Troubleshooting notes from REWA Tech focused on fault finding, board issues, and the symptoms shops see every day.
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Notes de dépannage REWA Tech axées sur la recherche de pannes, les problèmes de carte et les symptômes que les ateliers observent chaque jour.
8 juillet 2022
Water damage can be a major setback for any smartphone, especially when it leads to issues like a non-functional display or inability to boot. If your HUAWEI Mate 40 Pro has encountered water exposure and now refuses to power on or shows display problems, don’t worry—there’s hope for repair. In this guide, we’ll walk you […]
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8 juillet 2022
Water damage is one of the most common issues for smartphones, and even high-end models like the HUAWEI P50 Pocket are not immune. If your HUAWEI P50 Pocket accidentally took a dip in seawater and is no longer turning on, don’t worry—we’ve got a detailed repair guide for you. In this article, we’ll walk you […]
6 juillet 2022
If your iPhone 13 has been dropped and now suffers from no signal and Wi-Fi issues, you’re not alone. These problems are often caused by damage to the motherboard, which can result in missing pads and faulty components. In this guide, we’ll walk you through the step-by-step process of diagnosing and repairing an iPhone 13 […]
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4 juillet 2022
Is your iPhone 13 overheating and refusing to power on? This issue can be frustrating, especially when the phone appears new with no visible damage. However, internal component issues are often to blame, particularly with the motherboard and specific capacitors. In this guide, we’ll walk you through the exact steps to troubleshoot and fix an […]
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3 juillet 2022
There are several reasons why an iPhone 13 may not turn on. In this case, someone purchased a second-hand iPhone 13 that cannot boot and asked us to fix the issue. Many second-hand devices face problems such as failing to boot due to prior drops or exposure to water. This guide will walk you through […]
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1 juillet 2022
If an iPhone 12 touch screen not working can be frustrating, especially if it fails after a simple overnight charge. This guide will walk you through troubleshooting and fixing an iPhone 12 touch screen that isn’t responding. We’ll cover each step, from checking for physical damage to identifying and replacing faulty components on the motherboard. […]
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30 juin 2022
Huawei Mate 30 Pro Porsche Edition boot failure after a drop incident can be challenging to diagnose and repair. This guide will walk you through the steps to identify and fix the boot failure issue, from inspecting the motherboard to performing precise repairs on internal connections. With these instructions, technicians and DIY repair enthusiasts can […]
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29 juin 2022
The iPhone 12 Pro Max can experience Wi-Fi issues after a drop, especially if the damage impacts internal components like the PCB layers. This article walks you through diagnosing and repairing iPhone 12 Pro Max Wi-Fi issues caused by drop damage, including transferring encrypted chips and addressing missing connection pads on the Wi-Fi chip itself. […]
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29 juin 2022
An iPhone 13 Pro with a damaged display often won’t turn on after severe drop damage, even when the screen is replaced. This guide offers a step-by-step repair process for iPhone 13 Pro display issue, including diagnostic tips, replacing key components, and safely reassembling the motherboard to restore display functionality and ensure all other features […]
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28 juin 2022
After a serious drop while skateboarding, this iPhone 13 Pro experienced a complete display failure, despite other functions appearing normal. In this detailed repair guide, we’ll walk through diagnosing the root of the issue—caused by a small but critical capacitor failure—and outline the step-by-step process for restoring the display. Device Details Model: iPhone 13 Pro […]
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21 juin 2022
A minor flash issue in an iPhone 12 turned into a major headache for a repair technician. Improper repair practices led to the failure of Wi-Fi and Baseband functions, making the repair far more complicated. This guide will take you through the troubleshooting and repair process for resolving these issues while emphasizing the importance of […]
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17 juin 2022
An iPhone 12 Pro Max that won’t charge and remains stuck at the Apple logo is a repair technician’s challenge. This issue arose after a screen replacement, leading to motherboard problems. This detailed guide explores the troubleshooting process, identifies the root cause, and outlines the steps to replace the defective USB chip. Device Details Model: iPhone […]
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