fatload mmc 0:1 0x21000000 tf_recovery.img
sf probe 0
sf erase 0x50000 0xFB0000
sf write 0x21000000 0x50000 0xF90050
reset

root

cat << 'EOF' > /mnt/data/wpa.conf
ctrl_interface=/var/run/wpa_supplicant
update_config=1
network={
    ssid="точка"
    psk="пароль"
    key_mgmt=WPA-PSK
}
EOF

cat /mnt/data/wpa.conf


cat << 'EOF' > /mnt/data/bin/wifi_start.sh
#!/bin/sh
sleep 5
killall wpa_supplicant udhcpc hostapd udhcpd
ifconfig wlan0 up
iwconfig wlan0 mode Managed
wpa_supplicant -Dnl80211 -iwlan0 -c /mnt/data/wpa.conf -B
sleep 5
udhcpc -i wlan0 -t 10 -T 2 -n -S -x hostname:mijia_camera_v4
EOF

chmod +x /mnt/data/bin/wifi_start.sh

cat /mnt/data/bin/wifi_start.sh