to Format an SD Card to FAT32 on Windows, Mac and Android
Need to format your SD card for cameras, phones, or Raspberry Pi? This simple guide shows you how to format SD cards to FAT32 on any device.
Kalyan Bhattacharjee
Jul 14, 20253 min read
What Is sysdm.cpl? Use It to Tweak System Properties Like a Pro
Want to unlock advanced system settings in Windows with just one command? Enter sysdm.cpl — your gateway to powerful tools like virtual memory tweaks, system restore, performance settings, and more. In this guide, we’ll show you how to use it like a pro and safely customize your PC for better performance and control.
Kalyan Bhattacharjee
Jul 11, 20253 min read
How to Recover Lost Photos from Memory Cards?
Lost precious memories due to accidental deletion or a corrupted memory card? Don’t panic — recovering your lost photos is often possible with the right tools and techniques. In this blog, we’ll guide you step-by-step on how to retrieve deleted or lost images from SD cards or microSD cards using photo recovery software. Whether you’re using a DSLR, Android phone, or GoPro, this guide will help you recover what matters most.
Kalyan Bhattacharjee
Jul 9, 20254 min read
gpedit.msc for Beginners: 5 Powerful Tweaks to Try in Windows 2025
Group Policy Editor isn’t just for IT pros. This guide simplifies gpedit.msc and shares 5 easy tweaks to improve your Windows PC experience in 2025.
Kalyan Bhattacharjee
Jun 24, 20253 min read
How to Reset Network Settings in Windows | CMD & GUI Steps
Resetting your network settings can fix most internet problems on Windows. This step-by-step guide shows how to do it using CMD and the built-in GUI, making your connection smooth again in 2025.
Kalyan Bhattacharjee
Jun 23, 20252 min read
Windows Defender Security Center: Virus Protection, Firewall & More
Windows Defender Security Center, now known as Windows Security, is Microsoft’s all-in-one solution for malware protection, firewall control, and device performance. This blog walks you through its features, real-time protection tools, and why it’s enough for most users in 2025.
Kalyan Bhattacharjee
Jun 20, 20254 min read
How to Dual Boot Windows 11 and Linux Safely (Without Losing Data)
Want to explore Linux without giving up Windows 11? This step-by-step guide walks you through dual booting both OSes safely—no data loss, no headaches.
Kalyan Bhattacharjee
Jun 17, 20253 min read
How to Use AirDroid & Snapdrop for Effortless WiFi File Transfers
Transferring files between your smartphone and PC is easier than ever in 2025. This guide shows how to use AirDroid and Snapdrop for seamless, cable-free file sharing over Wi-Fi—no installation needed for Snapdrop!
Kalyan Bhattacharjee
Jun 12, 20252 min read
Windows 11 vs Windows 10 in 2025: Which One Is Better?
Struggling to choose between Windows 10 and 11 in 2025? This updated comparison breaks down performance, design, and security to help you decide what's best for your device.
Kalyan Bhattacharjee
Jun 10, 20253 min read
10 Must-Have Free Windows Apps in 2025 (That Pros Actually Use)
Looking to upgrade your Windows setup without breaking the bank? Here are 10 free apps trusted by professionals in 2025 — from productivity boosters to security essentials.
Kalyan Bhattacharjee
May 28, 20253 min read
Windows 12 Leaks: UI Redesign, AI Features & Expected Release Date
Windows 12 leaks are here, and they’re lighting up the internet! From a sleeker UI and AI-powered features to performance enhancements and an expected 2024 release—this post unpacks everything we know (and speculate) about Microsoft’s next big OS update.
Kalyan Bhattacharjee
May 25, 20253 min read
How to Fix High CPU or Disk Usage in Windows
High CPU or disk usage can slow down your Windows system and impact productivity. This guide explores the reasons behind it and offers effective fixes for better performance.
Kalyan Bhattacharjee
May 12, 20254 min read
Windows | Application Was Unable to Start Correctly (0xc000007b) Error
Facing the frustrating “Application was unable to start correctly (0xc000007b)” error on Windows? You're not alone. This common issue often stems from corrupted system files, missing DLLs, or mismatched app versions. In this guide, we break down the exact reasons behind the error and provide simple, step-by-step solutions to fix it for good—no tech expertise required.
Kalyan Bhattacharjee
May 8, 20253 min read
Why Does My PC Keep Restarting Randomly? [Solved]
Is your PC restarting on its own without warning? Don't panic. This guide breaks down the top reasons—like overheating, faulty hardware, or driver issues—and offers practical solutions to fix random restarts once and for all.
Kalyan Bhattacharjee
May 5, 20254 min read
Windows Update Stuck? Simple Fixes That Actually Work
Frustrated with a stuck Windows update? Here's a simple, step-by-step guide to fixing the problem and getting your computer back on track - without the stress.
Kalyan Bhattacharjee
Apr 29, 20253 min read
What is Blue Screen of Death (BSOD) and How to Fix It on Windows
Ever seen your Windows screen go blue and freeze with a scary error? That’s the Blue Screen of Death (BSOD). In this guide, we break down what it is, what causes it, and how you can fix it without freaking out.
Kalyan Bhattacharjee
Apr 24, 20254 min read
Fix DLL Errors in Windows: Easy Step-by-Step Guide (2026)
Learn quick and easy ways to fix missing or corrupted DLL files in Windows and get your PC running smoothly again.
Kalyan Bhattacharjee
Apr 23, 20253 min read
Windows Registry: The Core System That Powers Every Windows PC
Dive into the Windows Registry - the backbone of your PC that controls settings, apps, and user configurations.
Kalyan Bhattacharjee
Apr 20, 20253 min read
services.msc: Manage & Optimize Windows Services like Pro
services.msc is a powerful Windows tool to manage background services. Learn how to use it for system optimization and troubleshooting.
Kalyan Bhattacharjee
Apr 13, 20253 min read
ncpa.cpl Command: What It Is and How to Use It
Learn what the ncpa.cpl command is, how to use it in Windows, and quickly manage your network connections with this simple shortcut!
Kalyan Bhattacharjee
Apr 7, 20252 min read
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