Password from Xiaomi router 4C: How to Reset and Restore Access

Xiaomi Router Router 4C โ€” It's a popular home networking solution because of its balance of price, performance and ease of setup, but even experienced users sometimes have a problem: they forget their Wi-Fi password or router's admin panel. This is even more complicated if the device was configured by someone else (such as the provider) and the login data was not recorded.

In this article, we will discuss all possible ways to access Xiaomi. 4C โ€” From standard login/password combinations to hardware resets, youโ€™ll also learn how to recover your Wi-Fi password without losing your router settings, and why you canโ€™t use simple combinations like 12345678 or admin. The material is relevant for all versions of firmware, including global and Chinese (CN ROM).

We warn you right away, if you've bought a router from hand or used it on a corporate network before, standard methods may not work, and you'll need to reset it completely, then you'll need to set it up from scratch, but everything in order.

Standard login and password for Xiaomi Router 4C

The manufacturer sets factory credentials to access the router's web interface. For Xiaomi Router 4C It depends on the firmware version and the region of sale:

  • ๐ŸŒ Global version (Mi Router) 4C Global: login โ€“ admin, password โ€“ admin or empty field.
  • ๐Ÿ‡จ๐Ÿ‡ณ Chinese version (CN ROM): Admin, login, password - last 8-number S/N (serial number) from the sticker on the bottom of the router.
  • ๐Ÿ”„ After the firmware update: if the router was updated through the Mi Wi-Fi App, the password could change to a random combination (see the section "How to find the current passwordยป).

Where do you look for a serial number? Turn over the router and find a sticker that says, S/N. For example, if it is specified S/N: 1234567890AB, password โ€” 12345678 (last 8 figure).

โš ๏ธ Note: If you have purchased a router from a third party, the serial number on the sticker may have been erased or forged, then use the reset method (section 4).

Firmware versionLogin.Password.Note
Global (Stock) ROM)adminadmin or emptyIt works on 90% of devices.
Chinese (CN ROM)adminThe latest 8 figure S/NRelevant for devices purchased in China
ISP firmwareIt's on the sticker.Indicated on a sticker or in a contractIt is often used by Rostelecom, Beeline
After dischargeadminadminIf the discharge is done correctly

If the standard combinations donโ€™t work, try:

  • ๐Ÿ” View the password in the Mi Wi-Fi App (Devices sectionยป โ†’ select router โ†’ ยซWi-Fi settingsยป).
  • ๐Ÿ“ฑ Check the saved passwords on your phone/laptop (instructions in the next section).
  • ๐Ÿ”„ Perform reset to factory settings (section 4).
๐Ÿ“Š What is your Xiaomi router?
4C
4A
4Q
AX1800
Other

How to find the current Wi-Fi password without resetting the router

If you are connected to the Xiaomi network 4C From another device (phone, laptop, tablet), you can extract the password without access to the admin panel:

๐Ÿ“ฑ On Android (no root)

Modern versions of Android hide Wi-Fi passwords by default, but there is a workaround:

  1. Install a file manager with access to system files (e.g. Solid Explorer).
  2. Go to the folder. /data/misc/wifi/.
  3. Find the WifiConfigStore.xml file and open it with a text editor.
  4. Look for the line. <string name="PreSharedKey">...</string> โ€” There's a password between tags.

If the folder is not available, root rights or an alternative method will be required.

๐Ÿ’ป Windows. 10/11

Open the Command Prompt (Win) + R โ†’ enter cmd) and execute:

netsh wlan show profile name="Xiaomi_XXXX" key=clear

Replace. Xiaomi_XXXX In the Security Settings section, you'll have the key contents, which is the password.

๐ŸŽ On macOS

Open the terminal and enter:

security find-generic-password -wa "Xiaomi_XXXX"

The system will request a password from the Mac account - after entering, the password from Wi-Fi will be displayed.

๐Ÿ’ก

If you previously connected to this Wi-Fi from your iOS phone but donโ€™t remember the password, try connecting another one. iPhone/iPad โ€” Apple syncs saved networks via iCloud.

Where is the router's admin panel password stored

The password for logging into the web interface (192.168.31.1) is stored in encrypted form in the router configuration file.

  • ๐Ÿ“ฑ Official Mi Wi-Fi app (if the router is linked to your Xiaomi account).
  • ๐Ÿ–ฅ๏ธ Backup of settings (if you have saved it previously in a.cfg file).
  • ๐Ÿ”ง Operational vulnerabilities (not recommended โ€“ risk of device locking).

The most reliable way to use the Mi Wi-Fi App is:

  1. Open the app and go to the Devices section.
  2. Choose your Xiaomi Router 4C.
  3. Press "Settingsยป โ†’ ยซDevice controlยป โ†’ ยซAdministrator passwordยป.
  4. If the router is linked to the account, the system will show the current password or suggest changing it.

โš ๏ธ Note: If the router was bought from hand and tied to someone else's Xiaomi account, you will need to contact the previous owner to unbundle. Otherwise, the only way out is a hardware reset (section 4).

If the application doesn't help, check if the backup of the settings is saved on your computer (miwifi.bin or config.cfg) can be opened by a text editor and find a line admin_password=. However, the password is encrypted there โ€“ specialized utilities will be required to decrypt it (for example, RouterPassView).

Resetting the Xiaomi router 4C factory-wise

If all previous methods fail, you'll have a hard reset, which will return the router to the "out of the box" state, but it will delete:

  • ๐Ÿ” All passwords (Wi-Fi and admin panels).
  • ๐Ÿ“ก Network settings (wi-fi name, channel, encryption).
  • ๐Ÿ”Œ Port rules, DMZ, parental control.
  • ๐Ÿ”„ Updates to the firmware (return to the factory version).

