Brand smartphones BQ have earned popularity due to their affordable price and functionality, but over time the operating system requires modernization. The update firmware allows you not only to get new interface functions, but also to close security vulnerabilities, as well as optimize processor performance. Many users put off this procedure for fear of losing data or turning the device into a “brick,” but if you follow the algorithm of actions, the risk is minimal.
The process of installing a new version Android may vary depending on the specific model of your gadget and the current version of the shell. In some cases, the system will offer the update automatically; in others, manual intervention through the recovery menu or computer software will be required. Understanding the differences between the methods will help you choose the most appropriate option for your situation.
Before taking action, it is critical to assess the current state of the battery and the available memory space. Ignoring basic battery requirements is the most common reason for unsuccessful attempts to install new software. Next, we will analyze in detail all the available methods and nuances specific to devices of this brand.
Preparing the device for the update procedure
The successful installation of new software directly depends on the quality of the preliminary preparation. The first step should be to create a complete backup of all important data, including contacts, photos and messages. Use cloud services Google Drive or built-in synchronization tools so that in case of an unexpected failure you can quickly restore information.
Make sure that the battery level is at least 60-70 percent. The process of writing system files is power-intensive, and a sudden power cut in the middle of the procedure can damage the bootloader. Also check the availability of free space in the internal storage: downloading and unpacking the installation package often requires from 2 to 5 GB of free memory.
⚠️ Attention: If your smartphone has an unlocked bootloader or changes have been made to the system partition (root access), the standard update may not install or lead to loss of warranty.
Before starting the download, make sure that A stable Wi-Fi connection is used. mobile data can be unstable, and the volume of downloaded files often exceeds the limits of tariff plans. Disable all unnecessary applications and clear RAM to speed up the system while checking for updates.
☑️ Ready for update
Automatic update through settings (OTA)
The easiest and safest way to upgrade the system is to use the OTA function (Over-The-Air). This method involves downloading the update package directly from the manufacturer's servers without the need to connect to a computer. The manufacturer tests such assemblies in advance, minimizing the risks of compatibility with specific hardware.
To start the process, go to the main settings menu of your device. Look for a section that may be called “About Phone,” “System,” or “Software Update.” Depending on the version Android and shell, the path may differ slightly, but the logic remains the same: the system itself will check for the presence of a new version on the server.
If an update is available, a notification will appear on the screen describing the innovations and the file size. Click the "Download" button and wait for the process to complete. After downloading, the system will prompt you to reboot for installation, which may take from 5 to 15 minutes depending on the speed of the flash memory.
If the refresh button is grayed out, try clearing the cache of the Google Play Services application in the application settings, sometimes this helps to refresh the connection to the server.
In rare cases, automatic search may not work due to caching errors. Then it makes sense to check for updates manually by clicking the corresponding icon in the menu. If the server reports that the latest version is installed, but you know about the release of new software, perhaps the update is being distributed in stages for different regions.
The OTA method is a priority for ordinary users, as it eliminates the human factor and technical errors when transferring files.
Manual installation of firmware via Recovery Mode
When automatic updating is unavailable or is interrupted with an error, the recovery mode comes to the rescue (Recovery Mode). This method requires first downloading the firmware file in the .zip format from the manufacturer's official website or a trusted resource. The file must be placed in the root directory of the internal memory or on a microSD card.
To enter recovery mode, you must completely turn off the smartphone. Then hold down the key combination, which most often consists of the power button and the volume up key. Hold them until the logo BQ or the Android menu with a lying robot appears.
Navigation in the recovery menu is carried out with the volume buttons (up and down), and the choice is confirmed with the power button. You need to find the item Apply update from SD card or Apply update from internal storage. Select the previously downloaded archive with the firmware and confirm the installation.
| Action | Control buttons | Result |
|---|---|---|
| Enter menu | Volume + and Power | Launch Recovery |
| Move through items | Volume Up/Down | Select the desired line |
| Confirm selection | Power button | Run command |
| Exit mode | Reboot system now | Reboot into system |
After installation is complete, the system will prompt you to reboot the device. The first launch after the update may take longer than usual as applications and system libraries are optimized. Do not interrupt this process, even if the screen remains black for a long time.
