Xiaomi Redmi Pro firmware: official and custom methods

Xiaomi Redmi Pro is a procedure that can bring the device back to life after crashes, and add new features through custom builds. However, the wrong actions often turn the phone into a “brick”, especially if we are talking about models with a locked bootloader. In this article, we will analyze all the current methods of firmware, from official updates through MIUI Updater to the installation of custom receptacles and global ROM through Fastboot.

It’s important to understand that the Redmi Pro (codenamed omega) is a 2016 device with a MediaTek Helio X25 processor, which puts restrictions on compatibility with modern firmware. For example, official MIUI support for this model has long been discontinued, and custom builds (like LineageOS or Pixel Experience) require additional kernel manipulations. We’ll look at all the nuances, including unlocking the bootloader, choosing the right version of firmware, and bypassing typical bugs like anti-rollback.

Preparation for firmware: what to do before the start

Before you start firmware, make sure that all the preliminary steps are followed, which minimizes the risks of turning the Redmi Pro into a non-working device.

• 📱 Check the device model: go to Settings → The phone. → Model. Xiaomi Redmi Pro should be specified (omega code), firmware for Redmi Note Pro or other models will not work!
• 🔋 Battery charge: at least 60%. When discharged during firmware through Fastboot, the device may hover on the logo.
• 💾 Backup: Use Mi Mover or TWRP The firmware erases internal memory!
• 🖥️ Drivers and tools: install the Mi Flash Tool (for Fastboot) or ADB/Fastboot Drivers (for working with the command line).

Pay special attention to unlocking the bootloader. On Redmi Pro, it is done through the official Mi Unlock app, but since 2023 Xiaomi has tightened the rules: now you need to link your Mi Account to the device 72 hours before unlocking. If you bought the phone from your hands, the previous owner must delete your account through Settings → Mi Account → Delete the account.

Official firmware through MIUI Updater

The safest method is to upgrade through the built-in MIUI Updater, which is suitable for installing stable and beta versions of MIUI, but has limitations:

• 🔄 Incremental Updates Only: If Your Version MIUI It is very old (for example, MIUI 8), you will have to download the full firmware package manually.
• 🌍 Regional constraints: global ROM (Global and Chinese (China) are not interchangeable without unlocking the bootloader.
• 🚫 No Downgrade: You can’t roll back to an older version because of anti-rollback protection.

Instructions:

1. Open Settings → About the phone → System update.
2. Click on the three dots in the top right corner and select Select Service Pack.
3. If the update is not automatically available, download it from the official Xiaomi website (select the version for Redmi Pro).
4. After downloading the file with the.zip extension, confirm the installation.

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If the update has hung during the checkout phase, restart your phone to Recovery (clip Power + Volume up) and select Apply update from ADB.

Important: After upgrading via MIUI Updater, the smartphone can automatically lock the bootloader if it has been unlocked before. This is normal behavior - you will have to repeat the unlock.

Fastboot (Mi Flash Tool)

The Fastboot method is used to install official firmware manually, restore after a crash or change the regional version of MIUI. For Redmi Pro, this method is mandatory if:

• 📴 The device does not turn on (hung on the Mi logo).
• 🔓 Change the region (for example, from China to Global).
• 🛠️ Recovery is required after a failed firmware through TWRP.

Step-by-step:

1. Download the firmware: choose the Fastboot version from the Xiaomi Firmware Updater site. omega-marked builds are relevant for Redmi Pro.
2. Unpack the archive in a folder without Cyrillic characters (for example, C:\rom\redmi_pro).
3. Run the Mi Flash Tool on behalf of the administrator.
4. Connect the phone in Fastboot mode: 1. Turn off the device. 2. Press Volume down + Power until the rabbit appears in the hat-eared. 3. Connect to the PC via USB.
5. In the Mi Flash Tool, press Refresh – should appear COM-Select a firmware folder and press Flash.
6. Select firmware mode: Clean all - complete cleaning (recommended when changing the region); Clean all and lock - cleaning + lock bootloader (dangerous if you need a caste!); Save user data - data storage (not always stable).

It takes 5-10 minutes. When you're done, the phone automatically restarts. If you've had your device hang on your logo for longer than 15 minutes after you've been firmware, then you can do Hard Reset with Recovery. + Loudness up → Wipe Data).

Installation of custom firmware through TWRP

For enthusiasts who want to install LineageOS, Pixel Experience or other custom ROMs, TWRP Recovery is required.

