Let's be real—when you're shopping for a portable TV, what's the first thing you care about? Sure, screen size and design matter, but if the thing stutters through your favorite show or freezes during a movie night, none of that other stuff counts. That's why I've spent the past three weeks living with the Tuoying S22, an incell portable smart tv that's been popping up in online sell listings lately. I wanted to put its playback stability to the test—no fancy marketing talk, just honest, day-to-day use. Here's how it held up.
Before diving into playback, let's talk about what the Tuoying S22 is . At first glance, it might look like just another 24.5 inch portable monitor with a built-in battery, but Tuoying bills it as an "incell portable smart tv"—meaning it's not just for hooking up to your laptop. It runs on Android, has its own apps (Netflix, YouTube, Disney+), and even connects to Wi-Fi. That versatility is a big selling point, especially if you're someone who wants a device that can pull double duty: work monitor by day, movie screen by night.
Physically, it's lightweight enough to toss in a backpack (around 2.3 lbs) and has a kickstand that folds out for easy setup on a table or bed. The Incell display is bright—400 nits, according to the specs—and colors pop, even in well-lit rooms. But again, none of that matters if the playback falls flat. So let's get to the good stuff.
I focused on three scenarios most users will encounter: streaming (the bread and butter of smart TVs), local file playback (for downloaded movies or home videos), and multitasking (because who doesn't check their phone or browse while watching?). I tested everything from 720p cat videos to 4K action flicks, and even threw in some older, quirky formats to see if it could handle the oddballs.
Streaming is where most portable smart TVs live or die, and the S22 starts strong. I tested Wi-Fi connectivity in three environments: my home (strong 5G Wi-Fi), a coffee shop (spotty public Wi-Fi), and a hotel room (shared, slow connection). Here's the breakdown:
Home Wi-Fi (500 Mbps): I streamed Netflix's Stranger Things in 4K, and the S22 didn't skip a beat. No buffering, no pixelation, and the audio stayed in sync—even during fast-paced scenes with lots of movement. YouTube 4K videos (think nature documentaries with sweeping landscapes) played smoothly, too. The built-in speakers aren't theater-quality, but the stability here was impressive.
Coffee Shop Wi-Fi (10-15 Mbps): Public Wi-Fi is the ultimate stress test. I tried streaming a 1080p episode of The Office on Peacock, and there was minor buffering at the start (about 10 seconds), but once it kicked in, it played without issues. I even switched to a 720p stream, and it was buttery smooth—no stutters, no freezes. The S22 seems to adjust bitrates quickly, which is a big plus for on-the-go use.
Hotel Wi-Fi (5 Mbps max): This was the worst-case scenario. 4K was out of the question, but 720p on YouTube worked with occasional buffering (every 5-7 minutes). I dropped to 480p, and it stabilized—no more interruptions. For a device meant to be portable, handling low-bandwidth situations gracefully is a must, and the S22 passed here.
Not everyone streams everything—some of us still download movies or have home videos saved on USB drives. I loaded up a 128GB USB stick with a mix of formats: MP4, MKV, AVI, MOV, and even an old WMV file (for nostalgia). I also tested resolutions from 480p to 4K, and bitrates up to 80 Mbps (the kind you get with Blu-ray rips).
The S22 handled 90% of these without a hiccup. MP4 and MKV (the most common formats) played flawlessly at all resolutions. Even a 4K MKV of Mad Max: Fury Road —which is packed with explosions and fast cuts—ran smoothly, with no lag between audio and video. The only trouble came with the WMV file (a 2005 home video of my dog). It played, but the audio was slightly out of sync. To be fair, WMV is practically a dinosaur these days, so I can't fault the S22 too much here.
I also tested a 10.1 inch led digital photo frame I own by connecting it to the S22 via USB to play a slideshow of family photos. The transition between images was smooth, and the Incell display made colors look vibrant—though that's more about the screen than playback stability. Still, it's a nice bonus for sharing memories.
Let's be honest: we're all a little guilty of multitasking while watching TV. I wanted to see if the S22 could handle streaming and running other apps. I opened YouTube (playing a 1080p video), then launched Chrome to browse Reddit, and even checked email. The video kept playing without stuttering, though I did notice a slight dip in frame rate when I opened three apps at once. Close one app, and it went back to smooth sailing. For casual multitaskers, this is more than enough.
To make this concrete, I tracked buffering time, frame drops, and sync issues across different formats. Here's a table summarizing the results:
| Media Type | Format/Resolution | Buffering Time (Start) | Frame Drops (Per Hour) | Audio Sync Issues |
|---|---|---|---|---|
| Netflix Streaming | 4K HDR | 5-8 seconds | 0 | None |
| YouTube | 1080p (Public Wi-Fi) | 10-12 seconds | 2-3 | None |
| Local File | MKV 4K (80 Mbps) | 0 seconds (USB) | 0 | None |
| Local File | WMV 720p (Old Format) | 3 seconds | 5-7 | Slight (0.5s delay) |
| Multitasking | YouTube 1080p + Chrome + Email | N/A (Streaming) | 8-10 | None |
I've tested a few portable monitors and smart TVs in this price range, including the 24.5 inch portable monitor from a rival brand. The S22 holds its own, but there are differences. The rival monitor had sharper text (better for work), but its playback suffered with 4K streaming—buffering every 15-20 minutes on the same home Wi-Fi. The S22's focus on being a "smart tv" rather than just a monitor gives it an edge here; the Android OS is optimized for media, not just productivity.
Another plus: the S22's battery life. I got about 4.5 hours of continuous streaming on a full charge, which is an hour more than the 24.5 inch monitor. That's a big deal if you're using it on a long flight or camping trip.
If you're someone who wants a portable device that prioritizes media playback over work, the S22 is a solid pick. It's great for travelers, college students in dorms, or anyone who wants a second screen for movie nights. Since it's available for online sell, you can easily compare prices and read other reviews, but from my testing, it delivers on its promise of stable playback.
It's not perfect—no device is—but for the price, the balance of portability, display quality, and playback stability is hard to beat. Just don't expect it to ｒｅｐｌａｃｅ your living room TV, and you'll be happy.
Playback stability might not be the sexiest feature, but it's the one you'll notice most when using a smart TV. The Tuoying S22 nails it. Whether you're streaming the latest Netflix hit, watching home videos from a USB drive, or even braving public Wi-Fi, it keeps things smooth. It's not just an incell portable smart tv—it's a reliable companion for anyone who loves media on the move.
If you're in the market for something that does one thing really well (play media) and doesn't skimp on the details, the S22 is worth adding to your cart. Just remember to grab a good pair of headphones to go with it—and maybe avoid those ancient WMV files.
