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26/09/2026

Why is your multimeter showing a wrong reading? ⚠️📱 Understanding resistor lines and circuit tracing is key to finding real faults on a motherboard



22/09/2026

How to Disable Driver Signature Enforcement in Windows 10 💻⚙️

Struggling to install unsigned drivers or older programming tools like the IP Box on Windows 10 64-bit? Here is a quick and permanent way to disable driver signature enforcement using Winaero Tweaker to get any driver running smoothly!

Save this post for later 📌 and share it with someone who might find it helpful..

21/09/2026

Watch these DC power supply readings while servicing an iPhone! ⚡🛠️Understanding normal booting values and standby current draw is key to diagnosing overnight battery drain and board leakages before replacing parts.

Save this practical technician guide for your next repair! 📌

20/09/2026

Why iPhones die again even after replacing the battery 📲⚡

When a customer's phone powers off completely after a full battery drain, simply replacing the battery isn't always the permanent fix. Often, the root cause lies in the charging section—specifically the Tristar IC.

In this video, we demonstrate how to diagnose this fault without even connecting the battery, using DC supply current readings and battery connector voltage checks.

Save this post for your workbench reference
📌Follow for more chip-level diagnostic insights!..

19/09/2026

Understanding the iPhone Taptic Engine circuit and common vibration issues:

In this video, we break down how the solenoid mechanism operates and how to trace Taptic Engine lines using schematic diagrams. We also cover how controlling audio ICs affect vibration performance.

A practical guide for technicians looking to diagnose board-level vibration faults with precision.

Save this post for your daily workbench reference
📌Follow for more chip-level repair insights...

16/09/2026

Struggling with a dead phone? 📱⚡️

Here is how to test whether the issue is with the Power IC or the CPU line by checking the Buck Coil voltages.

Watch till the end & save this for your next motherboard repair! 🔧



15/09/2026

SIM inserted, but the reading changes? 🤔
Understanding the SIM Detection Logic can make fault finding much easier.

In this video, we break down how the reading changes when the SIM is inserted or removed — and how technicians can use this logic to identify faults faster. 🔍⚡

📌 Learn the logic.
📌 Check the reading.
📌 Find the fault with confidence.

Save this Reel for your next SIM-related troubleshooting! 🔧

13/09/2026

🔍 Find Components Faster with Schematics!

Learn how to use Schematic + Layout to quickly find the right component on the board. 📱🔧

⚡ Simple concept
🧠 Smart troubleshooting
🛠️ Useful for every technician

Learn it. Find it. Fix it. 🔥

12/09/2026

Lost the dot on your IC? Don’t panic! 🔍✨

Here’s the ultimate hack to find the exact IC position using schematics and multimeter line tracing. Master your chip-level skills with ease! 🛠️📱

Save this reel for your next repair desk emergency! 📌

👉 Follow for more daily tech tricks!

12/09/2026

⚠️ Audio IC removal gone wrong? Don't kill the board! 🛠️🔥

Chip-level rework needs extreme precision. Without proper heat management and technique, here is what goes down:

⚡ Leakage & High Heat: A tiny scratch while lifting the IC triggers heavy power leakage.

📳 Haptic Engine Off: Disturbing the nearby center chip knocks out vibration feedback completely.

💀 Dead Set / Boot Loop: Overheating dries out the NAND/eMMC or damages the CPU for good.

🎯 Fix: Controlled temperature + clean reballing = zero risk.

📺 Watch the full guide on YouTube:

🌐 Level up your skills: bfixlearning.com



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