Xiaomi Poco X3 remains one of the most popular budget smartphones even a few years after its release, but when buying this device, many people face a dilemma: which firmware to choose? the official MIUI from Xiaomi, the global version, Chinese firmware or immediately custom (for example, Pixel Experience or LineageOS)?
In this article, we will look at all the firmware options for the Poco X3 (model M2007J20CG), their key features, pros and cons, you will learn which firmware is suitable for everyday use and which is suitable for experiments with custom builds, we will also give recommendations for choosing when buying a used device and tell you how to avoid common mistakes when flashing.
1. Official MIUI firmware: global vs Chinese version
Xiaomi offers several official versions of MIUI for Poco X3, and their difference is not limited to the interface language.
- 🌍 Global firmware (MIUI Global – optimized for the international market, supports Google services, but updates less frequently.
- 🇨🇳 Chinese firmware (MIUI China gets updates faster, but without Google services and language restrictions.
- 📱 Poco firmware (MIUI for POCO) — modified MIUI with unique design and optimizations for gamers.
The global version is suitable for most users, as it supports Google Play, GMS and all necessary languages out of the box, but it updates more slowly than Chinese, and some features (such as themes or system applications) can be cut down. Chinese firmware, on the contrary, receives security patches and new features earlier, but requires manual installation of Google Apps and may contain unnecessary Chinese services.
Poco firmware (e.g. MIUI 12.5 Enhanced for POCO) is the gold standard for the Poco X3. It combines the benefits of a global version with additional optimizations for performance and game mode. If you buy a new device, it’s better to choose one.
⚠️ Note: When buying used Poco X3 Check the firmware version through Settings → The phone. → Version. MIUI. If your device is Chinese firmware, be prepared to manually install the Google Services Framework or completely flash it.
2. Custom firmware: Pixel Experience, LineageOS and others
If official MIUI You're not happy with ads, unnecessary apps or slow updates, you can consider custom firmware. X3 well-worked:
- 📱 Pixel Experience – pure Android with Google Pixel chips (like Now Playing for music recognition).
- 🛠️ LineageOS – stable firmware with minimalist design and long support.
- 🎮 Corvus OS ArrowOS – for fans of customization and improved performance.
The main advantages of custom firmware:
- ✅ No advertising and bloatware (extra Xiaomi apps).
- ✅ More recent versions of Android (for example, Android 13 instead of Android 11 in the latter) MIUI POCO X3).
- ✅ Ability to fine-tune the interface and performance.
There are, however, downsides:
- ❌ No official support – updates depend on enthusiasts.
- ❌ The risk of loss of warranty (if you unlock the bootloader).
- ❌ Camera bugs are possible, NFC or sensors (depending on the assembly).
What firmware is NOT recommended to be put on Poco X3?
Important: Poco X3 has Anti-Rollback protection, so downgrading the MIUI version or firmware on older custom builds can lock the device permanently.Be sure to check compatibility with your MIUI version and model (M2007J20CG or M2007J20CI) before installing custom software.
Comparison of firmware: table of pros and cons
| Firmware | Pluses | Cons | Recommendation |
|---|---|---|---|
| MIUI Global | Stability, Google services, Russian language, guarantee | Advertising, slow updates, bloatware | For most users |
| MIUI China | Fast updates, new features | No Google, Chinese Services, Limited Languages | For enthusiasts ready for manual tuning |
| MIUI for POCO | Optimized for play, less advertising, quick work | Updates are less frequent than in the China version | The best choice when buying a new machine |
| Pixel Experience | Pure Android, Pixel chips, no ads | There may be camera or NFC bugs | For stock Android fans |
| LineageOS | Stability, long-term support, minimalism | Fewer functions than in MIUI | For those who value reliability |
4. Which firmware to choose when buying used Poco X3?
When buying a used Poco X3, first check:
- The firmware version (Settings → About the phone → MIUI version).
- Fastboot oem device-info – if unlocked: true, the warranty is already lost.
- The main functions: camera, NFC, fingerprint sensor, charging.
If a device running MIUI Global or MIUI for POCO is the best option, Chinese firmware will require additional manipulation, and customware may hide problems (for example, a faulty battery or an overheating processor).
Battery status (in Settings → Battery → Status)
Operation of all cameras (main, wide-angle, macro)
No "brick" (the device must be switched on and loaded)
IMEI status (type *#06# - if unknown, the device is blacklisted)
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If the seller claims that the smartphone is “full-time, but will be caste-wise,” ask to show:
- 📸 The work of all cameras (in custom firmware often bugs with a macro module).
- 🔋 Battery life (some firmware greatly reduces battery life).
- 🎮 Game performance (Genshin Impact test or Call of Duty Mobile test).
⚠️ Attention: If in Settings → Phone number listed. MIUI 14, But the smartphone doesn't officially support this version -- you're looking at a fake or an unstable custom build. X3 (surya/karna) Not getting updates above MIUI 13.
5. How to reflash Poco X3: a brief instruction
If you decide to change the firmware, follow this algorithm:
- Unlock the bootloader through the official Mi Unlock Tool (requires a Xiaomi account binding and a wait of 7-15 days).
- Install. TWRP — custom recovery for firmware. X3 fitting twrp-3.7.0_12-v6.6_A12-surya-karna.
- Make a backup of the current firmware through TWRP (Backup section).
- Sweep through a new firmware (e.g., Pixel Experience) through Install in TWRP.
- Clear the cache (Wipe → Format Data) and restart.
Commands to check the unlock of the loader:
adb reboot bootloader
fastboot oem device-infoIf you see Device unlocked: true, you can cross-cut the caste. If false, unlock it through the Mi Unlock Tool first.
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Before you run your firmware, disable encryption in Settings → Security → Encryption. This will speed up the process and reduce the risk of errors.
6. Frequent mistakes and how to avoid them
When working with firmware on Poco X3, users often face problems:
- 🔴 "Brick (not included) - usually due to an incorrect firmware version or an interrupted process. MIUI with the Mi Flash Tool.
- 📵 No network is a common problem after firmware custom builds. Check whether the firmware supports your model (surya or karna).
- 🔋 Fast battery discharge - unoptimized cores or background processes are to blame. Solution: back on the grid. MIUI Or you can use another custom firmware.
To minimize the risks:
- Always check the device model (M2007J20CG or M2007J20CI) – the firmware is not interchangeable!
- Don’t flash firmware for the Poco X3 Pro or Poco X3 NFC, which are other hardware devices.
- Use only trusted sources (e.g. XDA Developers or the official Xiaomi website).
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If the phone doesn't turn on after the firmware is installed, don't panic. In 90% of cases, it can be restored via Fastboot using the official firmware and the Mi Flash Tool. USB-cable!