Met7 Xiaomi: What is the model of the TV and how to identify it?

If you are faced with a designation Met7 In the context of Xiaomi TVs, it is likely that the code is an internal marking of the model or a modification of it. TV A Pro or Redmi Smart Fire TV), a serves to identify a specific revision of the device, such as firmware, service centers or parts orders. In this article, we will discuss what exactly is behind the acronym. Met7, How to decipher it and why it matters to Xiaomi TV owners.

It is important to understand that Xiaomi uses a complex system of names, where the same model can have several β€œnames”: marketing (for customers), factory (for production) and internal (for software). Met7 β€” This is an internal identifier that you find in firmware, system logs, or stickers on the back of your TV, like the popular Xiaomi Mi model. TV 4A 43" in some regions may be marked as L43M6-MET7, where L43M6 β€” base platform, and MET7 β€” audit.

Next, we will discuss in detail how these designations are related to the real characteristics of TVs, where to look for them on your device, and why knowing this information can be useful when updating software or repairing.

What does it mean? Met7 Xiaomi?

abbreviation Met7 β€” This is part of the code of the Xiaomi TV platform that points to the:

  • πŸ”Ή Audit of hardware (for example, a modified motherboard or power supply unit).
  • πŸ”Ή Regional adaptation (firmware for Europe, Asia or Russia may differ).
  • πŸ”Ή Screen version (one model could use panels from different manufacturers).
  • πŸ”Ή Support for specific functions (e.g. availability of DVB-T2 scoring or Dolby Vision).

Most often. Met7 It is found in models based on the Mstar platform (for example, Mi). TV 4A, Mi TV 4S or Redmi Smart TV). This code can influence:

  • πŸ“¦ Compatible with firmware (some updates only work for certain revisions).
  • πŸ”§ Parts availability (power supplies or matrixes may differ even in the same model).
  • πŸŽ›οΈ Service menu settings (color or sound calibration options).

For example, the Xiaomi Mi TV TV 4S 55" may have two audits: L55M6-MET6 and L55M6-MET7. They look identical, but they are MET7 It may be another Wi-Fi module or support HDR10+.

πŸ“Š What kind of Xiaomi TV do you have?
Mi TV 4A
Mi TV 4S
Mi TV Q1/Q2
Redmi Smart TV
Other

How to find out the model and revision (Met7) Xiaomi TV set?

To determine if your TV is in the audit Met7, Take advantage of one of the ways:

Method 1: Sticker on the back panel

Turn over the TV and find a white or silver sticker with technical information.

  • Model: L43M6-MET7
  • P/N: 20210415-MET7
  • S/N: XM...MET7...

If you see MET7 β€” If you don't, check other ways.

Method 2: Menu "About TV"

Open the settings of the TV:

  1. Go to Settings. β†’ On TV.
  2. Find the Model or Model Number.
  3. If it says something like L50M6-6AMET7, piece MET7 β€” That's your audit.

Method 3: Service menu (for advanced)

If the standard methods do not help, you can go to the engineering menu:

  1. On the remote, press sequentially: Menu β†’ Settings β†’ All settings β†’ General β†’ About the TV.
  2. Click 5 times on the Android version (or Software version).
  3. A service menu will open, where the full model with revision will be indicated in the Platform Info or Hardware section.

πŸ’‘

If there is no revision information in the service menu, try taking a picture of the sticker on the back and zoom in on the image – sometimes the code is printed in very fine print.

Below are the most common Xiaomi TVs that have the designation Met7. Note that the same model may have multiple revisions (e.g, MET6 and MET7).

Marketing nameFactory codeAudit (Met7)Year of releaseFeatures
Xiaomi Mi TV 4A 43"L43M6-6AINL43M6-MET72020–2021Full HD, Android TV 9, DVB-T2
Xiaomi Mi TV 4S 50"L50M6-6ARUL50M6-MET720214K HDR, Dolby Audio, 2Γ—10 Watts of dynamics
Xiaomi Mi TV Q1 55"L55M7-7ARUL55M7-MET72021–2022QLED, 96% DCI-P3, MEMC 120 Hz
Redmi Smart TV X55L55M6-RAL55M6-MET720204K, PatchWall, 2GB of RAM

If your model is not in the table, it does not mean that it does not apply to the Met7. The audit may be in a different format (e.g, MET7A or MET7-2). In this case, we recommend to consult the official documentation or service center.

Why you need to know the audit Met7?

Knowing the exact revision of your Xiaomi TV can come in handy in a few cases:

1. Firmware update

Firmware for Xiaomi TV They're often released separately for each audit. MET6 TV-only MET7, may happen:

  • 🚨 Brick of the device (TV will not turn on).
  • πŸ”„ Cyclical reboot.
  • 🎡 Problems with sound or image.

So, before updating, always check that the firmware file is compatible with your revision. Usually, the file name contains the model code, for example:

mi_tv_4s_55_L55M6_MET7_20230515.zip

Repair and replacement of spare parts

Even one model of Xiaomi Mi TV 4S 55" power supplies or motherboards may differ depending on the audit:

  • πŸ”Œ MET6 β€” feed-in DPS-180AB-1 A.
  • πŸ”Œ MET7 β€” feed-in DPS-180AB-1 B.

