Stock firmware for Huawei Y336-U02 to be flashed via CM2, so as to restore your phone to its default factory state. It will remove root, virus, un-brick, and fix your device if it’s stuck on boot logo. If the phone lags, after flashing it should be better.

Additionally, you should consider making a backup of your current firmware, and all other important data on your phone. Flashing will completely erase your phone. Also, you should only flash your device if you actually know what you’re doing. To avoid messing up your device, or turning it into a brick.

It’s also important that your device is charged up to at least 30% so the process is not interrupted due to shutdown.

If there’s a broken link, do not hesitate to report via the comments section or use the contact form.

Firmware download link

Build Firmware Size
Y336-U02_HWY336-U_4.4.2_Y336-U02V100R001C328B118 Download (Password: click) 557 MB
Y336-U02V100R001C328B118 Download (Password: click) 557 MB

Flashing instructions

You need CM2 to flash this firmware. If you try on other tool without success, well, you know…

Get a working USB cable, then follow the instructions below-

  • Unpack downloaded firmware to an empty folder
  • Make sure you’ve installed the required drivers on your PC.
  • Launch flashtool and load the firmware. You might need to wait a few seconds for it to process completely
  • Now power off your device and proceed with flashing steps

If you need any help on this device or flashing instructions, or you’ve got other contribution- do not hesitate to post in the comments section below. We do our best to reply and answer your questions.