Q1. My phone's 4G LTE connection keeps dropping. How can I fix this?

This is the most common complaint for the BQ-5046L. It is typically a software issue with the modem firmware. Flashing the official stock ROM is the most reliable way to fix it, as it reinstalls a clean, stable version of all the network and radio drivers.

Q2. The camera app often shows a "Camera Failed" error and won't open. Is my camera broken?

Probably not. This is a known software bug where the camera service fails to start. A full firmware reflash is the best solution, as it reinstalls the entire camera application and its system dependencies from scratch.

Q3. My phone is extremely slow and freezes all the time. Will this help?

Yes, it will restore the phone to its original factory performance. With only 1GB of RAM, the system can get bogged down easily. A clean flash removes all software clutter. To keep it running well, it's best to use lightweight "Go" edition apps.

BQ-5046L Choice LTE Stock ROM (Firmware)

The BQ Mobile BQ-5046L Choice LTE is a compact 4G smartphone running on the lightweight Android 10 (Go Edition) operating system. Designed for basic connectivity and essential apps, it serves as a functional entry-level device. However, users frequently encounter specific software issues that can be frustrating, most notably an unstable 4G LTE connection that drops intermittently, and a camera that often fails to launch. For users dealing with these problems, as well as general system lag or bootloops, flashing the official stock firmware is the most effective way to restore the phone’s software to a clean and stable state.

ℹ️ Important Note:
This phone is powered by a MediaTek chipset and requires the SP Flash Tool to install the firmware. This process will completely erase all your personal data. Ensure you have backed up your important files before you begin.

⚠️ Prerequisites: Before You Begin

Click Here for the Essential Pre-Flashing Checklist

Backup Your Data: All your contacts, photos, and files on the phone’s internal storage will be permanently wiped.
Charge The Battery: To prevent the phone from shutting down during the update, ensure the battery is charged to at least 50%.
Windows PC & USB Cable: You will need a Windows computer and a standard micro USB cable to perform the flash.

📱 Quick Device Specifications

Device: BQ Mobile BQ-5046L Choice LTE
Chipset: MediaTek MT6739
Display: 5.0″ IPS (960×480)
Operating System: Android 10 (Go Edition)
RAM: 1GB
Storage: 16GB
Battery: 2000 mAh (Removable)

🛠 Required Tools & Downloads

File / Tool	Download Link
SP Flash Tool	Download Tool
MediaTek USB VCOM Drivers	Download Drivers

⬇️ BQ Mobile BQ-5046L Choice LTE Stock ROM / Firmware

Android Version	Filename	Release Date	Size	Download Link
10 (Go Edition)	BQ_Mobile_BQ-5046L_…_200923.zip	2020-09-23	944 MB	Download (Google Drive)

Quick Steps to Flash BQ-5046L Choice LTE Firmware

Download and install the MediaTek VCOM drivers. Extract the firmware ZIP file (BQ_Mobile_BQ-5046L_..._200923.zip) and the SP Flash Tool on your PC.
Launch flash_tool.exe. Click the “Scatter-loading” button and select the MT6739_Android_scatter.txt file from the extracted firmware folder.
Ensure the flashing mode in the dropdown menu is set to “Download Only.”
Power off your phone and remove the battery. Click the green “Download” button in SP Flash Tool, then connect the phone to your PC via USB cable (without the battery).
The flash will start automatically. Once you see the green checkmark pop-up, you can disconnect the phone, re-insert the battery, and power it on.

For a more detailed, step-by-step guide on this process, please refer to our main tutorial:
👉 Full Tutorial: How to Flash MediaTek Firmware with SP Flash Tool

❓ Frequently Asked Questions (FAQs)

Q1. My phone’s 4G LTE connection keeps dropping. How can I fix this?: This is the most common complaint for the BQ-5046L. It is typically a software issue with the modem firmware. Flashing the official stock ROM is the most reliable way to fix it, as it reinstalls a clean, stable version of all the network and radio drivers.
Q2. The camera app often shows a “Camera Failed” error and won’t open. Is my camera broken?: Probably not. This is a known software bug where the camera service fails to start. A full firmware reflash is the best solution, as it reinstalls the entire camera application and its system dependencies from scratch.
Q3. My phone is extremely slow and freezes all the time. Will this help?: Yes, it will restore the phone to its original factory performance. With only 1GB of RAM, the system can get bogged down easily. A clean flash removes all software clutter. To keep it running well, it’s best to use lightweight “Go” edition apps.

🔧 Device Troubleshooting

The phone is not detected by SP Flash Tool: The removable battery on this model simplifies this. Ensure the VCOM drivers are installed, click “Download” in SP Flash Tool, remove the battery from the phone, and then connect the phone to the PC without the battery inside. This is the most reliable connection method for this chipset.
After flashing, the phone is stuck on the BQ logo (bootloop): The first boot can be slow. If it’s still stuck after 15 minutes, you must boot into recovery mode (Power + Volume Up), and perform a “Wipe data/factory reset” to clear any old data conflicts.
I forgot my Google account and am stuck after a reset (FRP Lock): Flashing this firmware will completely wipe the phone, which includes removing the Factory Reset Protection (FRP) lock. After the flash, you will be able to set up the device with a new Google account.