Xiaomi Mido is not just a code name, but a symbol of the era of budget smartphones with top-end specs. Under this name hides the Redmi Note 4, the model of 2017, which is still in demand among fans of “eternal” gadgets. But why Mido? The fact is that Xiaomi traditionally assigns its devices code names in honor of famous composers – here is a reference to the Italian virtuoso Domenico Scarlatti (also called “Medo”).
This smartphone has become a real bestseller thanks to the combination of a powerful Snapdragon 625 processor, a capacious 4100 mAh battery and a metal body of premium design. Even years later, Mido remains relevant for those who are looking for a reliable device for calls, instant messengers and undemanding games. But there are nuances: for example, official support for updates has long been discontinued, and some functions (such as VoLTE) can work unstable on custom firmware.
In this article, we will break down everything about Xiaomi Mido: from specifications to firmware instructions, compare with competitors and answer frequent questions from users. If you are considering buying a used model or want to revive your old Redmi Note 4, here are the tips.
The code name Mido: what it means and why it was called
Xiaomi has a tradition of assigning code names to its devices after great composers. Mido is no exception: it is a reference to Domenico Scarlatti (1685–1757), an Italian Baroque composer known for his sonatas for the harpsichord. Xiaomi often uses aliases or abbreviations, such as Santoni (Redmi). 4X) The name is named after another composer, and Vince (Redmi 5 Plus) is a reference to Vincent van Gogh (although he is already an artist).
Why Mido for Redmi Note 4? There are several versions.
- 🎼 Musical themes: Snapdragon 625 in the smartphone provided smooth audio playback, which is symbolic for the composer's name.
- 🔤 Simplicity of pronunciation: a short name is convenient for developers and firmware enthusiasts.
- 📜 Historical connection: Scarlatti lived in the heyday of the arts, which is associated with the “golden age” of Xiaomi (2016-2018), when the brand released several revolutionary models.
By the way, Xiaomi code names can often be found in custom firmware names (for example, LineageOS for Mido) or in forum discussions like 4PDA or XDA If you’re looking for firmware or modifications for your Redmi Note 4, knowing the Mido code will help you avoid confusion with other models (e.g. Nikel is already a Redmi Note). 4X Snapdragon 625 processor, but for the Chinese market).
⚠️ Note: Don't confuse Mido (Redmi Note) 4) s Mido_N — It's a modification for the Indian market, with some differences in the RF module!
Specifications of Xiaomi Redmi Note 4 (Mido)
Smartphone Xiaomi Redmi Note 4 (code Mido) was available in several versions, but the basic configuration looked like this:
| Parameter | Characteristics |
|---|---|
| Processor | Qualcomm Snapdragon 625 (8 cores, 2.0 GHz, 14 nm) |
| RAM | 2/3/4 GB LPDDR3 (depending on the version) |
| Built-in memory | 16/32/64 GB (there is a slot for microSD before) 256 GB) |
| Screen. | 5.5", IPS, permit 1920×1080 (Full HD), 401 ppi |
| Battery | 4100 mAh, fast charging (5V/2A) |
| Main camera. | 13 MPP, f/2.0, phase autofocus, two-tone flash |
| Front camera. | 5 MP, f/2.0 |
| Operating system | Android 6.0 (Marshmallow) MIUI 8 out of the box |
Features that distinguished Mido from competitors:
- 🔋 The battery at 4100 mAh is one of the most capacious in its class (for comparison, the Samsung Galaxy). J7 2017 was just 3,600 mAh).
- 🛡️ Metal case with antenna inserts - premium design for budget money.
- 🎯 Snapdragon 625 – processor with excellent balance of performance and energy efficiency (still relevant for undemanding tasks).
- 📶 Support 4G VoLTE (in some regions), but with reservations - on stock firmware may not work with Russian operators.
Critical feature: Xiaomi officially stopped supporting updates for the Mido in 2019.The latest stable version MIUI — 11 based on Android 7.0 Nougat.This means that without custom firmware, the smartphone is vulnerable to modern security threats.
