How to roll back firmware on Xiaomi Poco X3 Pro: 3 proven methods

Updating firmware on Xiaomi Poco X3 Pro doesn’t always go smoothly: new versions of MIUI can bring bugs, slow down or remove favorite features. rolling back firmware is the only way to restore stability, but the procedure requires accuracy. Unlike a regular update, here the risk of turning the smartphone into a “brick” higher — especially if you do not consider the nuances of unlocking the bootloader or version compatibility.

This article covers all current rollback methods (including the official Fastboot and the unofficial ones). TWRP), We don't advise you to "just download the old firmware" -- instead, you'll get step-by-step instructions tailored to the specifics of Poco. X3 Pro (vayu model), including work with EDL-bypassing and bypassing the locks Xiaomi.

⚠️ Critical warning: Firmware rollback on Poco X3 Pro versions MIUI 14+ older (e.g. older, MIUI 12) may result in data loss IMEI It's about updating the radio module in new builds, and if your goal is just to remove bugs, try alternative solutions first.

Why you might need to roll back firmware

According to statistics from the XDA Developers Forum, about 30% of Poco X3 Pro users experience problems after a MIUI update.

  • 🐢 Performance: New versions MIUI They are often optimized for new models, and Poco is also a great choice. X3 Pro (2021) begins to “brake” due to the background of miui.analytics and unnecessary services.
  • 🔋 Autonomy: Updates to MIUI 13/14 Increased battery consumption on Snapdragon 860 before 15-20% by aggressively optimizing the core.

Before you start rolling back, check if the problem will solve:

  • ⚙️ Resetting settings through Settings → The phone. → Resetting (saves data but removes settings).
  • 🔄 Transition to stable line MIUI (if you're in beta).
  • 🛠️ Installation of a custom core (e.g. Perseus) to optimize performance.
📊 What problem made you think about the rollback of firmware?
Brakes and lags
Fast battery discharge
Loss of functions (Game Turbo, DC Dimming)
Critical bugs (Wi-Fi, mobile network)
Another reason.

Preparation for rollback: what to do in advance

Unprepared firmware rollback on Poco X3 Pro in 90% of cases ends in errors such as anti-rollback or hanging on the MI logo.

1. Check the current version of the firmware

Open Settings → About Phone → MIUI version. Write down:

  • 📱 Version MIUI (for example, 14.0.3.0.SJUMIXM).
  • 📅 Assembly date (in format) YYYYMMDD).
  • 🔢 Android build number (for example, TKQ1.221114.001).

This data will be needed to select a compatible firmware (see table below).

2 Unlocking the bootloader (Bootloader)

Without unlocking the bootloader, you will not be able to install the old firmware via Fastboot or TWRP. The procedure takes 72 hours (according to Xiaomi rules):

  1. Link your Mi Account to your device in Settings → Xiaomi Account.
  2. Activate Developer Options (7 taps according to MIUI version).
  3. Enable OEM Unlock and USB Debugging.
  4. Download the Mi Unlock Tool and follow the instructions.

⚠️ Note: If you have already unlocked the bootloader before but haven't updated the firmware in a long time, Xiaomi can block it again:

fastboot oem device-info

Search for Device unlocked: true.

3. Data backup

Firmware rollback erases all data (including internal memory).

  • 📱 Mi Cloud: Sync contacts, notes, photos.
  • 💾 Local backup: In Settings → Additionally. → Backup Create an Archive (Save to PC).
  • 🔧 TWRP Backup: If you already have custom recaps installed, make a full backup section /data.

bootloader unlocked (checked through fastboot)

Created a backup (Mi Cloud + local archive)

Downloaded firmware with the correct version of Android

Charged ≥50% battery (risk of shutdown during process)

Drivers installed ADB/Fastboot PC-only-->

The safest way is to use official firmware from Xiaomi and the Mi Flash Tool. Suitable for rollback to stable versions of MIUI without losing IMEI.

Step 1: Download the correct firmware

The firmware for Poco X3 Pro (vayu) is divided into:

  • 🌍 Global (MIUI for POCO): For international devices (e.g, V14.0.3.0.SJUMIXM).
  • 🇨🇳 China: Chinese version only (not compatible with global versions!).
  • 🇪🇺 EEA: For Europe (with Google services pre-installed).

Download the firmware only from official sources:

  • 🔗 Official website MIUI (choose POCO X3 Pro → Fastboot).
  • 🔗 Xiaomi Firmware Updater (archive of older versions).

Critical rule: The new firmware version of Android should match the current one! For example, if you have Android 12, you can't roll back on the firmware with Android 11 - this will cause an anti-rollback error.

Current version of MIUIPermissible version for rollbackRisks.
14.0.x.x (Android 13)13.0.x.x (Android 13)Low (if you don't change Android)
13.0.x.x (Android 12)12.5.x.x (Android 11)High (possible loss of IMEI)
12.5.x.x (Android 11)12.0.x.x (Android 11)Minimum

Step 2: Installation with Mi Flash Tool

Instructions for Windows:

  1. Unpack the downloaded firmware (.tgz →.tar).
  2. Install ADB/Fastboot drivers.
  3. Launch the Mi Flash Tool, press Select and select the firmware folder.
  4. Transfer your phone to Fastboot: Turn off the device, press Power + Vol−.
  5. Connect Poco X3 Pro to your PC and press Refresh in Mi Flash.
  6. Select Clean All and press Flash.

⚠️ Note: If Mi Flash produces an anti-rollback error, you are trying to install firmware with an older build date than allowed. MIUI (13.0.5.0 instead of 13.0.1.0).

