ICSE self study website

 https://www.selfstudys.com/

reel: https://www.facebook.com/reel/1439000371611345

Negatives of life vs Negative numbers

 Motivational video.

https://www.facebook.com/reel/1347798664107936

Unlocking Bootloader of Lenovo Z2 Plus

 Do you have Lenovo Z2 Plus phone and you want to unlock your bootloader to install custom ROM? In 2026 you cannot unlock the bootloader because Lenovo does not provide unlocked bootloader anymore. 

  Here is the step-by-step guide to unlocking the bootloader using this method.

  

  How the EDL Exploit Works for Z2 Plus

  Normally, fastboot oem unlock requires a token generated by the manufacturer's website. However, by forcing the phone into Emergency Download (EDL) mode, we can use an open-source tool to temporarily patch the bootloader (aboot) and unlock it, bypassing the need for Lenovo's website entirely.

  

  Step 1: Prerequisites

  1. Windows PC Required: You need a Windows PC (the exploit tools and drivers are Windows-only).

  2. Install Drivers: 

     * Install the Lenovo USB drivers (or generic Qualcomm USB drivers).

     * Install the Qualcomm HS-USB QDLoader 9008 drivers.

  3. Enable OEM Unlocking: 

     * Go to Settings > About phone > Tap ZUI version 7 times to enable Developer Options.

     * Go to Developer Options and enable USB Debugging and OEM Unlocking (or "Allow OEM Unlocking").

  4. Backup Data: This process will wipe your device completely. Ensure everything is backed up.

  

  Step 2: Download the Unlock Tool

  You will need a specific community tool that exploits the Z2 Plus's EDL mode. 

  1. Search the XDA Developers forums for "Lenovo Z2 Plus Z2P Unlock Tool" or "Z2 Plus Dirty Cow / EDL Unlock". 

  2. Download the ZIP file and extract it to a folder on your C:\ drive (e.g., C:\Z2P_Unlock).

  

  Step 3: Boot into EDL Mode

  1. Connect your phone to your PC via USB.

  2. Open a command prompt on your PC (type cmd in the Windows search bar) and enter the bootloader mode:

 bash

  │    adb reboot bootloader

    *(If your phone prompts for USB debugging access on the screen, allow it).*

  3. Once the phone is in fastboot mode, you need to force it into EDL mode. You can do this by holding Volume Up + Volume Down + Power until the screen goes black. 

  4. Open Device Manager on your PC. Under "Ports (COM & LPT)" or "USB Controllers", you should see a new device appear called "Qualcomm HS-USB QDLoader 9008". If it has a yellow exclamation mark, you need to manually point the driver to the .inf file included in your downloaded tool folder.

  

  Step 4: Patch and Unlock

  1. Inside the folder you downloaded, there will be a batch file (usually named unlock.bat, Z2P_Unlock.bat, or start.bat). 

  2. Right-click the batch file and select Run as administrator.

  3. A command prompt window will open. The tool will detect your phone in EDL mode.

  4. Follow the on-screen prompts. The tool will temporarily back up your aboot and pbl partitions, and then exploit the bootloader to set the unlock flag to true.

  5. The tool will automatically issue the unlock command and wipe your device.

  

  Step 5: Reboot and Verify

  1. Once the tool finishes, it will prompt you to reboot. 

  2. Use the volume keys on your phone to select Reboot to Bootloader or Recovery.

  3. As the phone reboots, check the top-left corner of the screen. It should now say "BOOTLOADER UNLOCKED" or "DEVICE UNLOCKED" in small text.

  4. Your phone will factory reset itself and boot into Android.

  

  Important Notes:

  • Do not unplug the cable: While the tool is running, do not touch the phone or unplug the cable. Interrupting a write to the aboot partition can hard-brick the device.

  • Custom Recovery: Once unlocked, you can now flash a custom recovery like TWRP using fastboot flash recovery twrp.img and then flash a custom ROM like LineageOS to give your Z2 Plus a new life.

  

  *Disclaimer: Modifying your device's bootloader carries Proceed with caution, as you are solely responsible for any damage that may occur to your device.*

Just want to use VPN for one link?

