How to Fix iTunes Error 4013 on iPhone 7/7 Plus

Video Introduction

<p>iTunes error 4013 is one of the most common problems for iPhone users. iPhone 7 error 4013 is usually caused by pseudo soldering or&nbsp;</p><p>damage of CPU, and also might be related to power supply of baseband PMU or NAND Flash. Since CPU repair is quite difficult, we can&nbsp;</p><p>check power supply of baseband PMU and NAND Flash first. If nothing goes wrong, try to replace a new baseband PMU. In this iPhone&nbsp;</p><p>iTunes 4013 error case, the problem is fixed after baseband PMU replacement. If the problem remains unresolved, we can try to replace&nbsp;</p><p>the NAND Flash. If still not, then check the CPU.</p><p><br/></p><p>Tools Used:</p><p><a href="" target="_self">4 in 1 Integrated Rework Station</a></p><p><a href="" target="_self">Electron Microscope</a></p><p><a href="" target="_self">Digital Multimeter</a></p><p><a href="" target="_self">PCB holder</a></p><p><a href="" target="_self">Straight Tweezer</a></p><p><a href="" target="_self">Paste Flux</a></p><p><a href="" target="_self">Rosin</a></p><p><a href="" target="_self">Solder Wick</a></p><p><a href="" target="_self">PCB Cleaner</a></p><p><a href="" target="_self">Cutting Nipper</a></p><p><a href="" target="_self">Anti-static Plastic Pry Bar</a></p><p><a href="" target="_self">Soft Brush</a></p><p><a href="" target="_self">Sculpture Knife</a></p><p><br/></p><p>Any questions and demands please feel free to contact us at</p><p><br/></p>