USB C Kopfhörer mit Mikrofon In-Ear Kopfhörer für Samsung Galaxy S26 S25 S24 S23 Ultra S22 S21 FE A56 A55 A35 A54 5G A16 USB C Headset mit Lautstärkeregler für iPhone 15 16 17 Pro Max Air iPad 10 — Error codes & fixes
Troubleshooting guide for the USB C Kopfhörer mit Mikrofon In-Ear Kopfhörer für Samsung Galaxy S26 S25 S24 S23 Ultra S22 S21 FE A56 A55 A35 A54 5G A16 USB C Headset mit Lautstärkeregler für iPhone 15 16 17 Pro Max Air iPad 10. Diagnose an error code and find the fix.
Wi-Fi connection failure
wifi-connectThe purifier cannot connect to the app or Wi-Fi, blocking remote control and monitoring.
Source: YouTube — repair & troubleshooting videos
Confidence: 60%
Verified Aug 9, 2026
Bluetooth not connecting
bluetooth-not-connectingThe device cannot connect over Bluetooth, often due to a pairing issue or interference.
Source: YouTube — repair & troubleshooting videos
Confidence: 60%
Verified Aug 9, 2026
No sound
no-soundThe soundbar powers on but produces no audio, often from a wrong input, a loose HDMI connection or a muted source.
Source: YouTube — repair & troubleshooting videos
Confidence: 60%
Verified Aug 9, 2026
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