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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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Zorin OS vs Linux Mint (2026): Which Linux Distro Is Better?
Zorin OS and Linux Mint are two of the most beginner-friendly Linux distros, but they offer very different experiences. This guide compares their performance, design, stability, customization, gaming support, and ease of use to help you choose the right Linux distribution in 2026.
Kalyan Bhattacharjee
5 days ago4 min read
Ubuntu vs Fedora vs Arch: Which Linux Distro is Right for You in 2026?
Confused about which Linux distro to pick in 2026? You're not alone. With so many choices out there, deciding between Ubuntu, Fedora, and Arch Linux can feel overwhelming. This guide simplifies the process with a clear comparison chart and practical use-case scenarios, whether you're a beginner, developer, or power user. Let’s find out which distro truly fits your needs.
Kalyan Bhattacharjee
Jan 44 min read
Peppermint OS: A Lightweight Linux Distribution Built for Speed and Simplicity
Peppermint OS is a lightweight Linux distribution designed for speed, simplicity, and low system resources. This guide explores what Peppermint OS is, its key features, system requirements, and why it’s a great choice for older PCs and distraction-free daily use.
Kalyan Bhattacharjee
Dec 27, 20254 min read
Zorin OS: A Beginner-Friendly Linux Distro That Feels Familiar (2026 Guide)
Zorin OS is a polished, beginner-friendly Linux distribution built for users switching from Windows or macOS. This guide explores its features, performance, editions, gaming support, and overall usability to help you decide if Zorin OS is right for you.
Kalyan Bhattacharjee
Dec 15, 20254 min read
Aluminium OS: Google’s New Android-Based Operating System for PCs (2026)
Google is developing Aluminium OS, a powerful new operating system that brings Android to laptops, desktops, and hybrid PCs. Built with AI at its core, Aluminium OS could reshape the future of desktop computing. Here’s everything we know so far - features, purpose, timeline, and what it means for users.
Kalyan Bhattacharjee
Dec 4, 20255 min read
Best Free Linux Apps You Should Install Right After Setup
Just installed Linux? Here’s a curated list of the best free Linux apps you should install right after setup. From productivity to multimedia, these apps will supercharge your Linux experience.
Kalyan Bhattacharjee
Sep 19, 20254 min read
AI Operating Systems: What Happens When Your OS Starts Thinking For You?
Smart Operating Systems are no longer just tools - they’re becoming intuitive companions. With built-in AI, proactive automation, and real-time adaptability, today’s OS platforms are reshaping how we interact with technology. From personalized suggestions to voice-controlled actions, this blog dives into how these intelligent systems are revolutionizing our devices and redefining user experience.
Kalyan Bhattacharjee
Aug 24, 20253 min read
Linux Terminal Commands to Track CPU, RAM, and Disk Usage
Want to keep an eye on your system performance without relying on a GUI? Discover essential Linux terminal commands to monitor CPU, RAM, and disk usage in real-time - perfect for servers, developers, and power users.
Kalyan Bhattacharjee
Aug 12, 20253 min read
Best Linux Distros for Gaming in 2025 (Pop!_OS, Garuda & More)
Looking to ditch Windows for gaming? These Linux distros in 2025 bring full driver support, top performance, and support for thousands of AAA titles.
Kalyan Bhattacharjee
Jul 5, 20254 min read
How to Install Linux on a USB Stick | Step by Step - Live OS Guide
Turn any USB stick into your personal operating system with this 2025 guide to installing Linux as a Live OS. Learn how to create a bootable USB, set up persistence, and use it for privacy, troubleshooting, and on-the-go computing.
Kalyan Bhattacharjee
Jun 22, 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
Top Linux Tools for Productivity in 2025 You Didn’t Know You Needed
Linux is more powerful than ever in 2025, and it’s not just for developers anymore. Whether you’re a creator, remote worker, or multitasker, these lesser-known tools will supercharge your Linux workflow and make you wonder how you lived without them.
Kalyan Bhattacharjee
Jun 15, 20253 min read
How to Clear Computer's Cache in Windows 10 and 11 (2026 Guide)
Clearing your computer’s cache in Windows 10 and 11 helps free up space, boost system performance, and resolve unexpected glitches. In this blog, we walk you through step-by-step methods to safely delete temporary files, browser cache, and system cache keeping your PC running smoothly and efficiently.
Kalyan Bhattacharjee
Jul 29, 20244 min read
Linux Mint vs Ubuntu (2026): Which Linux Distro Is Better?
Linux Mint and Ubuntu are two of the most popular Linux distros, but they offer very different experiences. This guide compares their performance, user interface, software support, customization, gaming, and stability to help you choose the right Linux distribution in 2026.
Kalyan Bhattacharjee
Jul 20, 20244 min read
Red Hat OS: Empowering Enterprises with Open-Source Excellence
Red Hat OS stands as a cornerstone in the enterprise Linux ecosystem, offering a robust, secure, and scalable platform built on open-source principles. Known for its stability and long-term support, Red Hat enables organizations to deploy critical applications, streamline development pipelines, and ensure operational efficiency.
Kalyan Bhattacharjee
Aug 30, 20234 min read
Apple iOS: The Seamless Blend of Innovation, Security & Simplicity
Discover how Apple iOS continues to redefine mobile experiences by blending cutting-edge innovation with a user-friendly interface. From powerful updates to seamless usability, explore why iOS remains the gold standard for intuitive smartphone software.
Kalyan Bhattacharjee
Jun 13, 20234 min read
Linux Mint OS | Enhancing Efficiency and Performance With Simplicity
Discover how Linux Mint balances simplicity, speed, and reliability offering a smooth desktop experience with powerful features that boost efficiency and performance for everyday users and professionals alike.
Kalyan Bhattacharjee
May 17, 20234 min read
Windows | The Story Behind Microsoft's Iconic OS
Windows has shaped the way we interact with computers for decades, evolving from a simple graphical interface to a powerful, feature-rich operating system. This blog explores its history, innovations, and how Microsoft’s iconic OS continues to influence computing worldwide.
Kalyan Bhattacharjee
May 15, 20234 min read
Kali Linux: The Operating System for Cyber-Security Professionals
Kali Linux is a powerful, Debian-based operating system tailored for cybersecurity professionals and ethical hackers. Packed with hundreds of pre-installed tools for penetration testing, digital forensics, and network analysis, Kali is the go-to OS for security auditing. In this blog, we explore what makes Kali Linux unique, its key features, and why it's essential for anyone serious about cybersecurity.
Kalyan Bhattacharjee
May 15, 20233 min read
BOSS OS; The Indian Operating System with Built-in Security Features
BOSS OS (Bharat Operating System Solutions) is India’s very own Linux-based operating system developed by CDAC. Built with advanced security features and support for Indian languages, BOSS OS aims to promote digital self-reliance and protect against cyber threats. In this blog, we take a quick look at what makes BOSS OS a secure and strategic choice for India in 2025.
Kalyan Bhattacharjee
May 4, 20233 min read
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