A customer has brought in a mobile device that has been accidentally submerged in water. The device powers on, but the touchscreen is unresponsive. After confirming that no other physical damage is visible and checking that the device is out of warranty, what is the BEST next step to take in resolving this issue?
Replace the touchscreen immediately as it's the most likely component to fail due to liquid exposure.
Update the device's software to the latest version to ensure that the unresponsiveness isn't due to software issues.
Disassemble the device to inspect for corrosion and residual moisture, then clean and dry the interior components.
Perform a factory reset to eliminate any system errors causing the touchscreen to be unresponsive.
Disassembling the device to inspect for corrosion and residual moisture is the best next step because the touchscreen may be unresponsive due to short circuits or corrosion from the liquid damage. Thoroughly drying the interior components and cleaning any corrosion could restore functionality. Replacing components, updating software, and doing a factory reset may not resolve the issue if there is residual moisture or corrosion from the liquid damage. These actions should be carried out after ensuring that the interior of the device is dry and free from corrosion.
Ask Bash
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What tools are needed to safely disassemble a device for inspecting liquid damage?
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How does liquid exposure cause corrosion and why does it affect device performance?
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Why is it important to confirm there is no physical damage before disassembling a device?