Slow SMB speeds over Wifi

Hello, I need some help optimizing SMB speed when connected to Wifi. I don’t have any problems over Ethernet. Speeds: File transfer from NAS to windows laptop over ethernet 115 MB/s File transfer from NAS to windows laptop over Wifi 15-25 MB/s File transfer from NAS to Android phone with SMB2 60 MB/s File transfer from NAS to Android phone with SMB3 35 MB/s (why slower than SMB2?) Internet speed test with Wifi on laptop 135 MB/s (1g from ISP) File transfers were done with 10GB 4k BD Rip ...