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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 Themes That Completely Transform Your Phone
Looking to revamp your phone's look in 2026? 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.
Jan 234 min read
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.
Jan 103 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
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Android 17 Beta Program Goes Live: What’s New, Eligible Devices, and What to Expect
Google has launched the Android 17 Beta Program, bringing early access to new features, performance improvements, and privacy updates. Here’s a complete breakdown of what Beta 1 includes, supported devices, and whether you should install it.
Kalyan Bhattacharjee
7 days ago3 min read
Apple Releases iOS 26.2.1 Alongside the New AirTag 2: What’s Changed and Why It Matters
Apple has released iOS 26.2.1 to support its newly announced AirTag 2. The update improves Find My features, enhances Precision Finding, and prepares iPhones and Apple Watches for better item tracking.
Kalyan Bhattacharjee
Jan 293 min read
Xiaomi HyperOS 3.1: New Features, Eligible Devices, and What’s Changing
Xiaomi has started rolling out HyperOS 3.1, an update focused on smoother performance, refined UI elements, improved multitasking, and Android 16-based optimizations. While not a major redesign, HyperOS 3.1 improves everyday usability for supported Xiaomi, Redmi, and POCO devices.
Kalyan Bhattacharjee
Jan 233 min read
Top Linux Tools for Productivity in 2026 You Didn’t Know You Needed
Linux is more powerful than ever in 2026, 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
Jan 103 min read
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
Jan 94 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
How to Turn On Developer Mode on Chromebook (2026 Guide)
Unlock the full potential of your Chromebook by enabling Developer Mode. This 2026 guide walks you through each step and shows what powerful features it unlocks.
Kalyan Bhattacharjee
Jan 35 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
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
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
Make Android Phone Faster: 10 Simple Tweaks That Work
Tired of your laggy Android? Discover simple and effective tips to make your Android phone faster - no technical expertise required!
Kalyan Bhattacharjee
May 16, 20253 min read
What’s New in iOS 18: Top Features, Updates & Enhancements
Apple’s iOS 18 brings a suite of powerful upgrades - from redesigned Control Center to AI-driven Siri improvements. Whether you’re a casual user or a tech enthusiast, this guide unpacks everything you need to know about iOS 18’s new capabilities.
Kalyan Bhattacharjee
May 15, 20254 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
Apr 11, 20253 min read
25 Must-Know Mac Terminal Commands for Power Users
Master your Mac with these 25 essential Terminal commands! Boost productivity, navigate files, manage processes, and more like a pro.
Kalyan Bhattacharjee
Mar 18, 20253 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
Computer POST and Beep Codes: A Complete Guide
Wondering what those beeps from your computer mean? This complete guide to POST and beep codes explains how they work, what each code indicates, and how to troubleshoot common hardware issues effectively.
Kalyan Bhattacharjee
Jun 22, 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
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