Fix Flatpak Apps Not Respecting GTK Themes in Ubuntu 24.04
Learn why Flatpak apps may ignore Ubuntu 24.04 GTK themes and follow safe steps to check theme extensions, refresh Flatpak apps, and diagnose portal issues.
Changing the WiFi password to special, complex characters is one of the ways to protect your family's WiFi from cases of using free WiFi , affecting the speed of your family's WiFi. When changing the WiFi password, users will need to access the network operator's WiFi management website, or can use some applications that support changing the WiFi password depending on the network operator you are registered to use.
Network operators do not limit the number of times we can change our WiFi password, you can change the password within 6 months or when you see that your home WiFi password is exposed or easy to guess. Below are detailed instructions for changing WiFi passwords with different network operators.
Table of Contents

Currently on the market there are many Tenda Wireless routers, such as Tenda F3 N300, Tenda W311R, Tenda W316R,... The way to change Tenda WiFi password is similar, no matter what type of router you use.
Readers can refer to the article How to change Tenda wifi password? for detailed instructions.
TP-Link routers are currently one of the popular routers used by many people. In particular, TP-Link Talon AD7200 routers are ranked among the quality TP-Link routers. Changing the password for TP-Link WiFi is also very simple following the steps below.
Refer to the detailed instructions in the article How to change Tp-Link wifi password? .
First you need to install the Hi FPT application for your phone using the link below.
Next, you log in to your account and select WiFi in the application interface.
Switch to the new interface , click on Change WiFi Password and then enter the new WiFi password into the interface and receive the OTP code sent to the phone number to confirm the new FPT password.
Normally, after setting up WiFi for the first time, you will be set up by a technician with any code as a password or provided by yourself. However, after a period of use, we should also change that password string. To change the FPT Wifi password, do the following:
Detailed article refer to Instructions on how to change FPT WiFi password .
Similar to the above modems, when changing Linksys WiFi, you also need to access the modem management page interface and then change the WiFi password.
Currently, VNPT, FPT, Viettel networks often use Dlink 600 and Dlink Dir 605L modems. The way to manage and change passwords for these modems is similar.
Detailed instructions in How to change DLink WiFi password for network operators .
Changing the password of the iGate VNPT WiFi modem will help your home Internet connection speed become more stable, avoiding unauthorized access.
Refer to the detailed article in Instructions for changing iGate VNPT WiFi password .
In the login interface on the My Viettel application, we click on Internet/TV/PSTN and then log in to register for Internet service with the network operator.
We click on WiFi Modem Management > Change password and proceed to change the password according to the instructions displayed on the interface.
We can mention some of Viettel's WiFi modems such as TP Link, Totolink, Alacatel, and optical cable. The way to change the Viettel modem WiFi password is similar to some other modems.
Then, change the WiFi password at Pre Shared Key . How to change the WiFi password is detailed in the Instructions for changing the Viettel modem WiFi password .
For HuaWei VNPT modem, we can check important information right on the back of the modem.
Refer to how to change WiFi password in How to change WiFi password of HuaWei VNPT modem? .
Changing the password for VNPT Yes Telecom WiFi modem also goes through 2 simple steps: accessing the management page and changing the WiFi password and you're done.
Detailed instructions can be found in Instructions for changing WiFi modem password VNPT Yes Telecom .
There are some cases where you cannot access the modem setup page using 192.168.1.1. The reason may be that the default gateway of the modem is not 192.168.1.1. To find the standard default gateway of the modem, turn the modem over and look at the information on its product label.
After finding the default gateway, access and change the WiFi password according to the instructions corresponding to the modem type above.
Currently, some modems also provide a private address to access the setup page. For example, TPLink is tplinkwifi.net, Xiaomi is miwifi.com... Therefore, in addition to accessing by IP address such as 192.168.1.1, we can also use these private addresses.
When working with routers, modems... you need to note that these devices all have their own buttons to reset to the original state. This button can help you reset the entire router, modem, set the default gateway to the original value...
However, if your account is linked to a modem, resetting will cause your subscription information to be lost, leading to network problems. Therefore, you should consider carefully before resetting your modem or router.
If you are not confident in your technical knowledge, you should not interfere with the settings of your router and modem yourself. Instead, you should call your network operator to request support.
Above is a summary of how to change WiFi passwords for some of the most popular modems and network operators today. WebTech360 hopes that these instructions will be useful to you. Readers follow the instructions to effectively change WiFi passwords.
See also the following articles:
Good luck!
Learn why Flatpak apps may ignore Ubuntu 24.04 GTK themes and follow safe steps to check theme extensions, refresh Flatpak apps, and diagnose portal issues.
Install Ubuntu 24.04 alongside Windows 11 with BitLocker safely. Compare separate-drive and shared-drive paths, recovery keys, partitioning, and boot checks.
Diagnose NVIDIA driver failures after an Ubuntu kernel update. Check DKMS and Secure Boot, rebuild the matching module, enroll a MOK, and verify the fix.
Fix Ubuntu 24.04 Wi-Fi drops after suspend with checks for NetworkManager, radio blocks, updates, power saving, and drivers—then verify each resume.
Learn why tracker-miner-fs-3 uses high CPU in Ubuntu GNOME and how to check indexing, exclude folders, update Ubuntu, or safely rebuild the search index.
Fix Debian’s UEFI boot error by checking boot mode, the EFI System Partition, GRUB files, and firmware boot order—without reinstalling Debian first.
The Outlook Inbox Repair Tool fixes corrupted PST files quickly so you can recover emails and restore normal Outlook function. Follow these exact steps to run scanpst.exe without data loss.
Get the Adobe PDF Installer Offline to install Acrobat Reader on any PC without needing internet during setup. Follow these exact steps for the full standalone package.
Learn how to Chromecast from laptop to TV with this step-by-step guide. Stream browser tabs, videos, or your full screen from Windows or Mac to your TV in minutes.
Learn how to edit an Adobe PDF file in Adobe Acrobat with precise steps for text, images, and layout changes. Make professional edits quickly and save time.