How to perform the reset:

  1. Turn on the router and wait for the full load (all indicators are on).
  2. Find the Reset button (small hole) on the back.
  3. Take a paperclip or toothpick, press and hold the button for 10-15 seconds until the indicators start flashing.
  4. Release the button and wait for the reboot (2-3 minutes).

Download the latest firmware from the official website|Write down the provider settings (PPPoE, VLAN, DNS)|Prepare the device for setting up (laptop/phone)|Turn off all cables except power.-->

After discharge:

  • ๐ŸŒ Connect to the network. Xiaomi_XXXX (passwordless).
  • ๐Ÿ–ฅ๏ธ Open your browser and go to 192.168.31.1 or miwifi.com.
  • ๐Ÿ”‘ Enter the standard login/password (admin/admin).
  • โš™๏ธ Pass the master of the initial setting.

โš ๏ธ Attention: Chinese version (CN ROM) You may need to link to your Xiaomi account after the reset.If you do not have a Chinese phone to confirm, use the international version of the site.

What to do if the reset does not work?
If the indicators do not flash after holding the Reset button, try: 1. Turn off power, clamp Reset, then turn on the router (hold 20โ€“30 seconds). 2. Use another power supply (a faulty PD can block reset). 3. Check the button for physical damage (oxidation, breakage). If nothing helps, the router may have a hardware lock - contact the service center.

How to Protect a Router After Restoring Access

After successfully entering the admin panel Xiaomi 4C Change your standard credentials immediately. Follow these guidelines:

  • ๐Ÿ”’ Admin panel password: minimum 12 symbols, with capital letters, numbers and special characters (for example, X!a0m1_R0ut3r_4C).
  • ๐Ÿ“ถ Wi-Fi password: At least 15 characters, avoid personal data (dates of birth, names).
  • ๐Ÿ”„ Updates: Enable automatic firmware check in the System section โ†’ Update.
  • ๐Ÿ›ก๏ธ Security: Disable Remote Management (Settings) โ†’ Security โ†’ Remote access).

Additional measures:

  • ๐Ÿ”— Link the router to your Xiaomi account (Settings section) โ†’ This will allow you to manage the device through the Mi Wi-Fi App and restore access if you lose your password.
  • ๐Ÿ“‹ Save a backup of settings (System) โ†’ Backup. File. miwifi.bin Keep it in a secure location (e.g., in an encrypted archive).
  • ๐Ÿšซ Turn it off. WPS (vulnerable protocol) in the Wi-Fi section โ†’ Additional settings.
VulnerabilityRiskHow to eliminate
Standard password (admin)Easy brute force hackingReplace with a complex password (see above)
On. WPSRemote attack in 2-4 hoursDisable in the Wi-Fi settings
Remote controlAccess to the admin from the InternetDisable in the "Security" section
Outdated firmwareExploitation of known vulnerabilitiesUpdate to the latest version

๐Ÿ’ก

Use a password manager (such as Bitwarden or KeePass) to store data from the router, which will eliminate the need to reset when you lose your password.

Frequent mistakes and their solutions

When working with Xiaomi Router 4C And users are facing typical problems. Let's look at the most common problems:

  • ๐Ÿšซ A standard password is not suitable: it is possible that the router was stitched with a third-party firmware (for example, Padavan). root/admin or ubnt/ubnt.
  • ๐Ÿ”Œ 192.168.31.1 does not open: check that you are connected to the router via cable or Wi-Fi. Try miwifi.com or reset your browser cache.
  • ๐Ÿ“ฑ Mi Wi-Fi app doesnโ€™t find router: make sure phone is connected to Xiaomi network 4C. Turn it off. VPN firewall.
  • ๐Ÿ”„ After reset, the Internet does not work: check the providerโ€™s settings (connection type, VLAN ID, PPPoE login/password).

If the router โ€œhangsโ€ when entering the admin panel:

  1. Try another browser (Chrome or Firefox is recommended).
  2. Clear cookies for the website 192.168.31.1.
  3. Connect to the router via cable (Wi-Fi may not work well).
  4. Do the reset and try again.

If after resetting the router requires a link to the Chinese account Xiaomi, and you do not have it, use this method: connect to the router via cable, open the browser in incognito mode and go to the address. http://192.168.31.1/cgi-bin/luci/web. In some firmware, this allows you to bypass account verification.

Can I get my Wi-Fi password if I am not connected to the network?
Not if you are not connected to the Xiaomi network. 4C, The only options are: Find the password in the settings of another device that previously connected to this Wi-Fi. Perform a router reset (section 4).
I dropped the router, but the Internet is not working.
After reset, you need to reconfigure the connection to the provider: Check with the provider the connection type (usually PPPoE, DHCP or static IP). Enter the data in the Internet section โ†’ Connection type: If you use PPPoE, check the login/password from the contract. VLAN specify ID (If you are not sure, call the support provider and ask for help with setting up.
How to Change Wi-Fi Password on Xiaomi 4C?
To change your wireless network password: Go to the admin panel (192.168.31.1). โ†’ In the password field, enter a new combination (minimum 8 characters). Save the changes and reconnect all devices. WPA2-PSK or WPA3 cryptographically.
Can I restore the old settings after resetting?
If you have a backup copy (.cfg or.bin file), it can be downloaded to the System section. โ†’ Backup. However: The file must be compatible with the current firmware version. When you restore it, the old admin panel password will return. If the router was reset due to a virus, don't restore the old settings - they may contain malicious code.
Why is the password not suitable after the firmware update?
Some updates reset the admin panel password to the standard (admin) or generate a new one. Try: Enter admin in both fields. Use the latter 8 figure S/N (Reset the router with the Reset button. If the problem persists, check the firmware version in the System section. โ†’ Status and download it again from the official website.