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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Person in suit interacting with digital interface featuring AI, big data, and analytics graphics. Holographic human figure at center. Futuristic tech theme.

Importance of Data Analytics in & Free Courses to Get Started

Data analytics drives smarter decisions, efficiency, and growth. Learn its importance and explore free courses from Google, IBM, Microsoft.

Kalyan Bhattacharjee

Mar 283 min read

Futuristic drone hovers over a glowing cityscape at dusk. Neon blue and red lights illuminate skyscrapers, creating a high-tech ambiance.

Drones: How They Work and the Technology Behind Them

Drones are revolutionizing industries, from aerial photography to delivery services. Discover the amazing tech behind these drones.

Kalyan Bhattacharjee

Mar 273 min read

A colorful infographic illustrating various display types—LCD, OLED, LED, QLED, and Plasma—each represented with labeled screens showing their visual characteristics, set against a modern tech-themed background in a 16:9 layout.

From LCD to QLED: A Complete Guide to Display Technologies

From CRT to OLED, display technology has evolved rapidly. Explore different types of screens, their workings, and the latest innovations.

Kalyan Bhattacharjee

Mar 254 min read

Earth in space surrounded by numerous satellites. The sun glows in the background, and stars dot the dark expanse. A sense of busy activity.

Satellites: Types, Functionality & Their Role in Modern Technology

Satellites play a vital role in communication, navigation, weather forecasting, and space research. Learn about their types, functions etc.

Kalyan Bhattacharjee

Mar 244 min read

Smartphone with back cover removed, revealing a Li-ion battery. Black and white components on a beige background. Text reads "Li-ion BATTERY".

Lithium-Ion Batteries: The Power Behind Modern Technology

Discover the history, working mechanism, and global impact of lithium-ion batteries, powering everything from smartphones to electric vehicle

Kalyan Bhattacharjee

Mar 223 min read

Two large blue batteries labeled "NA ion" and "LI ion" on a dark blue background with energy symbols, molecules, and leaves.

Sodium-Ion Batteries vs Lithium-Ion Batteries | Key Comparison

Sodium-ion and lithium-ion batteries are revolutionizing energy storage, but how do they compare? #BatteryTech

Kalyan Bhattacharjee

Mar 212 min read

Batteries labeled Na and Li with electric lines connecting to icons for money, resources, energy, and security. Background: solar panels, wind turbines.

Sodium-Ion Batteries: The Next Big Breakthrough in Energy Storage

Sodium-ion batteries are emerging as a game-changer in energy storage! Learn how they compare to lithium-ion and their future potential.

Kalyan Bhattacharjee

Mar 194 min read

A glowing computer interface displays code on a futuristic screen with icons and symbols. The setting is dark with blue and white hues.

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 183 min read

A robot interacts with a holographic human on a digital screen in a futuristic lab. Blue lights and glowing elements create a high-tech mood.

Robotics Technology: Early Innovations to Advanced Tech

From early automation to cutting-edge AI, robotics has transformed industries. Explore its history, latest innovations, and future. 🤖🚀

Kalyan Bhattacharjee

Mar 184 min read

Error window showing a damaged file icon with yellow warning signs and text "Damaged File" and "Error 0x80070570" on a blue background.

Windows Error 0x80070570: Full Guide to Causes, Fixes & Prevention

Error 0x80070570 can disrupt file operations on Windows. Learn its causes and step-by-step fixes to resolve this frustrating issue easily!

Kalyan Bhattacharjee

Mar 143 min read

CPU and GPU chips glow blue and orange on a dark circuit board, with electric patterns connecting them, representing tech power.

CPU vs GPU Explained: From Gaming to AI Applications

Curious about the difference between CPUs and GPUs? Learn how they work, their strengths, and which one is best for your needs!

Kalyan Bhattacharjee

Mar 133 min read

Futuristic fintech scene with a digital globe, Bitcoin symbols, and tech devices. Texts: "FINTECH," "DIGITAL TECH SERVICE." Neon colors.

