Connecting a smartphone to a TV DEXP Without Wi-Fi, this is a challenge faced by users in a variety of situations, from the absence of a router to the need to stream content in areas with poor internet signal. Unlike popular brands like Samsung or LG, televisions DEXP often have limited functionality for wireless connections, but that doesn't mean the possibilities are exhausted. In this article, we'll look at All current methods for connecting a phone to a TV without Wi-Fi — from a classic HDMI cable to little-known adapters that work even with budget models.
It is important to understand that the choice of method depends not only on the TV model DEXP (for example, series H24F7000, U32H7000 or L32F6000), but also from the operating system of your smartphone. Android devices usually support more options than iPhone, but there are solutions for them too. We'll also take into account nuances rarely covered in standard instructions, from connector compatibility to audio transmission features.
If you have previously tried to connect via Screen Mirroring or DLNA and failed due to lack of network connectivity, this article will help you bypass the restrictions. No universal advice—only specific steps, taking into account the technical peculiarities. DEXP.
1. Connecting via HDMI cable (the most reliable method)
Usage HDMI cables - This is the only method that is guaranteed to work on any model of DEXP TV and doesn't require Wi-Fi. However, there are two key caveats:
- 📱 For Android: I need a smartphone with support MHL (Mobile High-Definition Link) or USB-C with DisplayPort mode. Most modern phones (for example, Samsung Galaxy S21, Xiaomi Redmi Note 10) support image output via USB-C → HDMI, but older models (before 2018) may require a special adapter.
- 🍎 For iPhone: an official adapter will be required Lightning Digital AV Adapter (costs ~3,500 ₽). Third-party alternatives often don't work with the latest versions of iOS.
- 🔌 For TV: Check for a free HDMI port. In budget models DEXP (For example, DEXP H24D7000) there may be only 1–2 of them.
Step by step instructions for Android:
- Buy a cable
USB-C → HDMI(or adapter + standard HDMI cable). For phones withMicro-USBI need an adapter MHL. - Connect one end of the cable to your phone and the other end to the HDMI port on your TV.
- On the remote control DEXP press the button
SOURCE(orINPUT) and select the appropriate HDMI input. - Your phone may ask you to allow the image transfer - confirm this.
For iPhone the process is similar, but with some nuances:
- Adapter Lightning Digital AV Adapter Requires a power connection (via the second Lightning port). Without it, the image may flicker or not transmit.
- Some applications (eg. Netflix or YouTube) block the output of content via HDMI due to protection HDCPIn this case, the phone screen will remain black.
⚠️ Attention: If after connecting the sound comes only through the phone, check the TV settings. In the menuSound → HDMI Output(path may vary) selectPCMinstead ofAuto.
2. Using a USB cable (for viewing media files)
If your goal is not screen mirroring, but viewing photos, videos or music from your phone, you can get by with the standard one USB cableThis method works on all TVs. DEXP with a USB port (even on older models like DEXP L19D5000).
However, there are limitations:
- 🎬 Videos will only play in formats supported by your TV (usually
.mp4,.avi,.mkvwith codecH.264). Files in.movor with a codecH.265may not open. - 📂 The TV will only see files in folders
DCIM,Pictures,MoviesorMusicSystem files and applications are not available. - 🔄 When connecting Android- select the phone mode
File Transfer (MTP). For iPhone This method doesn't work - Apple blocks access to the file system via USB.
Instructions:
- Connect your phone to the TV's USB port DEXP (use the cable that came with your phone).
- Press on the remote control
SOURCE→USB. - Select the desired file from the menu that opens. Control the file using your TV remote.
| File format | DEXP Support | Notes |
|---|---|---|
.mp4 (H.264) |
✅ Yes | Max. permission - 1920×1080 |
.mkv (H.265) |
❌ No (on most models) | Conversion required |
.avi (Xvid) |
⚠️ Partially | There may be problems with the sound |
.jpg, .png |
✅ Yes | Slideshow support |
⚠️ Attention: If the TV does not see the phone, try using OTG adapter (For example, USB-A → USB-C). Some models DEXP require additional power for USB devices.
3. Wireless connection via Miracast (if TV supports it)
Miracast - This is a technology for wireless screen sharing without a router, but it only works if Both the DEXP phone and TV support this standard.Check your model's specifications:
- 📺 Supported DEXP models: series UxxH7000 (2020 and newer), some models HxxF7000. In budget lines (L32F6000) Miracast is usually absent.
