[Official] Huawei Y3 2017 CRO-L02 Stock Rom / Firmware

Stock Rom

Official Huawei Y3 2017 CRO-L02 Stock Rom / Firmware


Used for:

  • Update Huawei Y3 2017 CRO-L02
  • Downgrade Huawei Y3 2017 CRO-L02
  • Rollback firmware Huawei Y3 2017 CRO-L02
  • Unroot Huawei Y3 2017 CRO-L02
  • Unbrick Huawei Y3 2017 CRO-L02
  • Restore Huawei Y3 2017 CRO-L02
  • Fix Unknown IMEI Huawei Y3 2017 CRO-L02
  • Repair firmware solutions for Huawei Y3 2017 CRO-L02 if boot loop, Hard brick, Lost recovery, or can’t boot to home screen, etc using Huawei Y3 2017 CRO-L02 Software upgrade


  • CRO = Cairo
  • HWCRO-L6737M / MT6737M / Mediatek 6737M , So you can flashing using SP-Flashtool if you have Full firmware .img with Scatter file —>Read Here
  • How to Flash Huawei Y3 2017 CRO-L02 Firmware ( Dload Update.app ) —>Read Here
  • How to root Huawei Y3 2017 CRO-L02 —> Read Here
  • How to Flash TWRP Huawei Y3 2017 CRO-L02 —> Read Here
  • How to Bypass / Unlock FRP Huawei Y3 2017 CRO-L02 —> Read Here
  • Unlocking bootloader Huawei Y3 2017 CRO-L02 —> Read Here
  • Install Gapps for Huawei Y3 2017 CRO-L02 —> Download here
  • OTA = over-the-air , Delivery of software from the manufacturer or developer to update or resolve problems from the previous firmware, can be flashed on Fota updater app or custom recovery like CWM, TWRP or Carliv
  • Full OTA = OTA binary image files that allow you to manually update your device. This has the same effect of flashing the corresponding factory images, but without the need of wiping the device. Usually this firmware is used for unbricking or repair firmware by some users.
  • MF = Multi File or many file
  • PV = Point Version , Can be flashed through TWRP
  • Huawei CUST Region Provider
    C00 China
    C02 Europe Vodafone
    C10 Russia
    C170 Russia
    C21 Telefonica / O2
    C40 Czech Republic Telefonica / O2
    C55 Italia TIM
    C86 Spain Yoigo
    C112 Latin America
    C121 Türkei
    C123 Switzerland
    C150 Telekom
    C151 India
    C183 New Zealand
    C185 Middle East & Africa
    C209 Asia (Pacific)
    C271 Malaysia
    C249 Serbia Telekom
    C324 Taiwan
    C358 Tunisia
    C432 Europe
    C470 Asia (Pacific)
    C605 Colombia
    C636 Asia (Pacific)
    C637 Spain
    C675 India
    C900 General Free intern. Version
  • Huawei Country Region
    AFRICA : Algeria, Angola, Botswana, Congo, Egypt, , Ghana, Jordan, Kenya, Mauritius, Morocco, Namibia, Nigeria, South Africa, Tanzania, Tunisia, Uganda, Zambia.
    ASIA PASIFIC: Australia, Azerbaijan, Bangladesh, Cambodia, China, Hong Kong, China, , Indonesia, Japan, Kazakhstan, Laos, Malaysia, Myanmar, Nepal, New Zealand, Philippines, Singapore, South Korea, Sri Lanka, Taiwan, China, Thailand, Turkey, Uzbekistan, Vietnam.
    EUROPE: Austria, Belarus, Belgium, Bulgaria, Czech, Croatia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Italy, Latvia, Lithuania, Macedonia, Netherland, Norway, Poland, Portugal, Romania, Russia, Serbia, Slovakia, Spain, Sweden, Switzerland, Switzerland, Switzerland, Ukraine, United Kingdom.
    LATIN AMERICA: Argentina, Bolivia, Brazil, Chile, Colombia, Costa Rica, Dominican Republic, Ecuador, Guatemala, Jamaica, Mexico, Panama, Paraguay, Peru, Uruguay, Venezuela.
    MIDDLE EAST: Kuwait, Pakistan, Saudi Arabia, UAE (United Arab Emirates)
    NORTH AMERICA: Canada, United States – USA.

This guide for educational purpose only, Boycracked.com not responsible if your device bricked after updates firmware or following our tutorial. ( Do With Your Own Risk )

Device name Model number Update Type Firmware version Download Description
Huawei Y3 2017 CRO-L02 2017.01.04 OTA update CRO-L02C636B015 Download update.zip Read changelog
Huawei Y3 2017 CRO-L02 2016.12.28 OTA update CRO-L02C636B015 Download update.zip Read changelog
Huawei Y3 2017 CRO-L02 2017.01.17 OTA update CRO-L02C636B018 Download update.zip Read changelog
Huawei Y3 2017 CRO-L02 2017.02.13 OTA update CRO-L02C636B021 Download update.zip Read changelog

Rollback to stock Huawei Y3 2017 CRO-L02 firmware

  1. Download the official full firmware
  2. Download the huaweiupdateextract tool HERE
  3. Download the huawei multi tool by team mt HERE
  4. Install both tools
  5. Extract the downloaded firmware until you see the UPDATE.APP file
  6. Open the huawei extract tool and load UPDATE.APP
  7. Extract the following Files from the UPDATE.APP files: BOOT.img, CUST.img, RECOVERY.img,SYSTEM.img, USERDATA.img
  8. Copy or simply move those images into the HUAWEI Multi-Tool by Team MT/Unbrick directory
  9. Start phone into fastboot mode
  10. Start the Huawei Multi-Tool and enter “6” for Unbrick menu and Press Enter
  11. Type “N” for continue and press Enter
  12. Type “2” to Continue. The files are in /Unbrick and press Enter
  13. Just follow the instructions and your phone will be flashed with a stock firmware!
  14. After complete flashing stock firmware you can download the official update under Settings -> Updater!

Current EMUI version list:

  • EMUI 1.0 based on Android 4.0 Ice Cream Sandwich and 4.1.1 , 4.1.2 4.2.1 , 4.2.2 , 4.3 Jellybean (initial release)
  • EMUI 2.0 based on Android 4.0 Ice Cream Sandwich, Androiod 4.1.1 , 4.1.2 4.2.1 , 4.2.2 , 4.3 Jellybean, Android 4.4.2 , 4.4.4 Kitkat (minor UI tweak)
  • EMUI 3.0 based on Android 4.4.2 , 4.4.4 Kitkat and Android 5.0.1 , 5.0.2 Lollipop (minor UI tweak)
  • EMUI 3.1based on Android 5.1.1 Lollipop
  • EMUI 4.0 based on Android 6.0.1 Marshmallow
  • EMUI 4.1 based on Android 6.1.1 Marshmallow
  • EMUI 5.0 based on Android 7.0 Nougat
  • EMUI 5.1 based on Android 7.1 Nougat

Hope this will help you.
Cheers 🙂

Please leave comment if you found broken link or have question.