GrandTechTV is a bilingual podcast helping parents and grandparents feel confident with everyday tech — one simple step at a time.
Whether it's making video calls, scanning QR codes, or setting up a phone, we explain tech in English and Mandarin 中文 — at a pace everyone can follow.
🎧 Real-life tech tips for multi-generational families
📍 New episodes weekly · Follow @grandtechtv
Part 1: What Is a QR Code?
A QR code is a small square pattern of black and white dots. Hidden inside is a web address or some information. When your camera looks at it, it automatically opens the right menu, web page, or payment screen — so you don't have to type anything long.
Part 2: How to Scan One
The easiest way: open your Camera app, just as if you were taking a photo, and point it at the QR code. Hold steady for a second or two. A small link or line of text pops up — tap it, and it opens.
Part 3: Nothing Happening?
If nothing appears, check that your lens is clean, you're pointing straight at it, and there's enough light. Some Android phones need you to switch on "Scan QR codes" in the camera settings first.
Part 4: A Safety Tip
After scanning, if a page asks for your bank card or password, be careful — make sure it's a genuine shop first. Don't scan random codes stuck up on the street. Codes at proper restaurants and shops are fine to use.
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9 Aug 2026
EP 10 - How to Record Audio on Your Phone
Part 1: Where Is the Recorder?
iPhones have a Voice Memos app - the icon looks like sound waves. On Android it's called Recorder or Sound Recorder. If you can't find it, swipe down on your phone and search for "record."
Part 2: How to Start Recording
Open the app. In the middle is a big red dot - tap it once and recording begins. Hold the phone a little closer to whoever's speaking for clearer sound. When you're done, tap the red dot again, or Stop.
Part 3: Listening Back
Your recordings are listed below - tap one to play it. You can rename it, for example "heart doctor visit," so it's easy to find later.
Part 4: Two Thoughtful Uses
Besides doctor visits, use it to capture a sudden thought, a shopping reminder, or a little message for family. A tip: before recording someone else, it's polite to let them know first.
Today we learned how to record audio on your phone. Next time you see the doctor, let it help you remember every instruction.
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