Wet Samsung S21 Ultra: Step by Step Recovery Guide

Today, we dive into a common dilemma faced by Android users: moisture damage. Join Leonardo as he skillfully navigates through the intricate process of reviving a water-damaged phone, starting with the crucial first step of disconnecting the battery to prevent any potential short circuits on the motherboard.
In this video, Leonardo takes you through the step-by-step procedure, beginning with the removal of the housing screws using a standard or electric Phillips screwdriver. Witness the careful detachment of the NFC antenna, followed by the meticulous disconnection of all motherboard connectors, including those for the display, sub-motherboard, and earpiece.
Given the moisture-afflicted state of the board, Leonardo highlights the importance of a gentle extraction to avoid damage from rust adhesion. The visible corrosion on the motherboard and chassis underlines the severity of the damage, setting the stage for one of the most critical steps in the repair process: the visual inspection. This essential phase allows us to gauge the extent of the corrosion and determine the viability of a successful repair.
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Armed with a high-quality microscope connected to a display, Leonardo embarks on a detailed inspection, followed by a manual cleaning using a contact cleaner, which is preferred over isopropyl alcohol for its protective oils and specialized chemical composition. For stubborn rust, a contact cleaner and brush come in handy, with each connector receiving thorough attention.
Leonardo shares valuable tips for those new to the field, emphasizing the importance of education and experience. Before proceeding with further cleaning, assessing the motherboard's power consumption is vital to ensure its recoverability.
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Using a flex from a recycled battery, Leonardo demonstrates how to power up the phone, monitoring real-time consumption through a lab power supply. This step confirms the motherboard's functionality, paving the way for a comprehensive cleaning of the device. Experience plays a key role here, as Leonardo explains how certain damage patterns, like a burnt-in display, can be inferred from power consumption data.
After a thorough cleaning using cotton swabs, tweezers, and contact cleaner, Leonardo introduces a JBC metallic brush for persistent corrosion. He promises to provide purchase links for this and other essential tools, like the electric screwdriver, in the video description.
Leonardo transparently discusses the repair cost, around 100 euros, considering it's a high-end device. He explains the pricing dynamics based on regular customers, online repairs, and additional shipping costs, emphasizing the value of transparency and experience. He warns against cutting corners, especially in a profession where experience significantly influences outcomes.
Highlighting the importance of understanding device power consumption, Leonardo shares insights from his intensive three-hour course designed to help technicians grow in their field. He concludes with a valuable tip for new technicians: invest in ongoing education.
Leonardo wraps up the video by reassembling the device and accessing Samsung's hidden menu to verify full functionality, ensuring the phone operates at 100%. Join Leonardo on this enlightening journey through the nuances of mobile repair, and don't forget to tune in for more insightful content.
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Amscope 3.5 - 90X Simul Focal Trinocular

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