The difference between Xiaomi Mido and Redmi Note 4X (Nikel) and other modifications
Xiaomi has released several variations of the Redmi Note 4, which is often confusing.
| Model | Code name | Processor | Region | Features |
|---|---|---|---|---|
| Redmi Note 4 | Mido | Snapdragon 625 | Global (including Russia) | Support for VoLTE, metal body |
| Redmi Note 4X | Nikel | Snapdragon 625 | China | Without VoLTE, another radio frequency module |
| Redmi Note 4 MTK | Nikel (sometimes) Mido_MT) | Mediatek Helio X20 | China/India | Weaker in productivity but cheaper |
The main pitfalls:
- 🚫 Incompatibility of firmware: You can not install firmware from Nikel on Mido - this will lead to a "brick" (breakdown) of the device.
- 📡 VoLTE issues: On Chinese versions (Nikel), this feature is often missing, and on global versions (Mido) it may not work with Russian operators.
- 🔄 Different versions MIUI: Chinese models have been getting updates longer but with localized restrictions (e.g., no Google Services).
How do you define your model? Go to Settings → The phone. → Version. MIUI And look at the line Model number:
- Redmi Note 4 is Mido.
- Redmi Note 4X — Nikel.
⚠️ Note: When buying a used Redmi Note 4 be sure to check the code name! Sellers often give the Chinese Nikel for the global Mido, and this is fraught with problems with firmware and networks.
Pros and cons of Xiaomi Mido in 2026
7 years after the release of Xiaomi Mido remains in demand in the secondary market. But should you buy it today?
✅ Advantages
- 💪 Reliability: Corning Gorilla Glass 3’s metal case and protected glass can withstand years of use.
- 🔋 Battery: 4100 mAh lasts 1.5-2 days with moderate use (even with a worn-out battery).
- 🎮 Performance: Snapdragon 625 still pulls PUBG Mobile on low settings and most everyday tasks.
- 💰 Price: In the secondary market you can find for 3-5 thousand rubles (2026) - ideal for a spare phone.
❌ Deficiencies
- 🛡️ Security: The latest official firmware — MIUI 11 on Android 7.0, making the smartphone vulnerable to viruses.
- 📸 Camera: 13 MP by modern standards is weak (no night mode, HDR malfunction).
- 🔄 Updates: Xiaomi has long ceased support – new applications (for example, banking) may not be installed.
- 📶 Network: Some firmware does not work with VoLTE and ViLTE (calls on the phone) 4G) with Russian operators.
Who will Mido be in 2026?
- 📱 Second phone: For calls, instant messengers and navigation.
- 🎵 Multimedia: Good screen and sound for video and music.
- 🔧 Fans of custom firmware (for example, LineageOS or Pixel Experience).
Who shouldn't take:
- 📸 Photographers: Camera is weak even for social networks.
- 🎮 Gamers: Modern games like Genshin Impact will not pull.
- 🔒 Business Users: An Outdated OS Is a Data Security Risk.
💡
Xiaomi Mido in 2026 is a “eternal” smartphone for undemanding tasks, but only if you install custom firmware (for example, LineageOS 20 based on Android 13).
How to flash Xiaomi Mido: step-by-step instructions for beginners
Official updates for the Mido have long since ceased, but enthusiasts continue to support the device through custom firmware.
- 📱 LineageOS – pure Android without extra software.
- 🔄 Pixel Experience – firmware with an interface like Google Pixel.
- 🔧 MIUI Pro - a modified version of the stock MIUI featured.
You'll need firmware.
Unlock the bootloader (Bootloader)
Install TWRP Recovery
Download firmware (e.g. LineageOS 20)
Make a backup of data (required!)
Charge your phone at least 50 times%-->
Step-by-step:
- bootloader Unlock: Go to Mi Unlock, log in and follow the instructions.Caution: Xiaomi may refuse to unlock if the account is new (it takes 7-30 days to wait for fastboot oem unlock).
- Installation TWRP: Download the latest version TWRP For Mido from twrp.me and run through fastboot: fastboot flash recovery twrp-3.7.0_mido.img fastboot boot twrp-3.7.0_mido.img
- Custom OS firmware: B TWRP run the Wipe → Advanced Wipe (tag Dalvik, Cache, System, Data), then install the downloaded Wipe. ZIP-firmware.