💡

If the Mi Flash Tool is 99 percent dead, turn off your phone, restart your PC, and repeat the process. USB-port (use) USB 2.0, not 3.0).

Method 2: Recoil through TWRP (for power users)

If the official method is not suitable (for example, you need to roll back on custom firmware), use TWRP. This method is more risky, but gives more control.

Step 1: Installation of TWRP

For the Poco X3 Pro (vayu), an unofficial TWRP from wrzd is suitable:

  1. Download the latest version of TWRP for vayu.
  2. Rename the file to twrp.img and place it in a folder with platform-tools.
  3. Transfer your phone to Fastboot and execute the command: fastboot flash recovery twrp.img fastboot reboot recovery

⚠️ Attention: After installation TWRP Don't reboot to the system, start rolling back immediately, or the stockware will overwrite the recaveri.

Step 2: Install the old firmware

TWRP:

  1. Click Wipe → Advanced Wipe and tick Dalvik, Cache, Data, System.
  2. Transfer the firmware (.zip) to your phone via MTP (plug in to your PC).
  3. Press Install, select the firmware file and confirm.
  4. After installation, run Wipe Cache/Dalvik and restart.

Important: If you install custom firmware (like Pixel Experience), first check the kernel compatibility with the Poco X3 Pro modem. The mismatch will result in network loss!

What if TWRP doesn’t see internal memory?
If TWRP not displayed /data, It means it's encrypted: 1. Download the Method 3: Pushback through EDL (Emergency mode) If the phone does not turn on or is stuck on the logo MI, remains EDL-This method requires an authorized Xiaomi account and a special cable. EDL: 🔄 The phone is locked on the boot (bootloop). 🚨 The anti-rollback error blocked the bootloader. 🔌 The device does not respond to Fastboot.Instructions: Download Mi Flash Pro and firmware in.mbn format. Connect the phone to the PC, holding the Vol+ + Vol−, Then insert the cable (should be defined as Qualcomm) HS-USB QDLoader 9008). In Mi Flash Pro, select firmware and press Flash. ⚠️ Attention: Use of informal EDL-Firmware may result in the blocking of Mi Account due to violation of Xiaomi policy. We recommend contacting the service center if you are not sure of your actions. Typical errors and their solutions Even with accurate follow-up to the instructions, you can have problems. Search firmware with the same Android version but a newer build date. Invalid sparse file Damaged firmware file or incompatible version. Download firmware again, check hash (SHA256). 40% freeze in Mi Flash Driver Conflict or USB-Use the port. USB 2.0, disable the antivirus, repeat the process. IMEI after rollback Incompatibility of radio module(s) IMEI through QCN-file (backup required). 💡 Tip: If Wi-Fi or mobile network is missing after rollback, check the modem version with the command: fastboot getvar all Look for modem and baseband lines. If you do not match the firmware, you need to flash the modem separately. 💡Before rolling back, always check the compatibility of Android versions and firmware build date. Even official firmware can contain anti-rollback protection if released later than the current version. If a rollback seems too risky, try these ways to return to work: 🔄 Downgrade through OTA: Sometimes Xiaomi allows you to roll back on the previous version MIUI through settings → Updating the system → Three points. → Select the service pack. Download.zip firmware from Xiaomi Firmware Updater and select it manually. 🛠️ Custom core installation: Cores like Perseus or FrancoKernel optimize performance without rollback. 🧹 Cache cleanup: B TWRP run the Wipe → Advanced Wipe → Dalvik + Cache.It often solves lag problems. 📱 Switching to custom firmware: LineageOS or Pixel Experience can be more stable than stock MIUI. 📌 Before experimenting with custom firmware, check Poco support X3 Pro (vayu) on the forum XDA. FAQ: Frequent questions about the rollback of firmware Can I roll back with MIUI 14 on MIUI 12 No, rolling back to an older version requires a complete cleanup of the partition. /data (The only way to save data is to pre-create a backup through TWRP Or Mi Cloud and restore it after rollback. However, some system settings (such as application data) will still be lost. What if the phone doesn't turn on after rollback? There's probably a firmware error (incompatible version or interrupted process). Repeat the firmware via Fastboot with another version MIUI. Use it. EDL-Regime (authorization required). Contact Xiaomi Service Center (if warranty is valid) If the phone vibrates when you press the power button, but the screen is black - a problem in the display drivers (you need to flash the correct one). dtbo.img). How to check if the bootloader is unlocked? Turn off the phone, then press the Power + Vol−, To log in to Fastboot. Connect your device to your PC and execute the command: fastboot oem device-info Search for the lines: Device unlocked: true - bootloader unlocked. Device unlocked: false - locked (you need to unlock through Mi Unlock Tool). Why can't Mi Flash Tool see the phone? The problem is usually related to drivers or USB-Check if drivers are installed. ADB/Fastboot. Whether the original cable is used (not used) USB 3.0!). Is the antivirus disabled (it can block Mi Flash) Phone is really in Fastboot mode (a screen with a rabbit and the words Fastboot). If nothing works, try running Mi Flash on behalf of the administrator or using another PC. Can I roll back the firmware without unlocking the bootloader? No. Without an unlocked bootloader, you can only update the firmware via OTA or Recovery, but rollback to the old version is impossible. Exception is if Xiaomi officially allows downgrade through Settings → System Update (which is extremely rare). Bypassing this restriction (for example, through exploits) can lead to a complete loss of warranty and “bricking” of the device.