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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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Cloudflare Down Alert: Facebook, X & ChatGPT Among Affected Sites
A sudden Cloudflare outage today disrupted major platforms including Facebook, X, and ChatGPT. Here’s a clear breakdown of what happened, why the internet went down, and how it impacted users globally.
Kalyan Bhattacharjee
Nov 184 min read
Timing Advance Processor: How This Engine Tech Boosts Performance
A Timing Advance Processor modifies your engine’s ignition timing using microcontroller-based signal adjustments to improve power, throttle response, and overall performance. This guide explains how TAPs work, their benefits, risks, and where they’re used in modern automotive tech.
Kalyan Bhattacharjee
Nov 184 min read
Galaxy Mobile Themes: Best Samsung Themes Guide (2025)
Galaxy mobile themes let you completely customize the look and feel of your Samsung phone - from wallpapers and icons to system colors and Always-On Display. In this guide, we explore the best Galaxy themes of 2025, how to apply them, and the top categories trending among Samsung users in the United States.
Kalyan Bhattacharjee
Nov 164 min read
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 96 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 53 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 24 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 284 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 204 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 183 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 174 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 145 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 134 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 83 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 63 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 63 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 44 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 43 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 24 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 23 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 273 min read
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