Power-On Self-Test (POST) – iPhone Motherboard Repair Center

Return to course: Semester One 2021 – 2025

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Semester One 2021 - 2025

Change logs

00 - Voltage
01 - Capacitor
02 - Ground
03 - Coil
04 - Diode
05 - Resistor
06 - MOSFET
07 - Clock
08 - IC Location and Motherboard Layout

Intro - Heat Master Vision
Before you follow my way...
Exam Heat Control #1
Fishtail Technique
Armor
Hitpoint (Health Point)
Heat Transfer Technique
Indirect vs Direct Heat Transfer
Soldering iron temperature

Why I don't use solder wick?
How to calibrate Hot Air Station Quick 861DW
Some missing components
True Tone

Recommended Tools
iPhone X
iPhone XS / XS Max
Reinstall Layer without Reball
iPhone 11 Pro / 11 Pro Max
iPhone 12 Pro
iPhone 15 Series

01 - Intro and ZXW
02 - WuXinJi
03 - XZM / XZZ

Intro
PANIC troubleshooting
PANIC Diagnosis Methods
JC PANIC Analyzer (2024)
PANIC in iPhone 13, 14, 15

01 - IC Position
02 - Soldering Small Components
03 - Jumper
04 - Repair Missing Solder Pads
05 - UV Masking Glue
06 - Measure Resistance
07 - Reball
08 - Reball v2

Tristar IC under the shield
Trinity IC removal and reinstall in a safe way
Remove iPhone 6/6P/6S/6SP Baseband Shield
FPC Connector Reinstall
iPhone X SIM Holder Removal and Install
Progress Update 15 Aug 2021
iPhone XR NAND Removal and Install
iPhone XR WiFi Removal and Install

Recorded Live Class 27 Aug 2021
Resistance Logic Exam v1
After the Live Class...

Power Button and Volume buttons
Power-On Self-Test (POST)
Button Circuit New Component

One Question Exam

NTC

Resistance Logic Troubleshoot Level 1
Circuit Troubleshooting and Custom Solution

Apple Activation Rules and Convert iPad
iPad WiFi Unlocking

Power-On Self-Test (POST)

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