If you order the wrong part, it may not fit physically or burn when connected.

What happens if you install the wrong firmware?
Incompatible firmware can cause a TV to "brick" (completely inoperable) at best, it will be cyclically rebooted, at worst it won't turn on at all. USB using service utilities (e.g. AmLogic Burn Tool) that require skills and special equipment.

3. Set up service parameters

In the engineering menu, some options (for example, Backlight, Color Temperature or the other) are included. HDMI EDID) They may have different ranges of values for different audits. MET7 maximum brightness can be limited to 350 nits, and MET8 β€” 400 nits.

If you’re in the business of calibrating an image, knowing the revision will help you find the right setting profiles.

How to tell Met7 from other audits (Met6, Met8)?

Main differences between audits Met6, Met7 and Met8 Xiaomi TVs are down to hardware and software changes:

CharacteristicsMet6Met7Met8
ProcessorAmlogic T962Amlogic T972 (or Mstar 6A938)Mstar 6A948 / Amlogic T982
Support for HDRHDR10HDR10, HLG, Dolby Vision (in some models)HDR10+, Dolby Vision
Wi-Fi moduleRealtek RTL8188Realtek RTL8822 (or Broadcom BCM4335)Broadcom BCM4356 (Support for Wi-Fi 6)
Max. brightness.300 nits350-400 nits450+ nit

Visually, it's almost impossible to distinguish between revisions -- the connectors, the body, and the remote are all identical -- and the only reliable way to do that is to check the sticker or service menu, as described above.

β˜‘οΈ How to check the compatibility of the firmware

Done: 0 / 5

Where to download the firmware for Met7?

Official firmware for Xiaomi TVs with revision Met7 You can find it in the following resources:

  • 🌐 Xiaomi official website: Go to the support page. Enter the full model code (e.g, L55M6-MET7). Download the latest version of the software in the Firmware section.
  • πŸ“ Forum 4PDA: In the section Xiaomi Mi TV Look for a topic with your model. Pay attention to the type of notes "[MET7]" firmware.
  • πŸ”§ Service centers: If you can not find firmware yourself, contact the authorized Xiaomi service with an indication of the audit code.

Warning: Never download firmware from dubious sites, fake files may contain viruses or be collected with errors, which will cause the TV to fail.

πŸ’‘

The firmware must be in line with the audit (Met7) and the region (e.g, RU Installation of inappropriate software can render the TV inoperable.

Frequent problems with televisions Met7 and their decisions

Owners of Xiaomi TVs with revision Met7 Sometimes they're faced with typical problems, and here are the most common ones and how to fix them:

1.The TV will not turn on after the update

Reason: Incompatible firmware or interrupted update process.

Decision:

  1. Turn off the TV for 1 minute.
  2. Press the Power button on the case (not on the remote) and connect the power.
  3. Hold the button for 10-15 seconds until the Xiaomi logo appears.
  4. If it doesn’t help, you need to re-flash through USB service-wise.

2.No sound through HDMI

Reason: Incorrect settings HDMI EDID erroneous.

Decision:

  1. Go to Settings. β†’ Sound. β†’ HDMI.
  2. Select a mode. PCM auto.
  3. Update the firmware to the latest version.

3. Slow operation of the interface

Cause: Overflowing memory or background processes.

Decision:

  1. Go to Settings. β†’ Apps and clear cache for all programs.
  2. Turn off auto-run of unnecessary applications.
  3. Reset the TV to factory settings (Settings) β†’ Reset).

πŸ’‘

If the TV is slowing down, try turning off the Automatic App Update feature in Google Play. Many apps are updated in the background, taking up resources.

FAQ: Frequent questions about Met7 Xiaomi TVs

My Xiaomi Mi TV TV 4S 55" has an audit MET6. Can you make it a firmware for MET7?
No, it's going to make the device inoperable, and the firmware is strictly tied to the hardware revision. MET7, contact the service center for the upgrade fee (if technically possible).
Where to see the production date of the Xiaomi TV by serial number?
Serial number (e.g, XM21041512345) The full decoding is in the format of GGMM (first 4 digits after letters). In this example, 2104 means April 2021.
Why don’t I have a Dolby Vision, but the model should support it?
Probably your audit (MET6 early MET7) Dolby Vision does not support Dolby Vision at the hardware level, check the specifications specifically for your revision on the official website, and make sure you use a compatible signal source (for example, Netflix or Disney).+ Supported by Dolby Vision).
Can I replace the motherboard with the MET6 on MET7?
Technically possible, but it requires experience in electronics repair, the fee must be compatible with your matrix, power supply and case, and you will also need to flash it in the light of the new revision, and you should contact the service center.
How to Reset Xiaomi TV Met7 factory-wise?
Go to Settings. β†’ The device β†’ Reset β†’ Reset all settings. If the TV doesn't respond to the remote, use the reset button on the back (a small hole that says Reset - press it with a paper clip for 10 seconds).