Huawei Y3 (2017) was released in more than one hardware branch, with CRO-L02, CRO-L03, CRO-L22, and CRO-L23 tied to the MT6737M Cairo line, while CRO-U00 is a separate MT6580 or MT6580M branch.
The stock line for these variants is Android 6.0 with EMUI 4.1 Mini, and that matters because cross-flashing between the MT6737M and MT6580 branches is the main safety risk in this family.
This collection is intended for software recovery cases such as bootloops, failed modification attempts, or restore work after corrupted system software, but the exact flashing path is not identical across every archive listed below.
The modest 1 GB RAM and 8 GB storage configuration across these branches also means maintenance and clean restore work can be more relevant on this model family than on newer devices.
Huawei Y3 (2017) Firmware Details
| Device Name | Huawei Y3 (2017) firmware collection |
| Model Identifier | CRO-L02, CRO-L03, CRO-L22, CRO-L23, CRO-U00 |
| Codename | Cairo family for the MT6737M branch; CRO-U00 is a separate MT6580 branch listing. |
| Chipset / Platform | MediaTek MT6737M for CRO-L02/CRO-L03/CRO-L22/CRO-L23, and MediaTek MT6580 or MT6580M for CRO-U00. |
| Launch Android Version(s) | Android 6.0 with EMUI 4.1 Mini. |
| Current Firmware Line | Android 6.0 / EMUI 4.1 family across the supplied packages. |
| Firmware Type | Mixed preserved stock packages; only the exact 425 MB CRO-L03 file is externally matched to an SPMDT package, while the remaining archives are listed here without assigning an unverified flash type. |
| Flashing Tool | Varies by package; only Huawei_Y3_2017_CRO-L03_MT6737M_S001001_C00SMT_China_Nonspecific_6.0_EMUI4.1_05022HPW_6.0_SPMDT.zip is externally tied to SPMDT Tool with exact-filename confirmation. |
| Region / Branch notes | The supplied set includes C521, C106, C185, C007, and C469 regional branches, plus CRO-U00 archives and board-software packages. |
| Typical File Size Range | 413 MB to 4.19 GB across this package set. |
| Verification note | Hardware differentiation is verified for the Huawei Y3 (2017) family, but a single common flash method is not verified for every file in this combined article. |
⚠️ Flashing Risks & Disclaimer
The main risk here is using an MT6737M Cairo-L package on a CRO-U00 phone or treating a smaller board-software archive as if it were the same kind of package as a larger regional firmware build.
This firmware remains the property of its respective owner and is referenced only for restore or service use on legally owned Huawei Y3 (2017) devices.
Download Official Firmware for Huawei Y3 (2017)
This package is an original stock ROM mirrored for preservation, as the manufacturer no longer provides public downloads for this model.
| Region / Variant | Filename | Build / Version | Android / Firmware Version | File Type | Build Date | File Size | Download Link |
|---|---|---|---|---|---|---|---|
| CRO-L03 / C521 branch / MT6737M family | Cairo-L03C521B125_Firmware_6.0.0_r1_EMUI4.1_05014MKU.zip | C521B125 / 05014MKU | Android 6.0.0 r1 / EMUI 4.1 | Stock archive (.zip); exact flash type not fully verified | Not stated in filename | 4.19 GB | Download C521B125 (Google Drive mirror) |
| CRO-L02 / C106 branch / MT6737M family | 华为Y3(2017) CRO-L02 Cairo-L02C106B121_Firmware_6.0.0_r1_EMUI4.1_05014MDY.rar | C106B121 / 05014MDY | Android 6.0.0 r1 / EMUI 4.1 | Stock archive (.rar); exact flash type not fully verified | Not stated in filename | 2.61 GB | Download C106B121 (Google Drive mirror) |
| CRO-L22 / C185 branch / MT6737M family | 华为Y3(2017) CRO-L22 Cairo-L22_C185B125_Firmware_Egypt_Oman_Algeria_Morocco_Iraq_Kuwait_Jordan_Tunisia_Pakistan_Qatar_Zimbabwe_Bahrain_Zambia_South Africa_Reunion_Mauritius_Madagascar_Botswana_Lebanon_Ethiopia_Iran.zip | C185B125 | Android 6.0 / EMUI 4.1 | Regional stock archive (.zip); exact flash type not fully verified | Not stated in filename | 2.11 GB | Download C185B125 (Google Drive mirror) |
| CRO-L03 / C00SMT / China Nonspecific / MT6737M family | Huawei_Y3_2017_CRO-L03_MT6737M_S001001_C00SMT_China_Nonspecific_6.0_EMUI4.1_05022HPW_6.0_SPMDT.zip | S001001 / C00SMT / 05022HPW | Android 6.0 / EMUI 4.1 | SPMDT package (.zip); exact filename externally matched to SPMDT Tool. | Not stated in filename | 425 MB | Download 05022HPW (Google Drive mirror) |
| CRO-L03 / C007 Mexico Default / MT6737M family | 华为Y3(2017) CRO-L03 Cairo-L03_C007B102_Firmware_Mexico_Default_Android 6.0_EMUI 4.1_05014QRV.zip | C007B102 / 05014QRV | Android 6.0 / EMUI 4.1 | Regional stock archive (.zip); exact flash type not fully verified | Not stated in filename | 2.04 GB | Download C007B102 (Google Drive mirror) |
| CRO-U00 / MT6580 branch | Huawei_Y3_2017_CRO-U00_MT6580_180122_6.0.zip | MT6580 / 180122 | Android 6.0 | Stock archive (.zip); exact flash type not fully verified | 2018-01-22 (filename) | 1008 MB | Download 180122 build (Google Drive mirror) |