Search term: Proxyium

Reel: https://www.facebook.com/reel/1340060051606058

Create own invoice

 https://prankshit.com/free-online-invoice-receipt-1.html

Reel: https://www.facebook.com/reel/26738484292476754

Can you edit screen shots?

Search term: UIzard io screenshot editor 

Check this: https://www.facebook.com/reel/1828971461419116

Learn stock market for free

 

Basics: Zerodha Varsity

Link: https://www.facebook.com/reel/1492883432101994

Resume or job apply reels.

If you have the job description and you want to apply it to resume use tools provided in below reel.

https://www.facebook.com/reel/2029170751303519

Erase me off the internet reel

 ChatGPT can work as agent to cleanup all the personal data about you on the internet.

Link: https://www.facebook.com/reel/1040440962057650

Budget escalator made by indian

 

Are you planning to retrofit a lift into your existing home. Try this budget escaltor.

Saved reel:

https://www.facebook.com/reel/1860751648232600

Learn AI from scratch

If I have to learn everything from scratch I would start with these first(with visualization).

 1. Basics of mathematics: https://seeing-theory.brown.edu/

2. Machine learning concepts: https://ml-visualized.com/

3. Learn how real world models work: https://bbycroft.net/llm

Demo link: https://www.facebook.com/reel/925907220216088

Home interior designing software

 Did you know if you goto this link you can plan you interior toom.

Link: https://www.planyourroom.com/

Natural root cooling fix for Indian summers

 

Ingredients :

1. Limestone 20kg for 1200 sqft (350 Rs/-)

2. Favicol DDL Binder (1 kg, 120/- Rs, 5kg needed for 1200 Sq/ft)

3. DR. FixIT URP(Optional: for water sealing, 500GM)

Receipe:

1. Overnight soak the Limestone in water until the mixture cools down after natural heat

2. Next day mix Favicol DDL Binder with water, mix for 10 mins

3. Mix DR. FixIT and apply.

People are spending ₹20-30 thousand on ACs 😭

Meanwhile, this brother found a simple roof trick that reportedly makes the house feel 15 degrees cooler for almost free 😱

Desi innovation at its best 🔥 pic.twitter.com/lgFqQxBTTG

— VIZHPUNEET (@vizhpuneet) May 27, 2026

High protein breakfast meal(like omlet)

 Want high protein veg dosa meal for less ?

This recipe is based on soy chunks.

Demo reel: https://www.facebook.com/reel/991568627149302

Javascript animation site(free)

 https://animejs.com/

Javascript animation site which allows to copy paste the code.

Demo: https://www.facebook.com/reel/1438846067978280

Download video or audio from url

 How to download video or audio from a url.

https://cobalt.tools/

Demo: https://www.facebook.com/reel/1456049419552954

Civil build editor(building)

 https://github.com/pascalorg/editor

Civil building editor

Demo: https://www.facebook.com/reel/957159423727681

Interactive periodic table

 https://zperiod.app/

Interactive learning periodic table

Demo: https://www.facebook.com/reel/1491845235942132

Tele-prompter cue-prompter

 Want any help to read out for your vlogs? Here is a free tool.

https://cueprompter.com/

Demo: https://www.facebook.com/reel/1203125385237814

Kitchen cabinets with tiles

See this for Cabinets made with pure tiles.

https://www.facebook.com/reel/927176353556497

Large wallpaper print creator tool

Large printed wall paper creator for home printers which can print only A4.

 Demo:

https://www.facebook.com/reel/2111249526333042

Projector based 3d lighting

 Want 3d lighting for your 3d objects see this demo:

https://www.facebook.com/reel/1385542890255419

Kids electronic circuit simulation

 If you go to this link, you can do breadboard simulations.