Fintech Explained: Types, Companies, and Challenges

Discover the world of Fintech! Learn about its types, top companies, and the challenges shaping the future of financial technology.

Kalyan Bhattacharjee

Mar 122 min read

White keyboard and mouse on a wooden desk. Tilde Key is highlighted in red and yellow, a grey pen below the keyboard. Clean and minimalistic workspace setting.

What is the Tilde Key and It's Uses, Shortcuts & Tech Functions

Discover the tilde (~) key! Learn its functions, shortcuts, and how to use it effectively in Mac, Windows, and Linux.

Kalyan Bhattacharjee

Mar 112 min read

A digital globe with a network grid, surrounded by satellites, antennas, and "5G" text, set against a futuristic blue and pink background.

Telecommunication: Powering Global Connectivity & Innovation

Explore how telecommunication shapes our digital world, connecting people and businesses through cutting-edge technology and innovation.

Kalyan Bhattacharjee

Mar 104 min read

A hand inserts a silver CR2032 lithium battery into a socket on a circuit board. The board has intricate copper traces and visible components.

How to Replace the CMOS Battery & Why It Matters

Learn how to replace your CMOS battery and why it's essential for maintaining system time, BIOS settings, and overall PC stability.

Kalyan Bhattacharjee

Mar 94 min read

Futuristic server room with glowing data cylinders displaying storage units like BYTE, KILOBYTE, in a high-tech, digital environment.

Data Storage Units Explained | KB, MB, GB, TB, PB & More

Understand data storage units from KB to PB and beyond. Learn how digital storage scales and why it matters in today's tech-driven world.

Kalyan Bhattacharjee

Mar 94 min read

Split image: left shows climbers scaling a red mountain under an orange sky; right shows a rocket launching above a cityscape against a blue sky.

Pros and Cons of Bootstrapping vs VC Funding for New Entrepreneurs

Explore the pros and cons of bootstrapping vs. venture capital. Which funding route suits your business best? Find out!

Kalyan Bhattacharjee

Mar 54 min read

Four people collaborate at a table with laptops and charts. A "STARTUP" wall graphic features colorful graphs. Mood is engaged and cheerful.

Technology Startups: Opportunities, Challenges, and the Road Ahead

Discover the exciting world of technology startups opportunities, challenges, and the path to success.

Kalyan Bhattacharjee

Feb 285 min read

Kalyan Bhattacharjee | A Digital Innovator and Tech Visionary

Meet Kalyan Bhattacharjee - a digital innovator, tech visionary, and creator shaping the future of IT, fintech, and digital marketing.

Kartik Sharma

Feb 263 min read

SoftBank: History, Investments, and Future in Technology

Discover SoftBank’s journey from its early days to becoming a global tech giant, its bold investments, and it's innovation.

Kalyan Bhattacharjee

Feb 222 min read

Futuristic scene with robots, a laptop, and a smartphone. Holographic interfaces and "AI" text highlight the theme of virtual assistants.

DeepSeek vs. ChatGPT | Next Generation of AI Assistants

DeepSeek vs. ChatGPT: Which AI assistant leads the next-gen revolution? Explore their capabilities, differences, and what sets them apart!

Kalyan Bhattacharjee

Feb 203 min read

Neon clouds labeled "IoT" hover over a digital circuit board with glowing lines. Futuristic cityscape in the background.

Edge Computing: Data Processing for the Future

Edge computing is transforming data processing by bringing computation closer to the source. Discover its benefits, use cases, future impact

Kalyan Bhattacharjee

Feb 123 min read

UPI Transactions May Be Declined from February 1, 2025

Major UPI transactions may be declined from Feb 1, 2025! Find out why, who’s affected, and how to ensure seamless payments.

Kalyan Bhattacharjee

Feb 23 min read

Futuristic eco-city model featuring solar panels, wind turbines, and greenery. Central servers emit a green glow. Large recycle symbol above.

Green IT: A Sustainable Approach to Technology

Discover how Green IT is transforming technology with eco-friendly solutions, reducing carbon footprints, and promoting sustainability.

Kalyan Bhattacharjee

Jan 283 min read

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