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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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Best Resume Builder Apps for Android (2025) – Free & Easy CV Makers
Looking to craft the perfect resume right from your smartphone? This blog dives into the top Android resume builder apps that make creating professional resumes fast, easy, and mobile-friendly. Whether you're a student, freelancer, or job seeker, find the right app to build, edit, and export polished resumes on the go - no PC required.
Kalyan Bhattacharjee
Jul 293 min read


What is a Passive Infrared Sensor? Working, Uses & Benefits Explained
Passive Infrared (PIR) sensors are widely used motion detectors that sense infrared radiation from objects in their surroundings. In this blog, we break down how PIR sensors work, where they're used—from home security to smart lighting, and the key benefits they offer in terms of energy efficiency and automation. Whether you're a tech enthusiast or just curious about smart devices, this guide will help you understand the role of PIR sensors in modern electronics.
Kalyan Bhattacharjee
Jul 292 min read


Lava Blaze Dragon 5G: Affordable 5G Phone Under ₹10K in India
Lava has just fired up the budget smartphone market with the launch of the Blaze Dragon 5G in India. Sporting the powerful Snapdragon 4 Gen 2 chip, premium finishes like Golden Mist and Midnight Mist, and a price under ₹15,000, this phone brings serious heat to its segment. From design to performance, it’s redefining what users can expect from an affordable 5G device.
Kalyan Bhattacharjee
Jul 282 min read


YouTube Retires Trending Page | Personalized Discovery Takes Over
YouTube is phasing out its long-standing Trending page in favor of a more personalized discovery experience. This major shift highlights the platform’s evolving focus on user preferences, curated recommendations, and tailored content feeds. As algorithms become smarter, YouTube aims to surface videos that matter most to each individual, making exploration more relevant and engaging than ever.
Kalyan Bhattacharjee
Jul 273 min read


How Do Motion Sensors Work? Explained with Examples (2025 Guide)
Motion sensors are everywhere from your home lights to high-tech security systems. But how do they actually detect movement? This beginner-friendly guide breaks down how motion sensors work, the technologies behind them, and where you’ll find them in everyday life.
Kalyan Bhattacharjee
Jul 263 min read


How to Format SD Card on Android (2025) | Safe & Easy Guide
Formatting an SD card on your Android phone is a simple yet essential task to maintain optimal performance, free up space, or prepare it for a fresh start. Whether you’re troubleshooting issues or switching devices, this guide walks you through every step of safely formatting your SD card directly from Android settings no external tools required.
Kalyan Bhattacharjee
Jul 263 min read


How to Safely Update BIOS on PC or Laptop (2025 Guide)
Updating your BIOS might sound intimidating, but it's easier than you think. In this step-by-step guide, we’ll walk you through the entire process of safely updating the BIOS on your PC or laptop. Whether you're fixing bugs, improving hardware compatibility, or boosting system performance, this 2025 guide ensures you're doing it right without bricking your device.
Kalyan Bhattacharjee
Jul 254 min read


Best Android Live Wallpapers You Must Try in 2025 (Free & Stunning)
Bored of static backgrounds? Spice up your Android phone with dynamic visuals! Explore our handpicked list of the best Android live wallpapers you must try in 2025 - from minimalist loops to stunning animated effects.
Kalyan Bhattacharjee
Jul 244 min read


Best Game Recording & Streaming Apps for Android (2025) – For Mobile Creators
Looking to record or live stream your mobile gameplay like a pro? In this 2025 guide, we’ve handpicked the best Android apps that let you capture high-quality footage, add overlays, record facecam, and stream directly to YouTube, Twitch, and more perfect for content creators who game on the go!
Kalyan Bhattacharjee
Jul 243 min read


9 Best Clock Widgets for Android (2025) | Style Meets Functionality
Looking to personalize your Android home screen with stylish time displays? This blog explores the best clock widgets for Android, featuring a variety of digital and analog designs to suit every aesthetic—whether you prefer minimalist layouts or bold, customizable themes. Discover top-rated clock widgets that not only enhance functionality but also elevate the visual appeal of your device.
Kalyan Bhattacharjee
Jul 233 min read


7 Best Weather Widgets for Android in 2025 (Free & Customizable)
Looking to stay ahead of the weather with just a glance at your phone? In this blog, we explore the best weather widgets for Android that combine accurate forecasts with sleek designs. Whether you want minimalist layouts, detailed hourly updates, or animated weather effects, these widgets offer the perfect blend of function and style for your home screen.
Kalyan Bhattacharjee
Jul 223 min read


32-bit vs 64-bit Architecture: What's the Difference & Which One to Choose?
Confused between 32-bit and 64-bit architecture? Learn the key differences, performance impact, RAM limits, software compatibility, and why 64-bit is the future of computing.
Kalyan Bhattacharjee
Jul 214 min read


