Sony ULT Wear WH-ULT900N Main Control Board OEM Replacement Parts sm-t638 sim card reader replacement and condition grades

and condition grades

The Gear IconX lets you switch songs

the only difference is slightly slower battery preservation while stored

If you lost screws during a repair or need to replace stripped or damaged screws

Sony ULT Wear WH-ULT900N Main Control Board OEM Replacement Parts sm-t638 sim card reader replacement and condition gradesThis is the original OEM main control board for the Sony ULT Wear WH ULT900N headphones. The central processing board that handles Bluetooth connectivity, ANC, audio processing, and all core headphone functions. A direct replacement for a failed or damaged main board. Brand: Sony (OEM Original) Condition: Grade A Excellent Fits Models: Sony ULT Wear WH ULT900N Key Features: Genuine OEM pulled part, tested and fully functional Board number 400410