The easiest way to use the WPS function. If for some reason this function does not work, then you have to go to the router and set your password in the wifi tab, press the button to apply or save the settings. That's it, the password is set.
What else can I tell you, that I do not understand how to put a password on my Wi-Fi, but your phone number is not the same from where I know what you need what is wifi or mobile
To change the password for the wifi network and set your own to connect to a wireless signal, you need to go to the control panel of the router and open the wifi settings. Where in the "security key" section change the password to your own. It must be at least 8 characters long and contain letters and numbers.
Detailed instructions for changing the password - https://wifika.ru/kak-smenit-parol-na-wifi-routere-d-link.html
Step 1 Connect to the desired network
In the Wi-Fi settings on your device (laptop, smartphone, tablet, etc.), select the network you need. Usually her name coincides with the name of the router manufacturer. Connect to the desired Wi-Fi network.
STEP 2 192.168.1.1 or 192.168.0.1
Open a browser on your device ... In the browser line, enter the ip-address: 192.168.1.1 or (if the first did not give a result) 192.168.0.1 You should go to the router settings.
STEP 3 Login to the router
You have entered the settings of the router. By default, on routers, the login is admin, the password is admin or 1234. Or the login and password for access are usually pasted on the bottom of the device. Further, the interface may differ for each manufacturer. In the next steps, select the router you need.
Attention! If the proposed login and passwords did not fit, then take the router in your hands, find a small button on it (the size of a needle diameter) about it is usually written RESET. Press this button and hold for 30 seconds (approximately). This is how you reset the router settings to their original settings.
STEP 4 D-Link
On the left, select the Network - WAN item. Find PPP. Next, in the "Password" and "Password confirmation" fields, enter the password you need.
STEP 5 ASUS
Select the item (left) "Wireless" (or "Wireless", or "WAN ", or" Internet "). Select the "General" tab (or "Internet Connection") In the "Pre-Shared WPA Key" item, enter the password for your Wi-Fi. Click "Apply" (or "Apply").
STEP 6 TP-Link
Select "Wireless Security ".
Check the" WPA / WPA2 - Personal (Recommended) "box.
In the" PSK Password "box, enter the password you want.
STEP 7 ZyXEL
Select the icon with the network image below (usually located exactly in the middle).
In the " Network key "enter the password you need.
Click the Apply button.
STEP 8 Zyxel Keenetic
In the Wi-Fi Security Setup window, find the Network Key (ASCII) field and enter the password you want.
STEP 9 MTS
Go to the "Settings" tab.
On the left, select the "WLAN" and "Basic Settings" items.
In the WPA Key field, enter the new password.
Well, everything is simple! First, go to the settings:
Next when you entered:
I looked at the instructions here: https://besprovodnik.ru/kak-ustanovit-parol-na-wi-fi-router/
Everything is simple and easy:
1 Go to the router settings menu. To do this, open a browser and write 192.168.1.1 or 192.168.0.1 in the address bar. Enter your password, usually admin, admin. (You can look at all this data at the stickers that are pasted on the router).
2 Going to the router menu, find the WiFi or Wireless network section. Set the password there!
Very necessary !!!