• 🔧 No official. TWRP: Use unofficial collections from XDA Developers (Look for themes for omega).
• 🔒 An unlocked boot loader is required (see section above).
• ⚠️ Brick Risk: Incorrect firmware of the kernel or modems can disable communication modules (Wi-Fi, Bluetooth).

Instructions for installing TWRP:

1. Download. twrp-3.6.2_9-0-omega.img (or a newer version for the Redmi Pro.
2. Move the file to the folder with ADB/Fastboot.
3. Connect your phone in Fastboot mode and execute the command: fastboot flash recovery twrp-3.6.2_9-0-omega.img
4. Immediately after the firmware reboot in Recovery command: fastboot boot twrp-3.6.2_9-0-omega.img (That'll prevent replacement. TWRP on the stock Recovery at the first load).

For custom firmware installation:

1. Download. ZIP-file ROM (LineageOS 16 for omega).
2. Transfer it to your phone or flash drive (FAT32!).
3. V TWRP execute: 1. Wipe → Advanced Wipe →Dalvik/ART Cache, System, Data, Cache. 2. Install → choose ZIP-firmware. 3. Please use Gapps if you need Google services). 4. Reboot System.

⚠️ Note: Redmi Pro with MediaTek Helio processor X25 Some custom firmware may not support hardware video acceleration. Check forum reviews before installing XDA build-stability.

Unlocking the bootloader: a step-by-step guide

Without unlocking the bootloader, it is impossible to install custom recoveries or flash an informal ROM. Xiaomi has complicated the process in the latest versions of MIUI, but the old rules apply to Redmi Pro:

• 🔑 Mi Account Link: Device must be logged into Mi Account for at least 72 hours.
• 📱 Turn it on. OEM Unlock: Settings → Additionally. → For developers → Unlocking OEM.
• 🖥️ Use Mi Unlock Tool: only official utility from Xiaomi (version no lower than 5.5.224.24).

Detailed instructions:

1. Download Mi Unlock Tool from the official website.
2. Launch the utility and log in under the same Mi Account as on your phone.
3. Turn your phone into Fastboot mode (Loudness down + Power).
4. Connect to a PC. In Mi Unlock Tool, press Unlock.
5. Wait until it is completed (usually 10 to 30 seconds).

⚠️ Attention: Redmi Pro with version MIUI below 8.5, unlocking can take place without a 72-hour wait. MIUI loader locks again.

Typical errors and their solutions

Even when following the instructions, users encounter problems, and here are the most common errors in the Redmi Pro firmware and how to fix them:

• 🚨 Anti-rollback (Error 7): This occurs when you try to roll back to the old version. MIUI. The solution is to flash only new versions or use the Anti-Rollback Patch (risky!).
• 🔌 Device not defined in Fastboot: check the cable (requires original) USB 2.0), ports and drivers. Device Manager should not have exclamation points.
• 🔄 Hanging on the Mi logo: if the phone doesn’t boot for more than 10 minutes after firmware, run Wipe Data in Recovery.
• 📶 No network after firmware: run files separately modem.img and nvram.bin Fastboot: Fastboot Flash Modem modem.img fastboot flash nvram nvram.bin

If after firmware through TWRP the phone is rebooted to the recovery, then there is no kernel installed or no boot.img file.

1. Download the full firmware for your model.
2. Take boot.img out of it.
3. Fastboot: fastboot flash boot.img

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On Redmi Pro with MediaTek processor, you can not use firmware for Snapdragon devices (for example, from Redmi Note 3 Pro), this will lead to a breakdown of the modem part and the loss of IMEI.

IMEI Recovery After Firmware

One of the most frustrating problems after a failed firmware is loss. IMEI (On Redmi Pro, this is often due to partition damage. NVRAM. Restore IMEI two ways:

Method 1: Engineering menu (if the phone is switched on)

1. Open the Phone app and type ##3646633##.
2. Go to Connectivity → CDS Information → Radio Information.
3. In the field AT+ enter: AT +EGMR=1,7,"IMEI_1" AT +EGMR=1,10,"IMEI_2" (substitute IMEI_1 and IMEI_2 original numbers from the box or stickers under the battery).
4. Reboot the phone.

Method 2: Fastboot (if the phone is not turned on)

You will need a backup of the NVRAM partition (if you did it before the firmware) or a standard nvram.bin file for Redmi Pro.

1. Download nvram.bin for your model (look for 4PDA or XDA).
2. Fastboot: fastboot flash nvram nvram.bin

⚠️ Attention: Use of aliens IMEI or the generation of random numbers is illegal and may result in the device being blocked by the operator. IMEI.

FAQ: Frequent questions about the Redmi Pro firmware