Xiaomi Mi 11 Camera Issue Repair

The Mi 11 camera not working issue repair. Model: Xiaomi Mi 11 Released: 2021, January 01 Defect Phenomenon Besides the camera function issue, the phone can work normally. Turn on the camera to test, the screen will turn black for 1-2 seconds, then appear the camera button and exits automatically. Troubleshooting The camera turns off […]

HUAWEI P40 Repair Cases Sharing

HUAWEI P40 repair cases sharing. Model: P40 Announced: 2020, March 26 Case 1. The cameras turn off automatically and Wi-Fi cannot work Received the phone and tested it, as the customer described the phone camera turns off automatically, and try to open the Wi-Fi button but it turned to grey shortly. Troubleshooting: based on the […]

HUAWEI P40 Pro Water Damage Repair

Received a HUAWEI P40 Pro water damage phone, as the customer described, the phone with very slight water ingress. However, many function failures happen Both the front and the rear camera turn off automatically No ringtone function Troubleshooting More than two function failures happen, normally, should be caused by the shared power supply or the […]

HUAWEI P40 Pro Repair Cases

HUAWEI P40 Pro repair cases experience sharing. Model: HUAWEI P40 Pro Announce date: March 26, 2020 Case 1. The mobile phone can be used normally, but with current leakage and consumes power quickly. Connect the motherboard with the DC power supply and find there’s a current leakage of 200mA. Then separate the two layers of […]

How to Fix iPhone XR Unable to Activate (NFC Chip Repair Guide)

When trying to activate your iPhone XR, are you stuck on the activation screen no matter what you try? You’re not alone. Many users face the frustrating “iPhone XR unable to activate” issue, which can result from system, hardware, or chip-level problems. In this article, we’ll guide you through the exact steps to troubleshoot and […]

How to Fix iPhone XR Baseband Issue: Full Repair Guide

Facing a baseband issue on your iPhone XR? This common problem can prevent the device from activating, displaying “No Service,” or failing to detect a mobile network altogether. In this article, we guide you through a real-world iPhone XR baseband issue repair case — covering precise diagnostics, baseband CPU resoldering, and transceiver IC replacement. Whether […]

Real iPhone XR Repair Cases: Boot Failure, No Display, Speaker Issues & Baseband Fixes

The iPhone XR remains a popular device, but like any smartphone, it’s not immune to hardware issues. Whether you’re a professional technician, repair shop owner, or DIY enthusiast, understanding real-world failure cases can help you troubleshoot and fix common problems more efficiently. In this article, we share four practical iPhone XR repair cases covering issues […]

SAMSUNG S10 Plus Repair Cases Sharing

SAMSUNG S10 Plus Repair Cases Case 1. Customer feedback: phone can not boot during normal use. Connect with DC power supply, the current fix at 80mA. Tried to connect with the computer, but it’s reported the cellphone is in 9008 mode, which means the UFS cannot be recognized by the CPU. Disassemble the phone and […]

HUAWEI Mate 40 Pro Repair Cases

HUAWEI Mate 40 Pro Repair Cases Sharing Case 1 Cannot boot issue, the boot current curve is abnormal, fixed at 80mA. This kind of issue, based on repair experience it’s normally caused by the CPU poor soldering. Finally, the issue gets fixed by CPU reballing. Case 2. No display after very serious drop damage. The […]

MacBook A1502 No Charging and Keyboard Not Working Repair

MacBook A1502 No Charging and Keyboard Not Working Repair Process. Model: A1502 Board No.: 820-4924 Defect Phenomenon: Connect with DC power, the green light is not on, and there is a current value on the DC power supply. Detach the DC power supply, the battery can discharge normally.  Enter into the system and test function, […]

iPhone 12 Mini Repair Cases Sharing

Two iPhone 12 mini repair cases sharing. Case 1. No Baseband and No Wi-Fi The phone was drop-damaged, so there is a high chance the issues are caused by the pads between two layers getting lost or poor soldering. First, separate the two layers of the motherboard with a heating platform. After that, we can […]

iPhone 12 Pro Common Issue Repair Cases

iPhone 12 Pro common issue repair cases sharing based on repair experience. C2164 short damage This is one of the most common reasons for the large current leakage issue. Let’s find the location on the motherboard and Refox bitmap. * The C2164 is relative to the PP_VDD_MAIN, if gets damaged will have a large current […]