Many K2501 devices include a hidden diagnostic menu. Dial *#*#2501#*#* in a keypad (or use a terminal app). Run the following tests:
: Features a 32-band EQ and DSP (Digital Signal Processor) for high-quality sound. 💡 Important Tips i--- Nwd K2501-t5- Update
: Users of the NWD-K2501 (T5) have reported distorted audio when using wireless Samsung Galaxy S24 connections, which a firmware update can sometimes resolve. CarPlay/Android Auto Stability : Updating the "ZLink" or "TLink" app via the Play Store Many K2501 devices include a hidden diagnostic menu