How to Update Google Chrome Browser
Learn how to update Google Chrome browser on Windows, Mac, and Android in minutes to enjoy better security, speed, and new features. Follow these clear steps.
When users call the switchboard of service companies, they will often have to listen to the introduction as well as instructions to press the extension number. However, if you are used to extension numbers, this waiting will waste your time quite a lot. Please refer to the instructions below to skip the introduction when calling the numbers of the switchboards and enter the extension number directly.

Step 1: First, you still press the switchboard number to call as usual. For example, the picture below is the phone number of Viettel switchboard.
Step 2: Do not press the call key, but hold down the " *" key on the dial pad until the " , " sign appears behind the switchboard number.
Step 3: Enter the extension number to call (1,2,3,4...) after the " , " sign
Step 4: Press the Call button on the screen to dial the number. If there is an extension , you continue to enter as above (eg 1800 8168,1,2,3 )
Wishing you success!
Learn how to update Google Chrome browser on Windows, Mac, and Android in minutes to enjoy better security, speed, and new features. Follow these clear steps.
Learn how to download old media from WhatsApp and recover photos or videos from past chats. Follow these clear steps to save files that no longer appear in your gallery.
Facebook Messenger Isn T Working on your device? Use these exact troubleshooting steps to restore chats, calls, and notifications fast on Android, iOS, or desktop.
How to See Deleted WhatsApp Messages using your phone's built-in tools. Follow these exact steps to recover messages that contacts have deleted from chats.
Learn how to clear browser history in Chrome on desktop and Android with this exact step-by-step process. Keep your browsing private and free up storage space quickly.
Master how to use CapCut with this practical walkthrough covering project setup, editing tools, effects, and export options for high-quality video results.
Get the latest WhatsApp App Update Download from official sources to access new features and security improvements. Follow these clear steps for Android and iOS devices.
Learn how to safely Download WhatsApp App for Android from the official Google Play Store. Follow our clear step-by-step instructions to install the latest version quickly and securely.
Google Download WhatsApp App safely through the Google Play Store with this clear guide. Get the official version on your Android device quickly and avoid fake downloads.
Facebook and Messenger not working can disrupt your day. Follow these targeted fixes to restore access quickly on mobile and desktop.