XGSM Guides
Learn before you repair
An informed customer makes better decisions — and for us that's exactly the point. Here you'll find guides written simply, without jargon, to help you understand phone parts: what “original” means, what “aftermarket” means and how to choose the right variant for your phone and budget.
Original vs. Aftermarket: the complete guide
What an original (service pack) part really means, what you get from aftermarket and OEM, and how to choose by part, budget and phone age.
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Phone part grades explained
Original, OEM, Aftermarket A+, Aftermarket standard and Refurbished — what each grade means, with pros, cons and who it suits.
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Common phone defects
iPhone touch disease, the Galaxy green line, swollen batteries, dead charging ports — the symptoms that give away the defect and what the repair involves.
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Phone anatomy — interactive 3D teardown
Scroll the page and watch the phone come apart layer by layer: display, frame, mainboard, battery, cameras and flexes — explained for everyone.
Read the guideAlready have a concrete problem?
Request a quote for the part or repair you need — we reply within 24h.