Logic board issues are where repair shops win or lose their reputation. When a phone has a board-level problem, customers want a guaranteed fix, a fast turnaround, and a low price—three things that often do not match reality. That is why logic board diagnostics should be treated as a risk-based service. Your goal is not to “save every phone.” Your goal is to make smart decisions that protect your margins, your time, and your reviews. What Counts as a “Logic Board Issue” (Deal

Audio complaints can be misleading. This guide helps wireless dealers run quick speaker and mic diagnostics, rule out settings and software issues, and identify real hardware failures before quoting a repair.