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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 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
5 Best Android Launchers in 2025 That Make Your Phone Feel Brand New
Looking to give your Android phone a total makeover? These 5 launchers tested in 2025 will transform your device with smooth performance, sleek design, and powerful customization—no root needed!
Jun 22, 20253 min read
Top 10 Magisk Modules for Rooted Android Phones (2025 Edition)
Unlock the full potential of your rooted Android device with these 10 mind-blowing Magisk modules in 2025. 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.
Jun 19, 20253 min read
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Top 10 Tech Companies in the USA (2025) | Leading US Innovators
The United States continues to lead the global tech sector with groundbreaking innovation in AI, cloud computing, EVs, software, and semiconductors. This 2025 list highlights the top 10 US tech companies shaping American technology and influencing worldwide trends - from Apple and Microsoft to Nvidia, Tesla, and more.
Kalyan Bhattacharjee
Nov 9, 20256 min read
How to Reset an Apple TV Remote (All Models Explained)
Is your Apple TV remote not responding or refusing to pair? This guide explains how to reset every Apple TV remote - from Siri models to older IR remotes with clear, easy-to-follow steps.
Kalyan Bhattacharjee
Nov 9, 20253 min read
Cloud Gaming Explained: The Future of Gaming Without Consoles
Cloud gaming is changing the way we play - no downloads, no consoles, no limits. Learn how it works, why it’s growing fast, and explore the best cloud gaming platforms in 2025 that bring AAA titles to any device instantly.
Kalyan Bhattacharjee
Nov 8, 20254 min read
What Is an API Call? Complete Beginner Guide With Examples
Curious what an API call is? In this beginner-friendly guide, you’ll learn how apps communicate with servers using API calls, see real examples, and understand how APIs power everyday apps and online services.
Kalyan Bhattacharjee
Nov 6, 20253 min read
Best App Lockers for Android (2025) - Keep Your Apps & Data Secure
Want to protect your private apps, photos, and chats? Here are the 7 best app lockers for Android in 2025 that offer secure locking, fingerprint support, and privacy features without slowing down your phone.
Kalyan Bhattacharjee
Nov 5, 20253 min read
Phone Won’t Connect to WiFi? 10 Fixes for Android & iPhone
Is your phone refusing to connect to Wi-Fi even though the signal looks fine? Don’t worry - this is one of the most common smartphone issues. In this guide, we’ll explore the top reasons your phone won’t connect to Wi-Fi and walk you through simple fixes to get your connection back up and running in minutes.
Kalyan Bhattacharjee
Nov 3, 20254 min read
7 Best Internet Browsers for Android In 2025 - Speed, Privacy & Productivity
Not all browsers are built the same. Some offer unmatched speed, others bring privacy, while a few pack in all-round features. Here’s a detailed look at the 7 best Android browsers in 2025. Including Chrome, Firefox, Opera, Edge, and more - to help you find the perfect one for your device and browsing style.
Kalyan Bhattacharjee
Nov 2, 20254 min read
Liquid Glass Coating | Next-Gen Surface Protection Using Nanotech
Liquid Glass Technology is changing how we protect our gadgets and everyday items. This nanotech-based coating forms a transparent, durable layer that repels water, oil, and bacteria - offering a smarter, eco-friendly way to keep surfaces stronger, cleaner, and long-lasting.
Kalyan Bhattacharjee
Oct 28, 20254 min read
CalyxOS vs GrapheneOS: Which Android Privacy OS Wins in 2025?
CalyxOS and GrapheneOS both promise true Android privacy, but their approaches differ. CalyxOS blends convenience with protection, while GrapheneOS pushes security to the extreme. This in-depth comparison breaks down their real-world performance, features, and who each OS is best for in 2025.
Kalyan Bhattacharjee
Oct 20, 20254 min read
YouTube Rolls Out Major Video Player Update for Web, Mobile & TV
YouTube is refreshing its video player design across all platforms - web, mobile, and TV. The new interface introduces softer icons, fluid animations, and improved accessibility, creating a more unified and enjoyable viewing experience for users worldwide.
Kalyan Bhattacharjee
Oct 18, 20253 min read
OxygenOS 16: A Deep Dive into OnePlus’ AI-Powered Liquid Glass Experience
OnePlus has unveiled OxygenOS 16, introducing a stunning Liquid Glass UI, Gemini AI integration, and the all-new Mind Space for smarter personalization. From AI-driven features to improved cross-device connectivity, OxygenOS 16 marks OnePlus’ biggest leap toward an intelligent and fluid Android experience.
Kalyan Bhattacharjee
Oct 17, 20254 min read
Best File Managers for Android 2025 | Top 7 Apps for Speed & Security
Managing files on Android doesn’t have to be a hassle. Explore our expert-picked list of the 7 best file managers in 2025 to organize, secure, and speed up your device.
