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Tech Tutorials | App Reviews & Android Fixes | Fintech Shield Blog
Welcome to the Fintech Shield Blog | Your go-to hub for insightful Tech Tutorials, Unbiased App Reviews, Android Solutions, Windows Solutions and Digital innovation tips. Whether you're a curious user or a seasoned tech pro, we’ve got something valuable for you. Stay ahead in the digital era with our expert-driven guides and updates.
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How to Troubleshoot Google Chrome Extensions
Is your Chrome acting weird? Extensions might be the culprit. Learn how to identify, disable, and fix problematic Chrome extensions with these simple steps.
Kalyan Bhattacharjee
Jun 63 min read


ChatGPT Prompt Hacks: 10 Crazy Things You Didn’t Know It Could Do
Unleash ChatGPT 2025 like never before! From creating memes to simulating celebrities, explore 10 wild prompt hacks that show what GPT-4o can really do.
Kalyan Bhattacharjee
Jun 64 min read


What Is Android GSI ROM? A Simple Guide for Everyone
Confused by the term GSI ROM? Here’s a non-techy breakdown of what Android GSI ROM is, why it exists, and how it lets you test new Android versions early.
Kalyan Bhattacharjee
Jun 53 min read


Best 5 Free PDF Editors for Android (2025 Edition)
Explore the top 5 free PDF editors for Android in 2025. From annotations to signatures and conversions, these apps help you edit PDFs effortlessly on mobile.
Kalyan Bhattacharjee
Jun 43 min read


What is VFX? Complete Guide to Visual Effects in Movies & Media
Explore the fascinating world of VFX how visual effects bring fantasy to life in films and media. From CGI to motion capture, discover how it all works.
Kalyan Bhattacharjee
Jun 44 min read


VN vs CapCut in 2025: Which Free Editor Is Best for Reels, & Shorts?
Struggling to choose between VN and CapCut in 2025? This detailed comparison breaks down features, export quality, AI tools, and editing performance to help content creators pick the right free video editor for Instagram Reels, YouTube and Shorts.
Kalyan Bhattacharjee
Jun 34 min read


VSDC vs Filmora for PC: Which Video Editor Should You Choose?
Trying to decide between VSDC and Filmora in 2025? This in-depth comparison helps you pick the best video editor for your PC based on features, budget, and performance.
Kalyan Bhattacharjee
Jun 23 min read


Top 5 Free PDF Editors in 2025 | No Watermark or Signup Needed
We get it - finding a truly free PDF editor that doesn’t ruin your document with watermarks is a challenge. Whether you’re tweaking a resume, editing contracts, or filling out forms, clean and professional output is a must. In this 2025-tested roundup, we’ve handpicked the top 5 free PDF editors that offer powerful features without branding your files. Tools like PDFgear, Sejda, and iLovePDF strike the perfect balance between ease of use and functionality - no watermarks, no
Kalyan Bhattacharjee
Jun 23 min read


Best Android Cleaner Apps That Actually Work (2025 Tested List)
Most Android cleaner apps promise miracles but deliver ads. In 2025, 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.
Kalyan Bhattacharjee
Jun 13 min read


How to Safely Install a Custom ROM on Android (2025 Guide)
Thinking about giving your Android a fresh new look or improved performance? This guide walks you through how to safely install a custom ROM in 2025—covering everything from backups to flashing without bricking your phone.
Kalyan Bhattacharjee
Jun 14 min read


Magisk vs SuperSU: Best Root Method for Android Explained
Wondering which root method is right for your Android device in 2025? Dive into this guide comparing Magisk and SuperSU - covering features, pros and cons, and which one suits your needs best.
Kalyan Bhattacharjee
May 312 min read


Steam Not Opening or Crashing? Here’s How to Fix It Fast
Steam won’t launch or keeps crashing? Don’t worry - this guide walks you through all the fastest, most reliable fixes in 2025 to get your gaming back on track.
Kalyan Bhattacharjee
May 303 min read


Best VPN Apps for Android in 2025 (Free & Paid Options)
Struggling to find a reliable VPN for your Android phone in 2025? Here’s your complete guide to the best free and paid VPN apps tested for speed, security, and value.
Kalyan Bhattacharjee
May 303 min read


Brain-Computer Interfaces: The Rise of Thought-Controlled Tech
What if you could type, control devices, or play games using just your mind? Brain-Computer Interfaces are making that a reality in 2025. From Neuralink’s implants to OpenBCI’s wearables, discover how thought-controlled tech is reshaping the future.
Kalyan Bhattacharjee
May 293 min read


Tesla's Disruptive Path: A Timeline of Innovation and Controversy
Tesla’s story is a rollercoaster of radical innovation and intense controversy. From the original Roadster to Full Self-Driving and humanoid robots, discover how Tesla changed the game and stirred debate - every step of the way.
Kalyan Bhattacharjee
May 295 min read


iOS 19 vs Android 15: The Real Winner Might Surprise You
In the battle between iOS 19 and Android 15, both operating systems deliver futuristic features and smarter tools. But the real winner isn’t just about specs—it’s the one that fits your lifestyle best.
Kalyan Bhattacharjee
May 282 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 283 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 253 min read


Top Lightweight ROMs for Old Android Phones (2025)
Got an old Android phone collecting dust? Don’t toss it yet. With the right lightweight custom ROM, you can breathe new life into it—boosting performance, battery, and usability. Here are the best ROMs that make your aging device feel brand new.
Kalyan Bhattacharjee
May 243 min read


UPI Without Internet? Here’s How It Actually Works
Think you need the internet to send money through UPI? Think again. With India’s *99# service, UPI works even without mobile data or Wi-Fi. Here’s how this offline payment method works, and how you can start using it today - even on a basic phone.
Kalyan Bhattacharjee
May 234 min read


How to Tell If Your Phone Is Being Tracked (And Stop It)
Is someone secretly tracking your phone? Learn how to spot the signs - like sudden battery drain or weird app activity—and take back control with simple, effective steps to protect your privacy and stop unwanted tracking.
Kalyan Bhattacharjee
May 234 min read


5 Free Android Tools That Outperform Paid Apps (2025 Edition)
Think paid apps are always better? Think again. From automation to photo editing, discover 5 free Android tools that outperform many premium apps — without costing you a rupee. Power, privacy, and productivity at zero cost.
Kalyan Bhattacharjee
May 233 min read


Google Knows Everything About You? Here’s How to Delete Your Data
Every search, map route, or voice command feeds into Google’s massive data vault about you. While it helps tailor your experience, it also poses privacy risks. In this blog, we’ll uncover what Google knows, how to see it, and—most importantly—how to delete it to reclaim your digital freedom.
Kalyan Bhattacharjee
May 223 min read


Augmented Reality in Accounting | Future Applications & Benefits
Augmented Reality (AR) is redefining the accounting world by bringing interactive 3D data visualization, immersive client presentations, and real-time team collaboration to the forefront. While still emerging, AR’s integration in accounting promises a more intuitive, efficient, and innovative approach to managing financial data.
Kalyan Bhattacharjee
May 203 min read
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