Dead iPhone 14 Pro Max? The fault may be a BB PMIC short.
A real case where a no-power symptom turned out to be a specific baseband power-management short.
Read the guideGuide collection
Case files from real repair investigations.
These are the closest pages to the actual bench work: what the device looked like when it arrived, what the true failure turned out to be, and why quick assumptions would have missed it.
iPhone 12 Pro no WiFi: when the fault sits in the sandwich board.
Why a no-WiFi iPhone can be a board-layering issue rather than a simple antenna or software problem.
Read the guideDead iPhone 13 Pro diagnosis: shorted U8300 audio IC.
A clean example of why dead-phone diagnosis needs fault isolation at component level, not guesswork.
Read the guideiPad flashing Apple logo after water damage: not every boot loop is a storage fault.
An iPad case where the symptom pointed one way, but the actual root cause was corrosion at the battery connector.
Read the guideNeed proper fault finding
Book the route that starts with diagnosis, not guessing.
When the device symptom is broad, the right next step is a proper assessment before any repair is approved.