Why it is important to accurately determine the model of the smartphone
Have you bought a used Xiaomi without a box, lost your documents or just want to check if the device meets the stated characteristics?Defining the model by appearance is the fastest way to avoid mistakes when buying parts, firmware or repairing. For example, the battery from Redmi Note 10 Pro is not suitable for the Redmi Note. 10S, Although the body is almost identical, the firmware from POCO X3 NFC block POCO X3 Pro because of different processors.
In this article, we will discuss 7 visual techniques that work even without the phone on, from analyzing the inscriptions on the body to the design of the cameras and connectors. You will learn to distinguish the Mi 11 from the Mi 11 Lite in the shape of the camera module, and the Redmi 9 from the Redmi. 9A — All methods have been tested on the 2018-2026 models and are relevant for the Redmi ranges, POCO, Mi and Black Shark.
Method 1: Inscriptions on the case - where and what to look for
The most reliable method is to learn factory markings: on all Xiaomi smartphones (except some flagships after 2022), the model is listed on the back of the case or under the removable lid.
- 📱 Redmi Note 11 Pro - The inscription 2201116PG (Model code) or Redmi Note 11 Pro under the logo.
- 🎮 Black Shark 5 Pro - Marking KBRH003 downside SIM-tray.
- 🔍 POCO F4 GT — code 22041216C under a glass panel (seen in bright light).
If the label is erased or covered, use a magnifying glass and flashlight — the model code is usually engraved with a laser. On models after 2023 (for example, Xiaomi 14), the marking can only be under the battery — it will require disassembly to verify it.
| Linea | Typical inscription arrangement | Example of model code |
|---|---|---|
| Redmi Note | Under the camera module or on the bottom edge | M2003J15SC (Redmi Note 9 Pro) |
| POCO | On the back panel under the logo | M2101K6G (POCO X3 Pro) |
| Mi (flagships) | Under the glass panel (visible to the lumen) | M2011K2G (Mi 11) |
| Black Shark | On the bottom of the line next to SIM-tray | DLT-H0 (Black Shark 4) |
⚠️ Note: For fakes (e.g. Redmi clones) 9A) The model code can be forged. Always check it against the official data on the website. mi.com/verify.
Method 2: The shape and location of the camera module
Camera design is a key visual marker, and Xiaomi often changes the shape of modules even within a single line.
- 📸 Square module - characteristic of the Redmi Note 8/9/10 and POCO X3/M3. Note. 10 Pro square with rounded corners, and the Note 9 — straight.
- 🔺 Triangular module - used in Mi 11 Lite and Redmi 10 2022. 5G NE The triangle is sharp, and the Redmi 10 has beveled edges.
- 🌑 Round module - occurs in Mi 10T, POCO F3 and Black Shark 5. POCO F3 GT a circle with a metal edging, and Mi 10T Pro - matte plastic.
Pay attention to the number of cameras and their location:
- Two cameras (main camera) + depths) - Redmi 9A/9C or POCO C31.
- Three cameras (main) + wide-angle + macro - Redmi Note 11 or Mi 10 Lite.
- Four cameras (with telephoto) Mi 11 Ultra or Redmi K50 Pro.
- Module shape (square, circle, triangle)
Number of lenses (2, 3 or 4)
- Furnishing material (metal, plastic, glass)
- Presence of an inscription "AI" or "108MP" (pointing to the flagship models)-->
Method 3: Connectors and buttons – hidden clues
The type and location of the connectors help narrow the search.
- 🔌 3.5 The audio jack is available in most Redmi and POCO, but not in the flagship Mi 11/12/13 and Black Shark 4/5.
- ⚡ Charging port type: - USB-C — post-model 2019 Micro-USB - Redmi only. 7A/8A older.
- 📶 Slot for SIM-- Hybrid (SIM + microSD) — Redmi Note 10, POCO M4 Dual nano-SIM without microSD - Mi 11, Black Shark 5 Pro.
Pay attention to the location of the buttons:
- Google Assistant button on the left side — POCO F2 Pro or Mi 10.