Diode — Build, program, and simulate hardware

Demo link

https://www.facebook.com/reel/1394180195731701

Fastest way to find location of issue:

https://www.facebook.com/reel/26195900043435503

Create your own circuits

https://wokwi.com/  Demo: https://www.facebook.com/reel/1433868118291604

How stuff works animated website

 How stuff works

https://animagraffs.com/

https://www.facebook.com/reel/1314083324108607

Android APP creator site

 

https://blink.new

https://www.facebook.com/reel/782276931143326

Color ART QR code

 Color ART QR CODE

https://www.facebook.com/reel/1614406446352819

Home Internet tunnels

Want to access your home devices without VPN? Use tailscale, here is the demo video.

https://www.facebook.com/reel/937976195385721

Math visual education

Sine, Cosine, Tangent visuals

https://www.facebook.com/reel/1529333021472883

Finding HSN codes/Bill Generator

 If you are looking for Gym equipment HSN code numbers, here are some I found.

https://getswipe.in/blog/article/exercise-equipment-hsn-code-and-gst-rate-9506

https://services.gst.gov.in/services/searchhsnsac

https://www.billsgenerator.in/fuel-bill-generator

List of common tools available on the internet: https://www.commontools.org/

Digital Camera (Depth of Field)DOF tutorial site

Use this site for experimenting depth of field in our DSLR camera.

https://dofsimulator.net/en/

Demo: https://www.facebook.com/reel/3293641800811419

DSLR photo shoot tutorial/guide

 https://www.photoskop.com/

Learn photograph virtually: https://www.facebook.com/reel/1980401729560523

Tasty snacks for Kids

 Tasty egg puff with bread and egg.

https://www.facebook.com/reel/3473518689464092

Poha/medu vada:

https://www.facebook.com/reel/26031781696428290

Healthy idly or dosa

https://www.facebook.com/reel/1664715948240353

3d View of any place on earth

https://www.facebook.com/reel/1392776918690929

topoexport.com

AI CAD designer of mechanical parts for 3d print

 https://www.facebook.com/reel/929998566254609 

Popular short audio add ins for youtube videos

https://www.myinstants.com/ 

India specific:

Myinstants | The largest instant sound buttons website in India!

Unlock traffic police no-parking wheel holder

 How can you unlock the no-packing car wheel holder? watch this:

https://www.facebook.com/reel/4176866045884315

File Sharing site

 

https://filepizza.com

https://www.facebook.com/reel/1194234902344925

Self learn sites

https://www.mindluster.com/

Learn origami, GIT and many more topics for free.

Repair steps for home appliances(Refrigerator, Fridge, AC, COOLER, Ovan etc)

https://www.repairclinic.com/

Demo: https://www.facebook.com/reel/747744398019910

Paywall remover or ad remover

https://removepaywall.com

For youtube ad removal add "-" after "t" in https://www.youtube.com

 

Demo: https://www.facebook.com/reel/785482030522934

Want to explore foreign cities for free?

 Try this site:

https://www.citywalki.com/

Example: 

https://www.citywalki.com/singapore?type=walk

Difference between Beer, Rum, whisky, scotch, brandy and other alcohols or spirits

https://www.facebook.com/reel/859629880406175

Effects of alcohol: https://www.facebook.com/reel/1623428632166373

Youtube Video summarizer

 

https://www.facebook.com/reel/2401412080284558

DIY HOME Fruit plucker

 

Needed:

Used juice bottle and a stick.

Demo: https://www.facebook.com/reel/24940055575694310

Travel animation for social media posts(air, bus, car etc.)

Travel animation for social media posts(air, bus, car etc.)

Demo: https://www.facebook.com/reel/732013119638731

https://mult.dev/

Agriculture: 45 degree bent Papaya tree

Agriculture: 45 degree bent Papaya tree

 Link: https://www.facebook.com/reel/709194828721572 

https://www.facebook.com/reel/910900367948885

Many Developer tools in one place

 

SEOStudio Tools

SEOStudio Tools is a cutting-edge, user-friendly online platform that offers website owners, content creators, and digital marketers a set of free SEO, YouTube, and Webmaster tools. Our platform is designed to ensure that you can effectively track, analyze, and optimize your online presence.

With SEOStudio, you can dive deep into the heart of your website's SEO performance. Our tools provide real-time insights and in-depth analysis, allowing you to identify strengths, weaknesses, and areas for improvement. Uncover valuable data about keywords, backlinks, and more to fine-tune your SEO strategy and elevate your website's visibility on search engines.