⚠️ Note: Firmware on unofficial Android versions may result in loss of warranty (if it is still valid), sensors that are broken, or mobile network problems!
What if the network does not work after the firmware?
Comparison of Xiaomi Mido with modern budget smartphones
Can the Redmi Note 4 compete with new budget players like Redmi? 12C POCO C55? Compare the key parameters:
| Parameter | Xiaomi Mido (2017) | Redmi 12C (2023) | Poco C55 (2023) |
|---|---|---|---|
| Processor | Snapdragon 625 (8 cores, 2.0 GHz) | Mediatek Helio G85 (8 cores, 2.0 GHz) | Mediatek Helio G85 (8 cores, 2.0 GHz) |
| RAM/ROM | 3/32 GB (max.) | 4/128 GB | 6/128 GB |
| Screen. | 5.5", Full HD (401 ppi) | 6.71", HD+ (268 ppi) | 6.71", HD+ (268 ppi) |
| Battery | 4100 mAh (removable) | 5000 mAh (non-removable) | 5000 mAh (non-removable) |
| Camera. | 13 MP (main) | 50 MP (main) | 50 MP (main) |
| Android | 7.0 (last official) | 12 (updated to 13) | 12 (updated to 13) |
| Price (2026, b/y) | 3-5 thousand rubles. | 10-12 thousand rubles (new) | 12-14,000 rubles (new) |
Conclusions:
- ⚡ Performance: Snapdragon 625 in Mido still not inferior to Helio G85 In everyday tasks, but loses in games.
- 📸 Camera: 13 MP vs 50 MP – the difference is huge, but for social networks will be enough and Mido.
- 🔋 Battery: 4100 mAh vs 5000 mAh – a difference of 20%, but the Mido battery is removable (you can replace it cheaply).
- 💰 Price: Mido is 2-3 times cheaper than new state employees, but with an outdated OS.
Who is Mido still relevant to?
- 🛠️ Repairmen: Easy to find parts (screens, batteries, cameras).
- 🔧 Enthusiasts: The ideal platform for experimenting with firmware.
- 💸 Cost-effective: for 3-5 thousand rubles. this is the best option for a spare phone.
💡
If you choose between the used Mido and the new Redmi 12C, Pay attention to the screen: the old model has full resolution HD (1920×1080), And the new one, just HD+ (1600×720). It's critical to watch the video!
Xiaomi Mido’s Frequent Problems and How to Solve Them
Even after years of operation, the Redmi Note 4 may be a stable one, but it has typical diseases.
🔋 Fast battery discharge
If the battery goes down in a few hours, the reasons may be as follows:
- 🔌 Battery wear: After 3-4 years, the capacity drops to 60-70%. The solution is to replace it with a new one (costs) ~500-800 rubles.).
- 🤖 Background processes: On legacy Android, many apps are "eating" charge. Check in Settings → Battery.
- 🔄 Unoptimized firmware: Custom OSes (such as older versions of LineageOS) can use energy faster than stock MIUI.
📶 Network problems (no) 4G, call's not working)
Typical scenarios and solutions:
- 📡 VoLTE does not work: on stock firmware may not be supported by Russian operators. 4PDA).
- 🔌 Network Disappears: Check the settings APN Or reflash the modem through TWRP.
- 🔄 Weak signal: Possibly oxidized antenna contacts (repair needed).
🎯 Hanging and lags
Causes and means of elimination:
- 🧹 Trash memory: Clear the cache in Settings → Memory or reset to factory settings.
- 🔄 Outdated firmware: Update to the latest version MIUI 11 or install a custom OS (e.g. Havoc-OS).
- 🔋 CPU Trottling: If the smartphone overheats, the Snapdragon 625 could artificially reduce performance.Solution - replacing the thermal paste.
⚠️ Warning: If the Mido stopped turning on after a fall or impact, but vibrates when charging - most likely, the screen plume has moved away or the motherboard has been damaged.