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Duy An Đào
Duy An Đào



The LG G Stylo is a smartphone that was released by LG in May 2015. It has a 5.7-inch IPS LCD display, a quad-core Snapdragon 410 processor, 1 GB of RAM, 8 GB of internal storage, a microSD card slot, a 13 MP rear camera, a 5 MP front camera, a stylus pen, and a removable 3000 mAh battery. The device runs on Android 5.0 Lollipop out of the box, but it can be upgraded to Android 6.0 Marshmallow. However, some users may prefer to stay on Android 5.1.1 Lollipop, which is the latest version of the operating system for the LG G Stylo.

One of the reasons why some users may want to keep Android 5.1.1 Lollipop on their LG G Stylo is that it offers better performance and stability than Android 6.0 Marshmallow. Some users have reported issues with battery drain, lag, overheating, and random reboots after updating to Android 6.0 Marshmallow. Another reason why some users may prefer Android 5.1.1 Lollipop is that it allows them to root their device and install custom ROMs and mods that are not compatible with Android 6.0 Marshmallow. Rooting is the process of gaining full access to the system files and settings of the device, which can enable users to customize and optimize their device according to their preferences. Custom ROMs are modified versions of the official firmware that can offer additional features, enhancements, and optimizations that are not available in the stock firmware. Mods are modifications that can alter or improve certain aspects of the device, such as the camera, the sound, the display, or the performance.


If you own a Cricket LG G Stylo H634 and you want to update or downgrade your device to Android 5.1.1 Lollipop firmware, you will need to download and install the official firmware file from LG's website. The firmware file is a .kdz file that contains all the necessary data and instructions to flash the firmware on your device. You will also need to download and install LG Flash Tool and LG USB Drivers on your computer. LG Flash Tool is a software that allows you to flash .kdz files on your LG device. LG USB Drivers are drivers that enable your computer to recognize and communicate with your LG device.

Before you proceed with the firmware installation, you should backup all your important data on your device, such as contacts, messages, photos, videos, music, etc., as the process will erase everything on your device. You should also charge your device to at least 50% battery level to avoid any interruptions during the process. You should also enable USB Debugging mode on your device by going to Settings > About Phone > Software Information > Tap Build Number seven times > Go back to Settings > Developer Options > Enable USB Debugging. You should also disable any antivirus or firewall software on your computer as they may interfere with the process.

Once you have prepared everything, you can follow these steps to install Android 5.1.1 Lollipop firmware on your Cricket LG G Stylo H634:

  • Download the firmware file for your device from [LG's website]. The file name should be something like H63410g_00_0317.kdz.

  • Download and install LG Flash Tool and LG USB Drivers on your computer from [here].

  • Launch LG Flash Tool and select CDMA as Device Type and DIAG as Phone Mode.

  • Click on the folder icon next to Select KDZ file and browse for the firmware file that you downloaded in step 1.

  • Click on Normal Flash and then Start.

  • A new window will pop up asking you to select your country and language. Select United States and English (or whatever suits you) and click OK.

  • Connect your device to your computer using a USB cable and wait for LG Flash Tool to detect it.

  • Follow the on-screen instructions to flash the firmware on your device.

  • Do not disconnect your device or turn off your computer until the process is completed.

  • Once the process is finished, your device will reboot automatically.

  • Disconnect your device from your computer and enjoy Android 5.1.1 Lollipop on your Cricket LG G Stylo H634.

Congratulations, you have successfully installed Android 5.1.1 Lollipop firmware on your Cricket LG G Stylo H634. You can now check the software version on your device by going to Settings > About Phone > Software Information. You should see Android Version 5.1.1 and Software Version H63410g. You can also root your device and install custom ROMs and mods if you want to further customize and optimize your device. However, be careful and do some research before doing so, as rooting and flashing custom ROMs and mods can void your warranty, brick your device, or cause other problems if done incorrectly.

I hope this article was helpful and informative for you. If you have any questions or feedback, feel free to leave a comment below. Thank you for reading!


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