- 📱 Supported phones: Android 4.2+ (most devices after 2013), Windows Phone 8.1+. iPhone does not support Miracast - only proprietary AirPlay.
How to connect:
- On TV DEXP go to
Settings → Network → Miracast(orScreen Mirroring). Turn on standby mode. - On Android-open your phone
Settings → Connected devices → Screen sharing(the name may differ:Smart View,Wireless Display). - Select your TV from the list of available devices.
- Confirm the connection on both devices.
Problems and solutions:
- 🔍 The TV is not located: Make sure the TV is in the "On" mode.
Miracast, and notDLNAorWi-Fi Direct. - 🎮 Image Delay: Miracast is not designed for gaming - lag can reach 0.5-1 second.
- 🔊 No sound: Check if your phone is set to "Video only" mode (in Miracast settings).
Make sure your TV supports Miracast (see instructions)
Update your DEXP TV firmware to the latest version
Disable VPN/ad blockers on your phone
Reboot both devices before connecting-->
⚠️ Note: On some models DEXP The Miracast feature is hidden in the developer menu. To activate it, press and hold on the remote Menu → 1147 (code may differ).
4. Wireless HDMI adapters (for older TV models)
If your TV DEXP does not support Miracast, but it has an HDMI port, you can use it wireless HDMI transmittersThese devices create a direct connection between the phone and TV without a router, operating at a frequency 5 GHz or 60 GHz (depending on the adapter model).
Popular adapters for DEXP:
- 📶 Microsoft Wireless Display Adapter (~5,000 ₽) — supports
1080p, compatible with Android And Windows. - 🎮 AnyCast M2 Plus (~2,500 ₽) — a budget option, but may lag when playing 4K.
- 🍎 AirTame (~12,000 ₽) — supports AirPlay (for iPhone), but requires a network connection (even without the Internet).
How to connect:
- Insert the adapter into the HDMI port of the TV DEXP and connect it to a power source (via the TV's USB port or a power outlet).
- Turn on your phone
Screen Mirroring(For Android) orAirPlay(For iPhone). - Select the adapter name from the list of devices.
Advantages and disadvantages:
| Pros | Cons |
|---|---|
| Works on any TV with HDMI | Additional costs for the adapter |
| Low latency (suitable for video) | May overheat with prolonged use |
| No router configuration required | Limited range (up to 10 meters) |
5. Connecting via Chromecast or similar devices (with offline mode)
Although Google Chromecast usually requires a Wi-Fi connection, there is a workaround to use it without internetThis method is suitable if you have the adapter itself. Chromecast (or its analogues, for example, Xiaomi Mi TV Stick), but there is no router.
Instructions for offline mode:
- Connect Chromecast to the TV's HDMI port DEXP and supply power to it (via the TV's USB port or a power supply).
- Turn on your phone Wi-Fi hotspot (
Settings → Network → Tethering). - Connect Chromecast to this access point (the network name and password will be displayed in the application Google Home).
- Now you can stream local files through apps like VLC or LocalCast.
Restrictions:
- 📱 Android: most applications (eg YouTube) require the Internet to stream, but local files play without problems.
- 🍎 iPhone: for broadcast on Chromecast special applications are needed (for example, Streamer for Chromecast), because AirPlay incompatible.
- 🔌 DEXP: Some models may not recognize Chromecast due to HDCP restrictions. In this case, an adapter will help. HDMI → AV (if there are "tulips" on TV).
⚠️ Caution: When using Chromecast In offline mode, the maximum video quality is limited720p- even if the file is in1080p.
Why doesn't Chromecast see my phone in offline mode?
If Chromecast does not connect to the phone's hotspot, check:
1) Are power saving modes disabled on your phone (they may block Wi-Fi distribution).
2) Do the frequency ranges match (for example, Chromecast 1st generation works only on 2.4 GHz).
3) Are there any restrictions on MAC addresses in the access point settings (on some phones) Xiaomi or Huawei This feature is enabled by default).
6. Alternative methods: AV cable and adapters
If your TV DEXP older than 2015 (e.g. models DEXP L19D5000 or DEXP H22D7000), it may not have an HDMI port, but it does have connectors AV (RCA), VGA or SCARTIn this case it will help analog adapter.
Connection options:
- 📺 Via AV ("tulips"):
- For Android I need an adapter
USB-C/Micro-USB → AV(cost ~1,500 ₽). The quality will be480p. - For iPhone will do Apple Composite AV Cable (official, ~2,000 ₽).