For content creators and YouTubers, SEOStudio allows effortlessly to monitor your YouTube channel's performance, track videos, and channels, and discover high-impact keywords to drive more views, subscribers, and engagement. Enhance your YouTube presence with data-driven decisions, and watch your channel soar to new heights.

For webmasters and digital marketers, SEOStudio offers a comprehensive set of free webmaster tools and digital marketing resources. From website analysis and performance to content planning and more, we've got you covered every step of the way.

Whether you are a seasoned SEO expert, a budding content creator, or a business owner looking to boost your online presence, SEOStudio is the ultimate companion to fuel your growth. 

Reference: https://www.facebook.com/reel/2529833370822593

kids paper toys sites

 Facebook:

https://www.facebook.com/profile.php?id=61572213676370&sk=reels_tab

Straw grabber:

https://www.facebook.com/reel/2007956576672052

Full videos:

https://www.facebook.com/profile.php?id=61550791840704&sk=reels_tab

Airplane, propeller, Wing

https://www.facebook.com/reel/1470055737894082

Free AI Legal advice from Govt. of India

 Do you have some law related question in your mind and want to find if it is legal? Try the Govt. of India lega AI bot named Nyay Setu. 

WhatsApp No. : 72177 11814

Reference:

https://www.facebook.com/reel/1509167933713703

Froggit: Git Without the Headache

 If you use Git regularly but still find yourself Googling commands or fixing mistakes after a rushed git rebase, Froggit might be exactly what you need.

Froggit is a free, open‑source terminal user interface (TUI) tool that makes Git version control more approachable and less error‑prone. Instead of remembering dozens of commands and flags, you interact with Git through a clean, keyboard‑driven interface right inside your terminal.

Why Froggit?

Git is powerful, but its command syntax can be intimidating—especially when switching branches, resolving conflicts, or editing commits. Froggit simplifies these workflows by:

• Presenting common Git actions in a clear, visual layout
• Reducing the need to memorize complex commands
• Helping you understand what’s happening before you execute changes

You still get the speed and scriptability of the terminal—just without the constant context switching or fear of messing things up.

Built for Developers Who Live in the Terminal

Unlike full GUI Git clients, Froggit stays true to terminal workflows. It fits naturally into your development setup, whether you’re working over SSH, inside tmux, or on a remote server. Everything is keyboard-focused, fast, and distraction-free.

Open Source and Free

Froggit is hosted on GitHub and completely free to use. Being open source means you can inspect the code, customize it, or even contribute improvements back to the community.

References:

https://github.com/thewizardshell/froggit

Ethical hacking tools(security cameras)

 Man in the middle attack tool for Wifi based IOT devices like security cameras:

https://github.com/nmatt0/mitmrouter

Reference video:

https://www.youtube.com/watch?v=GfAXgR1pr6A

Git version control

 Want to learn GIT version control commands in one short video? Take a look at this.

https://www.facebook.com/reel/1519958102599118

Discover Binary Ninja Free

Binary Ninja Free is a downloadable, locally-run reverse engineering tool designed for non-commercial use or evaluating its functionality. It serves as an accessible entry point into the powerful world of Binary Ninja, which is widely used by cybersecurity experts, malware analysts, and software reverse engineers

What You Get for Free

• Save/load analysis sessions: Work on your binaries over multiple sessions.
• Customizable UI & integrated debugger: A user-friendly interface paired with built-in debugging.
• Unlimited analysis threads: No restrictions on parallel analysis.
• Support for common file formats: PE, Mach-O, ELF, and more

It's ideal for students, hobbyists, or professionals wanting hands-on experience without shipping files to the cloud.

Important Limitations

While Binary Ninja Free is powerful, it has a few constraints:

• Architecture support: Only x86, x86_64, and ARMv7 decompilation are available.
• Intermediate languages: Limited to Disassembly, HLIL, and Pseudo-C ILs.
• No API or plugin ecosystem: Scripting, automation via the API, and utilizing community plugins aren’t supported. Access to the Sidekick service is also unavailable. 
• No SCC or Linux-aarch64 client support.
• Theming is limited.
• Restricted to non-commercial use.