- Touch Navigation buttons (not on screen) – Redmi 8/9 or POCO C3.
- Fingerprint button: Redmi Note 11 Pro+ or POCO X4 Pro.
⚠️ Note: Some models (e.g. Redmi) 10C) plug-in USB-C Visually indistinguishable from Micro-USB because of the plastic plug!
How to tell USB-C Micro-USB without cable?
Method 4: Display - diagonal, cutouts and edging
The screen is another reliable indicator. Measure the diagonal with a ruler (anger to angle on the screen, not including the frame):
- 6.53" — Redmi Note 10/11, POCO X3.
- 6.67" — Mi 11, Redmi K40, POCO F3.
- 6.81" — Mi 11 Ultra, Redmi K50 Gaming.
Type of cutout for the front camera:
- «The Drop (waterdrop) - Redmi 9/10, POCO M3.
- Punch-hole in the center - Mi 11 Lite, Redmi Note 11S.
- The hole in the upper left corner — POCO X3 Pro, Redmi K40.
- No notch (lifting mechanism) - Mi Mix 3, Black Shark 4 Pro.
Pay attention to the canteen of the screen:
- Plastic frames - budget models (Redmi) 9A).
- Metal frame - the middle segment (POCO X4).
- Rolled edges (2.5D or 3D) — Flagships (Mi 11, Black Shark 5).
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If there is no ruler, use a bank card (8.56 cm) or a passport (12.5 cm) for an approximate diagonal measurement.
Method 5: Color of the body and materials
Xiaomi often releases unique colors for specific models, such as:
- 🎨 Green Forest Green – Redmi Note 11 Pro+ 5G.
- 🖤 Black Cosmic Black: Mi 11 Ultra or Black Shark 5 Pro.
- 💙 Blue "Pacific Blue» — POCO F3 GT or Redmi K50.
The material of the case will also tell the segment:
- Plastic (matted or glossy) - Redmi 9/10, POCO C-series.
Glass (gradient) - Mi 11 Lite, Redmi Note 11 Pro.
- Metal + glass - Mi 11, Black Shark.
Skin (vegan) - Mi 11 Ultra (limited series)
On some models, the color changes from different angles (for example, Redmi). K40 Gaming with cyber neon. Illuminate the body with a flashlight - this will help distinguish the original from the fake.
Method 6: Unique Design Features
Some models have exclusive elements that cannot be confused:
- 🎮 The logo is only illuminated by Black Shark. 4/5 (responds to notifications).
- 🔄 Revolving camera – only Mi Mix 3 (2018).
- 📏 Double. LED-The flash is the Redmi Note 11 Pro+ (Other models have one flash).
- 🔊 Stereodynamics (two cuts on the upper and lower face) — POCO F3 GT, Mi 10T Pro.
Also pay attention to:
- Logo. POCO The back panel is always yellow, even on black models.
- Inscription «108MP» near the camera, indicates the Mi 10T Pro, Redmi Note 11 Pro+ or Mi 11 Ultra.
- Tags «5G» On the case - only models with support 5G (For example, the Redmi Note 11 Pro+ 5G).
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If there's an inscription on the body "NFC", This guarantees that you have a contactless payment module, but the absence of a contactless payment module does not mean that you have a contactless payment module. NFC No, like Redmi. 9C module hidden under the cover.
Method 7: Comparison with official photos
If visual techniques didn’t help, compare your device to the official images on Xiaomi’s website.
- The exact location of the microphones (on the upper/lower edge or next to the camera).
- The shape of an infrared port (round or rectangular).
- The presence of a light sensor to the right of the front camera (not on all models).
For convenience, use a comparison service (e.g. GSMArena) where you can put two models side by side and learn the differences. POCO X4 Pro from POCO X4 GT frame-shaped.
⚠️ Note: On Chinese versions (e.g. Redmi) K50 For the Chinese market, the design may differ from global models (e.g., the design of the Chinese market, POCO F4). Always check the region in the model code (C for China, G for global version).