- Aug 3, 2025
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The Redmi A4 5G (codename "warm"), also released as the POCO C75 5G, is a budget-friendly 5G smartphone powered by the Qualcomm Snapdragon 4s Gen 2 processor. It runs the latest HyperOS 2.0 based on Android 15. This firmware is necessary to unbrick the device, fix system errors, or manually update to the latest security patch.
CRITICAL WARNING: 4G vs 5G MODEL 
Please verify your device model carefully before flashing:
Below are the technical specifications for the "warm" firmware.
Select the file that corresponds to your installation method.
Note: Official India (IN) Fastboot ROM. Use this with Mi Flash Tool.
Note: Official India (IN) Recovery ROM (OTA). Use this with the System Updater app.
Before you begin, ensure you have the following:
These firmware files are flashed using the Mi Flash Tool. This will erase all your data.
Disclaimer: This process is performed at your own risk. We are not responsible for any data loss, bricked devices, or damage. Please ensure your device codename is warm (Redmi A4 5G / POCO C75 5G). Flashing this file on the 4G "lake" version will permanently damage the device. If you have any problems, please drop a comment on the thread.
Please verify your device model carefully before flashing:
- Codename Match: This firmware is ONLY for the Redmi A4 5G / POCO C75 5G (codename "warm").
- Wrong Device: Do NOT flash this on the POCO C75 4G / Redmi 14C (codename "lake"). Flashing 5G (Qualcomm) firmware on the 4G (MediaTek) model will hard-brick the device.
- Build ID: Ensure your current build number starts with VGV. If it starts with VGT, you have the 4G version ("lake") and MUST NOT use this file.
- Data Loss: Flashing a Fastboot ROM (.tgz) will erase all internal data. Back up your files first.
Redmi A4 5G / POCO C75 5G (warm) Firmware Details
Below are the technical specifications for the "warm" firmware.| Device Name: | Redmi A4 5G / POCO C75 5G |
| Codename: | warm |
| Chipset: | Qualcomm Snapdragon 4s Gen 2 |
| Android Version: | 15 (HyperOS 2.0) |
| Build ID Prefix: | VGV (e.g., VGVINXM) |
| File Type: | Fastboot ROM (.tgz) / Recovery ROM (.zip) |
| Flashing Tool: | Mi Flash Tool |
Download Official Firmware for Redmi A4 5G (warm)
Select the file that corresponds to your installation method.Note: Official India (IN) Fastboot ROM. Use this with Mi Flash Tool.
- Filename: warm_in_global_images_OS2.0.203.0.VGVINXM_20251021.0000.00_15.0_in_13654be440.tgz
- Size: 5.52GB
- Build Date: 2025-10-21
- Build Version: OS2.0.203.0.VGVINXM
- Android Version: 15.0
- Download Link: Download from Xiaomi Server
Note: Official India (IN) Recovery ROM (OTA). Use this with the System Updater app.
- Filename: warm_in_global-ota_full-OS2.0.203.0.VGVINXM-user-15.0-75f5c1cd84.zip
- Size: 3.86GB
- Build Date: 2025-10-21
- Build Version: OS2.0.203.0.VGVINXM
- Android Version: 15.0
- Download Link: Download from Xiaomi Server
The Requirements
Before you begin, ensure you have the following:- PC/Tools: A Windows PC.
- Bootloader: An unlocked bootloader on your device.
- Cable: A reliable USB-C cable.
- Backup: A full backup of your data (Flashing will wipe internal storage).
- Software: Xiaomi MI Flash Tool installed on your PC.
- Drivers: Qualcomm USB drivers installed.
How to Flash the Firmware
These firmware files are flashed using the Mi Flash Tool. This will erase all your data.Method 1: Flashing Fastboot ROM (.tgz)
- Step 1: Download your chosen
firmware file and extract it to a simple folder on your PC (e.g.,Code:
.tgz). Do not use a folder path with spaces.Code:C:\warm_rom - Step 2: Download, extract, and run MiFlash.exe as an administrator.
- Step 3: Power off your phone completely. Boot into Fastboot Mode by pressing and holding the Power + Volume Down buttons until the fastboot logo appears.
- Step 4: Connect your phone to the PC via USB. Click the "Refresh" button in Mi Flash Tool to detect the device.
- Step 5: Click "Select" and navigate to the extracted firmware folder (the folder containing the
folder).Code:
images - Step 6 (CRITICAL): At the bottom of the tool, select "Clean all".
- WARNING: Do NOT select "Clean all and lock" if you are cross-flashing regions. This will BRICK your phone.
- Step 7: Click "Flash" to begin. The process may take several minutes.