Wi‑Fi–enabled Cosori air fryer will not connect to the app or frequently disconnects.

Safety first: Network troubleshooting does not require opening the appliance.

• Step 1 – Check network band: Ensure your router's 2.4 GHz band is enabled; many Cosori models do not support 5 GHz.
• Step 2 – Improve signal: Move the air fryer closer to the router or use a Wi‑Fi extender. Avoid placing the unit inside cabinets or behind metal objects.
• Step 3 – Reset Wi‑Fi settings: Follow the Cosori manual to reset Wi‑Fi (often by holding a specific button combination) and re-pair with the app.
• Step 4 – Firmware update: Use the app to check for firmware updates for your model.
• Step 5 – Hardware fault: If connectivity remains unstable and other devices work fine in the same location, the internal Wi‑Fi module / control PCB may be defective and require replacement.