This page contains the official link to download the stock ROM (Firmware) flash file for the mobile devices.
Back when Android was still a reasonably new operating system, the software updates released would be very random, and they left users with little understanding of what to expect next. These days things are much different, and they’ve adopted the approach of releasing one major update for a device per year, and a much smaller security-oriented update on a monthly basis on top of that as well.
But that’s assuming that you’re actually using a device that is made by Google, like a Google Nexus or one of the newer Google Pixel smartphones. If you’re running a device from a different manufacturer, then only time will tell what software updates you’ll get. And if the manufacturer is more aimed at the budget-friendly handsets, it’s anyone’s guess whether you’ll find updates coming in your direction at all.
There are a couple of obvious reasons for why Google-owned devices are favored and why budget handsets get updated much less. For starters, Google owns Android so they have the incentive to look after their own devices the most. This is all about making money after all. There’s also the conundrum of hardware: the high-end devices have far greater hardware jam-packed between the outer layer of plastics than the lower-end of the market counterparts, and the same software that’s on premium smartphones can’t always run on the the more budget-friendly devices.
The result of all of this is still a fairly messy Android environment when assessing the full range of smartphones and tablets that run Android, and there’s not much that can be improved from here on out based on the reasons mentioned above. So if you do have a budget handset and you are experiencing bugs and have no idea when the next update is due, you would be best to flash the right stock ROM that’s made for your device manually instead, using the flashing tool that’s made for it on a computer. Of course, there are many other reasons for wanting to install stock Android firmware flash files on your devices, too—you need to remove root access, replace the custom recovery image, just want to upgrade/downgrade from the version of Android that you’re running now, so forth—but fixing bugs remains one of the focal points for many users.
Download QMobile X150 Stock ROM (Firmware) Flash File
How to Flash Stock ROM Using Smartphone Flash Tool
1. Make sure you have the Android CDC driver installed on the computer that you plan on using the flashing tool on, so your device and the flashing tool can connect. (If you have already installed the Android driver on the computer, then you can skip to the next step. There’s no need to install it twice unless it has been deleted from the computer.)
2. Turn off the Android-based smartphone by holding in the Power button until it powers down, or by switching it off from the Power menu.
3. Download the stock ROM (firmware flash file) from the link above so the file ends up on your computer.
4. Open the stock ROM file location (usually the Downloads folder) and then extract it (right-click and choose “Extract” from the menu).
5. Now download and extract the Smartphone Flash Tool much the same way as you did with the Stock ROM file. (You can use the desktop as the save location to make things easier if you wish.)
6. Once the SP Flash Tool folder is extracted, double-click to open it and then double-click on the SP Flash Tool application.
7. The flashing tool interface will now open on the computer. From the SP Flash Tool interface, select the “Download” tab.
8. Next, click on the “Scatter-loading file” button.
9. Now browse through the hard drive to the location where you extracted the stock ROM and select the “scatter file” to upload to the flashing tool.
10. Lastly, click on the “Download” button for the flashing to begin.
You can also view our more detailed guide on how to flash a stock ROM with the SP Flash Tool that comes with screenshots if you prefer.
[*] Back Up Your Data: You should always back up your data before you begin flashing new firmware files to your smartphone or tablet. All of your pictures, music, videos, documents, etc. should be still on your device after you have updated the firmware, but you may need to restore the contacts and applications from a backup.
[*] Wipe Cache and Factory Reset: Some people claim that taking a factory reset isn’t necessary after updates, but at the very least you should wipe the system cache after installing new firmware. This way you can help eliminate any performance issues and battery draining bugs. Taking a factory reset is the best way of avoiding common problems many users face after applying software updates.
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