Modification and buying guides
Concise notes based on the cited research. Each page states its limits; check the exact model and current source before buying parts or arranging repair.
Mod guides
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iFlash / SD storage upgrade
A model-first planning guide to choosing a flash adapter, checking fit, and testing an iPod storage conversion without treating one board as universal.
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USB-C conversion
A cautious evidence checklist for evaluating USB-C iPod builds; the available research does not support a universal compatibility or installation claim.
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iPod Bluetooth Mod: What to Verify
A model-first guide to separating built-in Bluetooth, external adapters, and internal mod projects before spending money or opening a player.
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iPod battery replacement: plan safely
Identify the exact iPod and replacement cell first, then use a model-specific repair guide; battery work is not one universal procedure.
Buyer guides
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Spot a fake or misrepresented iPod
Use identifiers, honest photos, and working-device checks to investigate a listing; no single label or screen proves authenticity.
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What to check before buying a used iPod Classic
A practical pre-purchase checklist for model identity, condition, basic function, battery warning signs, modifications, and a fair comparison.