- For Android I need an adapter
- 🖥️ Via VGA:
- An adapter is required
USB-C → VGA(For example, Baseus or UGREEN). The sound is transmitted separately through3.5 mm jack. - On DEXP on the menu
Input → VGAManual resolution adjustment may be required (1366×768or1024×768).
- An adapter is required
Step-by-step instructions for AV connection:
- Connect the adapter to your phone and connect it to the AV inputs on your TV (yellow - video, red/white - audio).
- On the remote control DEXP click
SOURCE→AV. - On your phone, in the screen settings, select the mode
MHLorTV-Out(if any).
Disadvantages of analog connection:
- 📉 Low image quality (maximum
576ifor AV). - 🔊 There may be interference in the sound if the cable is long.
- 🎮 Input lag (~200ms), which makes the method unsuitable for gaming.
7. Problems and Solutions: What to Do When Nothing Works
Even if the connection is correct, errors may occur. Here the most common problems and ways to solve them for TVs DEXP:
| Problem | Possible cause | Solution |
|---|---|---|
| The TV doesn't see the phone via HDMI. | Incompatible cable or adapter | Use a certified cable USB-C → HDMI with support DisplayPort |
| The sound only comes through the phone. | HDMI settings on TV | On the menu Sound → HDMI Output select PCM |
| Miracast keeps disconnecting | Weak Wi-Fi Direct signal | Reduce the distance between devices to 3 meters |
| Black screen when connecting iPhone | Blocking HDCP in the app | Try a different app (eg. Infuse instead of Netflix) |
| The TV says "No signal" | Incorrect source selected | Click SOURCE on the remote control and select the desired HDMI/AV |
If none of the methods worked:
- 🔄 Reset your TV:
Settings → Support → Reset(default password for DEXP —0000or1147). - 📋 Check the firmware: on the website DEXP There may be an update that adds support for new devices.
- 🛠️ Contact support: Please indicate your TV and phone model—sometimes the problem can be solved by replacing the cable under warranty.
⚠️ Note: On some models DEXP (For example, DEXP H32F6000) After updating the firmware, support may disappear MiracastBefore updating, check reviews on forums (for example, 4PDA).
FAQ: Frequently asked questions about connection
Is it possible to connect an iPhone to DEXP without Wi-Fi?
Yes, but there are few options:
- Official adapter Lightning Digital AV Adapter (HDMI).
- Analog adapter Lightning → AV (quality
480p). - Wireless adapter AnyCast with support AirPlay (For example, AnyCast M2 Plus).
Why is there no sound when connected via HDMI?
Reasons and solutions:
- On the TV in the menu
Sound → HDMI OutputInvalid mode selected. Please setPCM. - The cable or adapter does not support audio transmission. Check the specifications (must be
HDMI 1.4+). - HDMI output is disabled in the phone's audio settings. Turn it on.
Settings → Sound → Output sound to external device.
HDMI 1 (ARC).
How do I connect my phone to DEXP via USB to control my TV?
Televisions DEXP do not support control via USB (unlike Samsung DeX or LG ThinQ). However, it is possible:
- Use USB to view media files (as described in Section 2).
- Install the app on your phone DEXP Remote (if your TV model supports Wi-Fi Direct control).
- Connect a wireless keyboard/mouse to the TV via Bluetooth (if the model supports it, for example, DEXP U32H7000).
What is the maximum resolution supported by DEXP when connecting a phone?
Depends on the model and connection method:
| Method | Max. permission | Notes |
|---|---|---|
| HDMI | 1920×1080 (Full HD) |
On models with HDMI 2.0 (For example, DEXP U43H7000) |
| Miracast | 1280×720 (HD) |
Depends on the Wi-Fi Direct version on the TV |
| AV (RCA) | 720×480 (SD) |
Color reproduction is worse than HDMI |
| Wireless HDMI | 1920×1080 |
There may be a lag of up to 100 ms |
4K (3840×2160) not supported by any method on TVs DEXP.
Is it possible to connect a phone to DEXP via Bluetooth?
No, TVs DEXP do not support image or control transmission via BluetoothThis technology is used in them only for connecting wireless headphones or keyboards (on models with support, for example, DEXP U32H7000).
However, it is possible:
- Pass on sound only from your phone to your TV via Bluetooth (if the model supports it)
A2DP). - Use a Bluetooth remote control (eg. Xiaomi Mi Remote) to control TV.