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Samsung Galaxy A15 WiFi, Bluetooth, or GPS not working? This professional hardware repair tutorial provides a 100% working solution for the SM-A155 WiFi IC and antenna signal issues.
In this technical guide, we diagnose the Samsung A15 motherboard to fix greyed-out WiFi and Bluetooth switches. We cover essential voltage checks, WiFi IC reballing, and GPS antenna track jumpers. Designed for mobile technicians in the USA, UK, Canada, and Germany, this video ensures a high-success rate for smartphone wireless connectivity repairs using professional schematic tools and diagnostic methods.
Samsung A15 WiFi IC replacement and reballing process
WiFi/Bluetooth/GPS section voltage rail testing (VREG)
Repairing greyed-out WiFi and Bluetooth toggles
GPS signal strength enhancement and antenna track repair
Professional motherboard troubleshooting for Samsung A-series
Compatible Models: Samsung Galaxy A15 (SM-A155F, SM-A155G, SM-A155M, SM-A156B).
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