Paper vs. Practice

Binary Ninja offers two free tiers:

1. Binary Ninja Cloud – A browser-based client supporting multiple architectures and collaboration features but requiring file uploads.
2. Binary Ninja Free – A native desktop app that ensures privacy and local execution but with fewer features and architecture support.

Why It’s Worth Trying

Binary Ninja Free gives you a taste of a professional-grade reverse engineering platform without financial commitment. You can explore core features—debugging, decompilation, and graph-based analysis—while keeping your data secure on your own machine. If you find yourself wanting expanded architecture support, scripting, or plugin use, upgrading to a paid version is a natural next step.

Get Started

Ready to dive in? Head over to binary.ninja/free to download for Windows, macOS, or Linux and start exploring the world of reverse engineering tools available right at your fingertips.

Happy reversing!

CyberChef: The Swiss Army Knife for Data Analysis and Transformation

 In the world of cybersecurity, data manipulation is a daily necessity. Whether you’re decoding a Base64 string, converting binary to text, or analyzing hashes, having a versatile tool at your fingertips can save hours of effort. Enter https://cyberchef.org/ — a free, web-based tool often called the “Cyber Swiss Army Knife.”

What is CyberChef?

CyberChef is an intuitive platform designed for performing a wide range of data operations. It’s browser-based, meaning no installation is required, and all processing happens locally, ensuring your data stays secure.

Key Features

• Drag-and-Drop Interface: Build complex workflows by simply dragging operations like Decode, Encrypt, or Parse.
• Supports Multiple Formats: From Base64, Hex, and URL encoding to advanced cryptographic functions.
• Search and Filter: Quickly find operations among hundreds of available options.
• Offline Capability: Works without an internet connection, making it ideal for secure environments.

Why Use CyberChef?

• Efficiency: Automate repetitive tasks with custom recipes.
• Flexibility: Handle everything from simple text conversions to forensic-level data analysis.
• Accessibility: Runs entirely in your browser, no dependencies required.

Use Cases

• Decoding encoded strings during penetration testing.
• Analyzing malware samples by converting binary data.
• Hashing and verifying file integrity.
• Parsing logs and extracting meaningful insights.

---

Final Thoughts:
CyberChef is more than just a tool — it’s a productivity booster for anyone dealing with data transformations. Whether you’re a security analyst, developer, or digital forensics expert, CyberChef deserves a spot in your toolkit.

Understanding Different Types of SSD Storage: MLC, TLC, and More

 Solid-State Drives (SSDs) have revolutionized storage technology with their speed, reliability, and efficiency compared to traditional hard drives. However, not all SSDs are created equal. The type of NAND flash memory inside an SSD significantly impacts its performance, endurance, and cost. Let’s break down the most common types:

1. SLC (Single-Level Cell)

• What it is: Stores 1 bit per cell.
• Pros: Extremely fast, highly durable (highest write endurance).
• Cons: Very expensive, limited capacity.
• Use Case: Enterprise servers, mission-critical applications.

2. MLC (Multi-Level Cell)

• What it is: Stores 2 bits per cell.
• Pros: Good balance of speed, endurance, and cost.
• Cons: Lower endurance than SLC.
• Use Case: High-performance consumer SSDs, professional workloads.

3. TLC (Triple-Level Cell)

• What it is: Stores 3 bits per cell.
• Pros: Affordable, higher capacity.
• Cons: Slower write speeds, reduced endurance compared to MLC.
• Use Case: Mainstream consumer SSDs, gaming PCs.

4. QLC (Quad-Level Cell)

• What it is: Stores 4 bits per cell.
• Pros: Very high capacity at low cost.
• Cons: Lower endurance and performance.
• Use Case: Budget SSDs, read-heavy workloads like media storage.

Key Takeaways

• SLC > MLC > TLC > QLC in terms of endurance and speed.
• More bits per cell = cheaper and higher capacity, but less durability.
• Choose based on your needs: performance vs. cost vs. longevity.