Kalyan Bhattacharjee
Oct 14, 20255 min read
Zoho CRM: Features, Pricing & Easy Setup Guide (2025)
Zoho CRM is one of the most powerful and affordable tools for managing leads, sales, and customer relationships. In this blog, we break down its key features, pricing plans, and setup steps to help you get started quickly - whether you’re a small business or a growing enterprise.
Kalyan Bhattacharjee
Oct 13, 20254 min read
AOMEI Backupper Giveaway 2025: Free License, Product Bundle & Cash Rewards
AOMEI has launched an exciting new giveaway campaign for 2025, offering free software licenses, premium bundles, and even cash prizes! From October 10 to 23, users can claim a free 1-year AOMEI Backupper Home license, participate in a user experience contest to win the full AOMEI suite worth $409.75, and join a sharing challenge for a chance to win up to $200 in cash rewards.
Kalyan Bhattacharjee
Oct 11, 20253 min read
Battery Saver Apps: Do They Really Work in 2025? | Tested & Reviewed
Tired of your phone dying too soon? Explore the best battery saver apps for Android in 2025 - tested for real performance and safety. Learn how these apps optimize power, reduce heating, and extend your device’s lifespan effectively.
Kalyan Bhattacharjee
Oct 8, 20253 min read
Best FDroid Apps 2025 | Top Open-Source Android Apps Without Ads
Looking for Android apps that respect your privacy? Explore the best F-Droid apps of 2025 — completely free, open-source, and without ads or trackers. From browsers to utilities, these apps combine security, performance, and transparency.
Kalyan Bhattacharjee
Oct 6, 20253 min read
Best Android Open Source Apps (2025) | Free, Safe & Ad-Free Apps
Experience the power of open-source innovation on Android. This guide highlights the best free and privacy-focused open-source apps of 2025 - from media players and messengers to productivity tools - all designed for performance, transparency, and freedom.
Kalyan Bhattacharjee
Oct 6, 20253 min read
Stock Android Theme: Get the Clean, Fast & Minimal Android Experience
Experience the purest form of Android with the Stock Android Theme. This guide explains what Stock Android is, its pros and cons, and the top 5 free themes that bring the original Pixel feel to any smartphone. Whether you’re after speed, simplicity, or that signature Google look - this article covers it all.
Kalyan Bhattacharjee
Oct 4, 20254 min read
Stock Android – Key Features, Pros & Cons | Pure Google Experience
Stock Android offers a clean, fast, and bloat-free experience - exactly how Google intended Android to be. In this guide, explore its benefits, limitations, and why it remains a top choice for those who value simplicity and performance in 2025.
Kalyan Bhattacharjee
Oct 4, 20253 min read
How to Restart Lenovo Laptop: Step-by-Step Guide for All Models (2025)
Restarting your Lenovo laptop can fix glitches, improve performance, and complete updates. This step-by-step guide shows multiple safe methods for all Lenovo models, including standard restarts, keyboard shortcuts, Safe Mode, and troubleshooting tips for unresponsive devices.
Kalyan Bhattacharjee
Oct 4, 20253 min read
Zoho Apps & Services – Complete Guide to Zoho Software
Zoho is more than just a CRM - It’s an entire ecosystem of 50+ business apps designed to simplify work. From sales and marketing to finance, HR, and collaboration, Zoho provides an all-in-one suite that helps startups, small businesses, and enterprises manage everything under one roof.
Kalyan Bhattacharjee
Oct 2, 20254 min read
Arattai App – Made in India WhatsApp Alternative by Zoho
Arattai, Zoho’s homegrown messaging app, is making waves as a potential WhatsApp alternative. With data hosted in India, privacy-first features, and smooth performance on low-end devices, it’s gaining attention fast. But can Arattai really compete with WhatsApp? Let’s explore.
Kalyan Bhattacharjee
Oct 2, 20253 min read
Stock Android vs Custom ROMs (2025): Pros & Cons Explained
Stock Android offers a clean, fast, and reliable experience, while Custom ROMs unlock endless personalization and features. In this blog, we break down the pros and cons of both, helping you decide which Android experience is the best fit for your smartphone in 2025.
Kalyan Bhattacharjee
Sep 27, 20253 min read
Dell Laptops 2025 | XPS, Inspiron, Latitude & Alienware
Discover the best Dell laptops for 2025! From the premium XPS series to budget-friendly Inspiron, powerful Latitude, and gaming-ready Alienware, Dell has something for everyone. Explore top models like the XPS 13 Plus, Inspiron 16 Plus, and Alienware x16 to find your perfect match.
Kalyan Bhattacharjee
Sep 24, 20254 min read
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