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So here are your needs:
WiFi, which uses pins 4, 10, 11, 12, 13. I know you said that you don't need pin 4 since no SD, but because that pin switches on/off the SD card, if you use it at all, the SD card will be enabled.
LCD, which uses pins 4, 5, 6, 7, 8, 9. The standard Arduino LCD library ca...