Reference:

https://www.youtube.com/watch?v=3_n-nh4tBjI

Why Port Forwarding Doesn’t Work on JioFiber (and How to Fix It)

 If you’re using JioFiber with a Jio Centrum router and have tried enabling port forwarding, you might have noticed that external port checkers still report your ports as closed. This is a common frustration for gamers, developers, and anyone hosting services at home. Let’s break down why this happens and what you can do about it.

The Root Cause: Carrier-Grade NAT (CGNAT)

JioFiber uses Carrier-Grade NAT (CGNAT) to manage IPv4 address shortages. Instead of giving you a unique public IP, Jio assigns your router a private IP and shares a single public IP among multiple customers.

How to Check if You’re Behind CGNAT

• Log into your Jio router and note the WAN IP.
• Compare it with the IP shown on https://whatismyip.com.
• If they differ, you’re behind CGNAT.

Result: Inbound traffic from the internet cannot directly reach your router, making port forwarding ineffective.

Other Possible Reasons

• ISP Port Blocking: Some ports (like 80, 443, 25) are blocked for security.
• No Public IPv4 or IPv6: Without a public IP, external access is impossible.
• Port Checker Limitations: A port will only show as open if a service is actively listening on it.

Solutions

1. Request a Static Public IP from Jio

   • This is usually a paid add-on. Once you have a public IP, port forwarding will work as expected.

2. Use IPv6

   • If Jio provides IPv6 and your devices support it, you can bypass CGNAT.

3. VPN with Port Forwarding

   • Services like OpenVPN or WireGuard can help you create a tunnel with port forwarding.

4. Reverse Tunneling

• Tools like ngrok, Cloudflare Tunnel, or ZeroTier allow you to expose local services securely without needing a public IP.

CGNAT is great for ISPs but a headache for users who need inbound connections. The easiest fix is to request a static public IP or use tunneling solutions. If you’re hosting a game server, a home automation dashboard, or any service that needs external access, these steps will save you hours of frustration.

How to Enable and Use IPv6 on Jio Centrum Router

Unlike IPv4, IPv6 provides globally unique addresses, eliminating the need for NAT and making remote access easier. In this section, we’ll walk through how to enable and use IPv6 on your Jio Centrum router. The only catch here is your server should support IPv6.

Why Use IPv6?

• No CGNAT Issues: Each device gets a unique global IP.
• Better Connectivity: Ideal for hosting servers, gaming, and IoT.
• Future-Proof: IPv6 adoption is growing rapidly.

Step 1: Check IPv6 Availability

1. Log in to your Jio Centrum router admin panel (usually http://192.168.29.1).
2. Navigate to Network Settings → WAN → IPv6.
3. Ensure your ISP (Jio) has assigned an IPv6 prefix. If not, contact Jio support to enable IPv6.

Step 2: Enable IPv6 on Router

1. In the IPv6 settings, select Connection Type: DHCPv6 or SLAAC (Jio typically uses SLAAC).
2. Apply changes and reboot the router.
3. Verify that your router now shows an IPv6 address under WAN status.

Step 3: Enable IPv6 on Devices

• Windows:
  • Go to Network & Internet Settings → Adapter Properties.
  • Ensure Internet Protocol Version 6 (TCP/IPv6) is checked.
• Linux/macOS: IPv6 is usually enabled by default.
• Mobile Devices: Check under Wi-Fi settings.

Step 4: Test IPv6 Connectivity

• Visit https://test-ipv6.com to confirm IPv6 is active.
• You should see a global IPv6 address and a successful connectivity score.

Step 5: Access Devices via IPv6

• Find your device’s IPv6 address (e.g., ipconfig on Windows or ifconfig on Linux).
• Use this address to connect remotely.
• ssh user@[your-device-IPv6]
• Ensure your firewall allows IPv6 traffic.

Security Tips

• IPv6 removes NAT, so devices are directly reachable.
  Always enable firewall rules to restrict unwanted access.

Final Thoughts

IPv6 is the easiest way to bypass CGNAT limitations on JioFiber. Once enabled, you can host servers, access home devices remotely, and enjoy a more open internet experience.

References :

https://www.youtube.com/watch?v=tijjVAnR6Us
https://www.youtube.com/watch?v=60_XWHoo-GA