What to do if Recovery does not see the file?
Make sure that the firmware file has a .zip extension and is not renamed. Also check that the file is located in the root of the memory and not in the Download folder.
Updating via a computer and utilities
For advanced users or in cases of serious software failures, there is a method of updating the firmware via a personal computer. This method requires an original USB cable and an installed driver for the device BQ. Software is often used SP Flash Toolif the smartphone runs on a MediaTek processor, which is typical for many models of the brand.
The process begins by loading a scatter file that describes the device’s memory structure and a system image into a app on a PC. After connecting the switched off phone (sometimes you need to hold down the volume button when connecting the cable), the utility will recognize the device and begin writing data to memory.
⚠️ Attention: Using third-party utilities for flashing firmware via a PC carries high risks. An error in selecting a scatter file can permanently damage your device.
Keep an eye on the progress bar on your computer screen. The process should not be interrupted, the cable should be securely fixed in the USB 2.0 port, since 3.0 ports sometimes cause problems with detecting older devices. After the green ring appears in the app, you can turn off the phone and turn it on in the usual way.
This method is often used to “revive” phones after unsuccessful attempts to update over the air. It allows you to completely overwrite the system partition, ignoring errors accumulated during operation. However, all user data with this method will be permanently deleted.
Possible errors and ways to solve them
During the process of software upgrade, users may encounter various system errors. One common problem is the "Not enough space" message even though the file system shows that there is free space. This is due to the fact that temporary unpacking of the archive requires a margin greater than the size of the update file itself.
Another common situation is getting stuck on the manufacturer's logo after a reboot. This could indicate a version conflict or system cache corruption. In this case, you need to enter the mode again Recovery and execute the command Wipe cache partition. This operation deletes temporary system files without affecting the user's personal data.
If the device goes into a cyclic reboot (bootloop), most likely the integrity of the system files is compromised. The only solution in this case is a full reset to factory settings (Wipe data/factory reset) via the recovery menu or flashing via a computer with a complete memory clear.
- 🔋 Installation error due to low battery - connect the original charger and try again.
- 📶 Wi-Fi download failed - try changing the network or using an access point from another phone.
- 📂 The file is corrupted - download the firmware again, checking the file checksum, if provided by the developer.
It is important to understand that some errors may be due to hardware failure flash memory. If the phone regularly produces write errors when trying to update, the storage resource may be exhausted and the component needs to be replaced at a service center.
System rollback and return to the factory version
Sometimes a new version of the operating system is unstable on a particular device: the battery runs out quickly, the interface slows down, or some applications do not work. In such situations, users often look for a way to roll back to the previous version Android. Officially, such a function is rarely provided in the settings menu.
To return to the old version, you need to find an archive with the previous stable firmware that matches your model. The installation is carried out in the same way as the update - through the mode Recovery or computer. It is critical that the downgrade version is compatible with the current version of the bootloader.
⚠️ Warning: System rollback (downgrade) often requires first unlocking the bootloader, which automatically voids the device warranty and erases all data.
Before performing a rollback, make sure that the drivers and tools on your computer are compatible requirements of the old software version. A mismatch between bootloader and system versions can result in the phone becoming unresponsive to button presses and requiring complex recovery through test points on the board.
System rollback is a last resort, which should only be resorted to if a new version makes the phone unsuitable for everyday use.
Frequently asked questions (FAQ)
Will the update delete my contacts and photos?
When updating through settings (OTA) or standard Recovery mode, user data is usually saved. However, when flashing the firmware via a computer or performing a full reset (Wipe Data), all information will be deleted. Always make a backup copy before starting any work.
Is it possible to update a phone if it is no longer supported by the manufacturer?
Official servers stop distributing updates for outdated models. In this case, you can only update manually by finding custom firmware or the latest official version on third-party forums, but this requires high skills.
How long does it take to install the update?
The time depends on the size of the update and the speed of the phone's memory. Typically the installation process itself takes from 5 to 20 minutes. The first launch after the update may take up to 10 minutes due to application optimization.
What to do if the phone turns off during the update?
Try to charge the device and turn it on. If the phone does not boot, you need to enter Recovery mode and try clearing the cache. In the worst case, you will need to flash the firmware via a computer.