| CRO-L23 / C469 branch / MT6737M family | 华为Y3(2017) CRO-L23 Cairo-L23_C469B104_Firmware_Colombia_Bolivia_Panama_Chile_Nonspecific_Nonspecific_Nonspecific_Nonspecific_05014MRP.zip | C469B104 / 05014MRP | Android 6.0 / EMUI 4.1 | Regional stock archive (.zip); exact flash type not fully verified | Not stated in filename | 2.04 GB | Download C469B104 (Google Drive mirror) |
| CRO-U00 / MT6580 branch | Huawei-Y3_2017_CRO-U00_MT6580_180122_6.0.zip | MT6580 / 180122 | Android 6.0 | Stock archive (.zip); exact flash type not fully verified | 2018-01-22 (filename) | 1013 MB | Download 180122 build (MediaFire mirror) |
| CRO-U00 / Board Software / MT6580 branch | Huawei_Y3_2017_CRO-U00_CAIROU00S001002_MT6580_Board_Software_Android_6.0_EMUI_4.1_05022HQA.zip | CAIROU00S001002 / 05022HQA | Android 6.0 / EMUI 4.1 | Board Software archive (.zip); exact tool path not fully verified | Not stated in filename | 424 MB | Download 05022HQA (Google Drive mirror) |
| CRO-U00 / C185 Board Software / MT6580 branch | Huawei_Y3_2017_CRO-U00_Cairo-U00_C185_CAIROU00S001002_MT6580_Board_Software_Android_6.0_EMUI_4.1_05022HQA.zip | C185 / CAIROU00S001002 / 05022HQA | Android 6.0 / EMUI 4.1 | Board Software archive (.zip); exact tool path not fully verified | Not stated in filename | 413 MB | Download C185 05022HQA (Google Drive mirror) |
The download links above use Google Drive and MediaFire, which are file-hosting services rather than manufacturer firmware portals, so they are labeled as preserved mirrors instead of official servers.
Flashing Requirements
- Match the phone to the correct hardware branch first: CRO-L02, CRO-L03, CRO-L22, and CRO-L23 belong to the MT6737M Cairo line, while CRO-U00 belongs to the MT6580 branch.
- Extract the archive and identify the package contents before selecting any flashing method, because this combined collection does not have one verified common tool path for every file.
- Only the 425 MB CRO-L03 package is externally matched to SPMDT Tool by exact filename, so the other rows should not be assigned SPMDT, dload, or another method without checking their extracted contents first.
- Back up important data before any flash attempt, because service-side restore work and board-software packages should be treated as potentially wipe-prone.
- Confirm the exact model, branch code, and regional tag before flashing, especially where the filename includes C521, C106, C185, C007, or C469 branch identifiers.
How to Flash the Firmware
- Choose the exact Huawei Y3 (2017) package that matches the device label and hardware branch, with special attention to MT6737M Cairo-L variants versus CRO-U00 MT6580.
- Extract the downloaded archive and inspect its contents before doing anything else, because only the CRO-L03 425 MB file has exact-filename confirmation for SPMDT and the rest of the packages should not be forced into one assumed tool family.
- Prepare the drivers and the flashing method that matches the extracted package type, and treat smaller board-software packages as service archives rather than as interchangeable full regional firmware.
- Enter the correct mode only after that package check is complete, then flash with the matching tool for that archive instead of using the same workflow for every Huawei Y3 (2017) file in this list.
- After flashing, allow the first boot extra time, then investigate only if the phone remains stuck in a bootloop or cannot reach initial setup after a reasonable wait.
Complete step by step on how to flash these files.
Frequently Asked Questions (FAQs)
Can CRO-U00 firmware be used on CRO-L02, CRO-L03, CRO-L22, or CRO-L23?
No. CRO-U00 is listed under the MT6580 branch, while CRO-L02, CRO-L03, CRO-L22, and CRO-L23 are tied to the MT6737M Cairo branch.
Is SPMDT confirmed for every file in this article?
No. Exact-filename SPMDT confirmation was found only for the 425 MB CRO-L03 package ending in 05022HPW.
Why are some files around 413 MB to 425 MB while others are over 2 GB?
The filenames indicate that some archives are board-software or service-style packages, while others are larger regional stock archives, so they should not be treated as identical package classes.
Can the board-software packages be flashed the same way as the larger regional files?
No safe universal assumption should be made here, because the exact tool path for the CRO-U00 board-software archives was not verified strongly enough for publication as one fixed method.
Are these official Huawei download servers?
No. The links are preserved mirrors hosted on Google Drive and MediaFire, which are file-hosting services rather than OEM firmware portals.
Does flashing always keep user data?
No. Data retention should never be assumed in advance when working with stock restore or board-software archives.
Which files clearly belong to the MT6737M branch?
The CRO-L02, CRO-L03, CRO-L22, and CRO-L23 variants are the MT6737M side of the Huawei Y3 (2017) family.
Which files belong to the MT6580 branch?
The CRO-U00 packages belong to the separate MT6580 or MT6580M branch.