Android 15 vs Android 16: Key Differences, Features & What’s New (2025)
Android 16 is here, and it brings some surprising changes over Android 15! From smoother animations and redesigned notifications to enhanced privacy tools and better battery optimization, Android 16 feels like a real upgrade — not just a minor patch. In this blog, we break down the major differences, new features, and why it might be worth updating your device right now.
Kalyan Bhattacharjee
Jul 214 min read


Japan's NICT Breaks World Record with 402 Tbps Internet Speed
Japan’s National Institute of Information and Communications Technology (NICT) has set a new world record by achieving an astonishing internet speed of 402 Tbps, redefining what ultra-fast connectivity means. Using advanced multicore fiber optic technology, this breakthrough opens the door to real-time AI processing, massive data transfers, and a future where downloading entire libraries takes mere seconds. Here's a closer look at how this innovation could reshape the digital
Kalyan Bhattacharjee
Jul 203 min read


How DNA Data Storage Could Replace Hard Drives in the Future
Imagine storing the entire internet in something smaller than a sugar cube this is the promise of DNA data storage. As our digital needs explode and traditional storage methods hit their limits, scientists are turning to the code of life itself to hold tomorrow’s data. In this blog, we explore how DNA, the molecule that stores biological information, could soon revolutionize how we store digital files replacing hard drives with a solution that's incredibly compact, stable, an
Kalyan Bhattacharjee
Jul 183 min read


Best Lightweight Android Launchers for 3-4GB RAM Phones (2025 Edition)
Struggling with lag on your budget Android phone? Discover the top lightweight Android launchers of 2025 that are specifically optimized for devices with just 3–4GB RAM. These launchers bring speed, simplicity, and smooth performance to even the most modest smartphones - perfect for users looking to boost usability without draining system resources. Whether you're running an older device or a new entry-level model, this guide has you covered.
Kalyan Bhattacharjee
Jul 183 min read


NavIC GPS: Everything You Need to Know About India’s Navigation System
Discover how India’s indigenous NavIC GPS system is revolutionizing satellite navigation. In this blog, we break down what NavIC is, how it compares to traditional GPS, its real-world applications, and why it's vital for India's strategic autonomy in 2025 and beyond.
Kalyan Bhattacharjee
Jul 163 min read


Top AI Art Styles in 2025 You Must Try (Ghibli, Pixar, Cyberpunk & More)
AI-generated art has evolved from simple filters to breathtaking, stylized masterpieces. In 2025, styles like Ghibli, Pixar, Cyberpunk, and Anime are leading a creative revolution - letting anyone create gallery-worthy visuals with just a few clicks. Whether you’re an artist, content creator, or curious enthusiast, these trending AI art styles are a must-try for jaw-dropping results.
Kalyan Bhattacharjee
Jul 163 min read


PowerShell vs CMD: Key Differences, Uses & Beginner Guide (2025)
Curious about PowerShell and how it differs from the classic Command Prompt? In this beginner-friendly guide, we break down what PowerShell is, how it expands your control over Windows, and when to use it instead of CMD. From task automation to advanced scripting this post will help you understand why PowerShell is a game-changer for power users.
Kalyan Bhattacharjee
Jul 143 min read


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 143 min read


Microsoft Majorana 1 Chip: The Future of Quantum Computing
Microsoft has unveiled the Majorana 1 chip - a breakthrough quantum processor built on topological qubit architecture. By leveraging the elusive Majorana fermion, this chip promises more stable, error-resistant quantum computing. While still under scientific scrutiny, Majorana 1 could mark a turning point in making practical, scalable quantum systems a near-term reality.
Kalyan Bhattacharjee
Jul 133 min read


What Is WPA? Wi-Fi Protected Access Explained Simply
WPA is the security protocol behind your Wi-Fi connection. This beginner's guide explains what WPA means, how it works, and which version is best.
Kalyan Bhattacharjee
Jul 123 min read


Best Icon Packs for Android in 2025 (Compatible with Any Launcher)
Give your Android phone a whole new personality! Whether you're using Nova Launcher, Lawnchair, or the stock setup, these icon packs for 2025 offer bold designs, minimal styles, and vibrant themes that work with any launcher. Explore the best options to instantly refresh your home screen without root or complicated tweaks.
Kalyan Bhattacharjee
Jul 113 min read


Android 16 Fights Stingray Surveillance with New Network Notification Feature
Android 16 is stepping up mobile security with its new “Network Notifications” feature, designed to alert users when their device connects to fake cell towers—also known as Stingrays. This update offers a major privacy boost by detecting unencrypted or suspicious networks, helping users stay one step ahead of surveillance threats.
Kalyan Bhattacharjee
Jul 113 min read
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