wifi-connect
Troubleshooting
Wi-Fi connection failure on the Samsung Galaxy A57 5G, 8+128GB, Gray | Dual SIM
Source: Samsung TV support — no signal / HDMI
Confidence: 80%
Verified Aug 9, 2026
The purifier cannot connect to the app or Wi-Fi, blocking remote control and monitoring.
How to fix Wi-Fi connection failure
Reconnect to Wi-Fi
Reconnect the device to your Wi-Fi network in the settings.
Source: Samsung TV support — no signal / HDMI
Confidence: 80%
Verified Aug 9, 2026
Restart the router
Power-cycle your router and retry the connection.
Source: Samsung TV support — no signal / HDMI
Confidence: 80%
Verified Aug 9, 2026
Replacement parts for the Samsung Galaxy A57 5G, 8+128GB, Gray | Dual SIM
Samsung samsung-galaxy-a57-5g-8128gb-gray-dual-sim-2 Replacement Battery
Samsung samsung-galaxy-a57-5g-8128gb-gray-dual-sim-2 Mounting Bracket
Samsung samsung-galaxy-a57-5g-8128gb-gray-dual-sim-2 Power Adapter
Samsung samsung-galaxy-a57-5g-8128gb-gray-dual-sim-2 Faceplate
← All Samsung Galaxy A57 5G, 8+128GB, Gray | Dual SIM error codes
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