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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 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


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


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


Magisk vs KernelSU (2025): Which Android Root Method Is Better?
In 2025, Android power users are divided between two powerful root solutions — Magisk and the rising challenger, KernelSU. While Magisk continues to dominate with its module system and systemless root approach, KernelSU is gaining serious traction for its deep kernel-level control. In this blog, we break down the key differences, pros, cons, and use-cases to help you decide which root method suits your device and workflow best.
Kalyan Bhattacharjee
Jul 103 min read


Best Video Editing Apps for Android in 2025 | Top Free & Pro Editors
Looking to create stunning videos on your Android device without needing a PC? In this guide, we explore the best video editing apps for Android in 2025 ranging from beginner-friendly tools to professional-grade editors like InShot, VN, PowerDirector, and more. Whether you're making reels, YouTube content, or cinematic vlogs, these apps bring powerful editing features right to your fingertips.
Kalyan Bhattacharjee
Jul 73 min read


Is PUBG Cross Platform in 2025? Console, PC & Mobile Guide
Wondering if PUBG is cross-platform in 2025? With gaming communities more connected than ever, crossplay is a hot topic — but PUBG’s support is still limited. In this blog, we break down exactly which platforms work together, from Xbox and PlayStation to PC and Mobile, and reveal what’s possible, what’s not, and why. Don't miss the full compatibility chart and FAQs!
Kalyan Bhattacharjee
Jul 64 min read


Top Gallery Apps for Android in 2025 | Best Photo Viewers & Vaults
Tired of your phone’s boring default gallery? Check out the top gallery apps for Android in 2025 including privacy vaults, offline tools, and cloud-powered viewers.
Kalyan Bhattacharjee
Jul 34 min read


Best SMS Backup & Restore Apps for Android (2025 Guide)
Need to back up or restore your SMS messages on Android? This 2025 guide lists the best apps - from no-root tools to advanced solutions for power users.
Kalyan Bhattacharjee
Jul 23 min read


Introduction to Android Kernel Development for Beginners
Curious about Android kernel development? This guide breaks down the basics - how the kernel works, how to build it, and where to start as a beginner.
Kalyan Bhattacharjee
Jul 23 min read


Magisk Troubleshooting Guide 2025: Fix Bootloops, Conflicts & More
Facing issues with Magisk in 2025? From bootloops to module conflicts, this troubleshooting guide covers every common error and shows you how to fix them step-by-step.
Kalyan Bhattacharjee
Jul 23 min read


TWRP vs OrangeFox Recovery: Which Custom Recovery Is Better in 2025?
TWRP or OrangeFox? If you're into custom ROMs and root-level tweaks, this guide breaks down the key differences and helps you decide the best recovery for your Android device in 2025.
Kalyan Bhattacharjee
Jun 293 min read


Best Photo Editing Apps for Android in 2025 (That Aren’t Lightroom)
Lightroom isn’t the only option. From Snapseed to Lensa AI, discover the best photo editing apps for Android in 2025 — ideal for portraits, filters, and social-ready edits.
Kalyan Bhattacharjee
Jun 293 min read


Google Account Temporarily Locked? Here’s How to Recover It (2025)
Getting locked out of your Google account can be frustrating and disruptive. This guide shows you how to recover access, how long it usually takes, and smart ways to prevent future lockouts.
Kalyan Bhattacharjee
Jun 284 min read


How to Use a Firewall on a Rooted Android Phone (Full Setup 2025)
Take control of your Android device with root-level firewalls! This guide shows you how to use AFWall+, NetGuard, and more to block unwanted app connections and enhance your phone’s privacy and performance.
Kalyan Bhattacharjee
Jun 274 min read


How to Make Android Look Like iOS 18 in 2025 – Launcher Setup Guide
Transform your Android into an iOS 18 masterpiece! This step-by-step guide shows you how to replicate the iPhone look on your Android phone in 2025 — complete with the iOS-style launcher, Control Center, app icons, widgets, and swipe gestures. Perfect for iOS fans and Android customization lovers alike — no root required!
Kalyan Bhattacharjee
Jun 254 min read


Samsung Galaxy Unpacked 2025 on July 9: Foldables, Wearables, AI & More
Samsung has officially announced its Galaxy Unpacked 2025 event, scheduled for July 9 in Brooklyn. With the theme “Ultra Unfolds,” the tech giant is set to unveil the Galaxy Z Fold 7, Flip 7, Watch 8 series, Buds Core, and possibly its first XR headset. Packed with design upgrades, AI-powered features, and ecosystem improvements, this event is shaping up to be Samsung’s most ambitious showcase yet. Here’s a complete look at what to expect.
Kalyan Bhattacharjee
Jun 243 min read


Google Assistant Not Working in 2025? Here’s How to Fix It Fast
Google Assistant stopped responding in 2025? Don’t panic. These quick fixes can solve voice issues on Android phones from mic bugs to battery settings.
Kalyan Bhattacharjee
Jun 243 min read


Best Android Widgets in 2025 to Customize Your Home Screen
Tired of a dull home screen? These top 10 Android widgets in 2025 will help you add function, flair, and minimal beauty to your phone’s layout.
Kalyan Bhattacharjee
Jun 234 min read


Power Bank | mAh vs Watt-Hours: Real Capacity Explained
Ever wondered why your 10,000mAh power bank doesn’t fully charge your phone multiple times? This guide breaks down mAh, watt-hours (Wh), and real capacity to help you make smarter buying decisions and understand what you're really getting.
Kalyan Bhattacharjee
Jun 233 min read
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