If you want, I can convert this into a vendor-specific troubleshooting flowchart (e.g., Samsung, Qualcomm, MediaTek) or produce a one-page technician checklist. Which would you prefer?

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If you want, I can convert this into a vendor-specific troubleshooting flowchart (e.g., Samsung, Qualcomm, MediaTek) or produce a one-page technician checklist. Which would you prefer?