This page provides the direct download link for the official BQ Mobile BQ-5004G Fox stock firmware. Released in late 2018, the BQ-5004G Fox is a compact, entry-level smartphone designed for users who need basic functionality in a small form factor. It is powered by the MediaTek MT6580 chipset and runs on Android 8.1 (Go Edition), an operating system specifically optimized by Google for devices with 1GB of RAM or less. This ensures a smoother experience for essential tasks like calling, browsing, and using lightweight applications.
Over time, even optimized software can encounter issues. If your BQ-5004G Fox is stuck in a bootloop, has become extremely slow, is affected by viruses, or is failing to boot up at all, reinstalling the official stock ROM is the most effective solution. This flash file will restore your device to its original factory state, resolving deep-seated software conflicts and performance degradation. Following this guide will allow you to unbrick your phone and give it a fresh start.
User Data Advisory for the BQ-5004G Fox
IMPORTANT WARNING: The process of flashing firmware will perform a complete wipe of your phone’s internal memory. All your personal data, including photos, contacts, applications, and files, will be permanently deleted. Please ensure you have backed up all important information before you proceed. This procedure is intended for advanced users; proceed at your own risk.
BQ-5004G Fox: Quick Device Specifications
- Device Name:
- BQ Mobile BQ-5004G Fox
- Release Date:
- October 2018
- Chipset:
- MediaTek MT6580 (28nm)
- Display:
- 5.0 inches, TN, 854 x 480 pixels
- Battery:
- Li-Ion 2000 mAh, removable
- RAM/Storage:
- 1GB RAM, 8GB Internal Storage
- Original OS:
- Android 8.1 Oreo (Go Edition)
- Connectivity:
- 3G HSPA+, Wi-Fi, Bluetooth 4.0, Dual SIM
Required Downloads
To flash the firmware onto your MediaTek-powered device, you will need the following software. Download and extract them to your computer.
- Firmware Package: The official OS for the BQ-5004G Fox from the table below.
- SP Flash Tool: The software utility used to flash firmware on MediaTek devices.
- MediaTek VCOM USB Drivers: Essential drivers that allow your PC to communicate with the phone in flashing mode.
Download BQ-5004G Fox Stock Firmware
| Region / Build | Android Version | Chipset | Download Link |
|---|---|---|---|
| V005 (2018-12-27) | Android 8.1 (Go Edition) | MediaTek MT6580 | Download (Google Drive) |
How to Flash Firmware on BQ-5004G Fox
Flashing the firmware onto a MediaTek device like the BQ-5004G Fox requires a specific program called SP Flash Tool. The following is a brief overview of the procedure. For the complete, step-by-step instructions with necessary precautions and downloads, you must read our full guide linked below.
- First, install the correct MediaTek VCOM USB drivers on your computer.
- Launch the SP Flash Tool and load the scatter file (MT6580_Android_scatter.txt) from within the extracted firmware folder (e.g.,
BQ_Mobile_BQ-5004G_Fox_...zip). - Set the tool to “Download Only” mode, turn off your phone, and click the “Download” button.
- Connect your phone to the computer via USB to begin the process, which is complete when a green checkmark appears.
This summary omits critical details. For the full, safe instructions, please visit our complete guide: How to Flash Stock Firmware on MediaTek Smartphones.
Troubleshooting Common Issues
1. SP Flash Tool Shows a BROM ERROR (e.g., 4032, 5054)
Cause: BROM errors are the most common issue when using SP Flash Tool. They can be caused by incorrect USB drivers, an incompatible version of the tool, a faulty USB cable/port, or an incorrect flashing procedure.
Solution: First, ensure you have correctly installed the Mediatek VCOM drivers. Try using an older or newer version of SP Flash Tool, as some are better suited for older chipsets like the MT6580. Always use a high-quality USB cable connected to a main port on your PC. For the BQ-5004G Fox, try starting the flash with the battery removed from the device.
2. Invalid IMEI or No SIM Detected After Flashing
Cause: This serious issue occurs when the NVRAM partition, which stores your phone’s unique IMEI numbers, gets corrupted or wiped. This almost always happens if you use the “Format All + Download” option in SP Flash Tool.
Solution: Restoring the IMEI is an advanced process. If you have an NVRAM backup, you can restore it. If not, you will need to use a tool like Maui META to manually rewrite the original IMEI numbers (found on a sticker under the battery) to the phone. Always use “Download Only” mode to prevent this.
3. Phone is Stuck on Google FRP Lock After a Reset
Cause: If you factory reset the phone without removing your Google account first, Factory Reset Protection (FRP) is triggered. Flashing the stock ROM may not always remove it.
Solution: You can use a specific feature in SP Flash Tool to remove the FRP lock. This involves going to the “Format” tab, selecting “Manual Format Flash”, and entering the physical start address and length for the FRP partition. You can find these values inside the scatter file. This will manually erase the lock, allowing you to set up the phone with a new account.
Frequently Asked Questions (FAQs)
- What is Android (Go Edition) and why is it on this phone?
- Android (Go Edition) is a lightweight version of the Android OS designed by Google specifically for low-end devices like the BQ-5004G Fox that have 1GB of RAM or less. It uses less storage, consumes less memory, and comes with special “Go” apps to ensure basic performance.
- My phone’s storage is full even after a fresh install. Why?
- The BQ-5004G Fox comes with only 8GB of internal storage. The Android OS itself takes up about 4-5GB, leaving you with very little usable space. It is crucial to use a microSD card for photos and media and to install only essential, lightweight applications.
- Will flashing this firmware void my warranty?
- Yes. Manually flashing firmware is considered an unauthorized modification by most manufacturers and will almost certainly void any remaining warranty on your device.
- What does the “Download Only” mode in SP Flash Tool do?
- “Download Only” is the safest flashing mode. It updates or overwrites the partitions specified in the scatter file without formatting the entire device. This preserves important partitions like NVRAM (which holds your IMEI) and is the recommended mode for most situations.
Conclusion
Reinstalling the stock firmware on your BQ-5004G Fox is the most powerful tool at your disposal for fixing software problems. By using SP Flash Tool and the official firmware provided here, you can resolve bootloops, remove viruses, and restore the phone’s performance to its factory state. Remember to follow the steps carefully and always back up your data first.
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