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Huawei

Huawei Y3 2018 / Y5 Lite 2018 Firmware Download for CAG-L02, CAG-L03, CAG-L22 & CAG-L23

The Huawei Y3 (2018) sits in Huawei's ultra-budget Android Go class, using the MediaTek MT6737M platform with a 5.0-inch display, modest 1GB RAM hardware, and a small 2280 mAh battery, so software corruption hits these phones harder than it does on better-specced models.

On devices like this, the most common firmware-related problems are bootloops after failed updates, extreme lag after storage fills up, Google app instability, and confusion caused by similar-looking CAG model numbers. The files below are organized to reduce that confusion, and because the filenames mix both Y3 2018 and Y5 Lite 2018 branding, the safe rule is to trust the exact CAG-* model code and branch number before the retail name.

Huawei Y3 2018 / Y5 Lite 2018
Brand
Huawei
Codename
CairoGO
Model Family
CAG-L02, CAG-L03, CAG-L22, CAG-L23
Chipset
MediaTek MT6737M
GPU
Mali-T720 MP2
Display
5.0" entry-level, 1GB RAM / 8GB storage
Battery
2280mAh
Launch OS
Android 8.0 Go Edition / EMUI
Latest OS
Android 8.1 Go Edition / EMUI
Firmware Type
Huawei stock Dload and board-service firmware
Flash Method
Huawei dload / local update

Download Firmware for Huawei Y3 2018 / Y5 Lite 2018

CAG-L22_CairoGO-L22C461B152_Firmware_8.1.0_r1_05015ANC.rar
Model
CAG-L22
Region
C461
Build
B152
Android/OS
Android 8.1
Method
Huawei dload / service package
Size
1.50GB

Highest build number in the L22 set; note that C461 and C185 are different branch tracks, not sequential versions of the same branch.

⬇️ Download via Google Drive
Huawei_Y3_2018_CAG-L22_MT6737M_L22C185B144.zip
Model
CAG-L22
Region
C185
Build
B144
Android/OS
Android 8.1
Method
Huawei dload / local update
Size
821MB

Standard local-update archive for the C185 branch.

⬇️ Download via Google Drive
Huawei_Y3_2018_CAG-L22_MT6737M_L22C185B144_08212018.zip
Model
CAG-L22
Region
C185
Build
B144
Android/OS
Android 8.1
Method
Huawei dload / local update
Size
821MB

This appears to be the same core C185B144 package with a date-stamped filename. Treat it as a duplicate mirror unless extraction shows different contents.

⬇️ Download via Google Drive
CAG-L23_CairoGO-L23C469B129CUSTC469D001_Firmware_8.1.0_r1_05015CNR.rar
Model
CAG-L23
Region
C469 / CUSTC469D001
Build
B129
Android/OS
Android 8.1
Method
Huawei dload / full service package
Size
1.6GB

Fuller service-style package for the C469 branch, larger than the B126 archives below.

⬇️ Download via Google Drive
Huawei_Y5_Lite_2018_CAG-L03_MT6737M_L03C25B127_09202018.zip
Model
CAG-L03
Region
C25
Build
B127
Android/OS
Android 8.1
Method
Huawei dload / local update
Size
921MB

Consumer-style local-update package for the C25 branch, distinct from the lower-level B048 board package below.

⬇️ Download via MediaFire
Huawei_Y5_Lite_2018_CAG-L23_MT6737M_L23C469B126_09182018.zip
Model
CAG-L23
Region
C469
Build
B126
Android/OS
Android 8.1
Method
Huawei dload / local update
Size
822MB

Standard-format local-update package for the C469 branch, as opposed to the RAR service package above.

⬇️ Download via Google Drive
Huawei_Y5_Lite_2018_CAG-L23_MT6737M_L23C469B126.zip
Model
CAG-L23
Region
C469
Build
B126
Android/OS
Android 8.1
Method
Huawei dload / local update
Size
822MB

Likely a duplicate of the dated L23C469B126 archive above. Keep it as an alternate source, not as a separate firmware branch.

⬇️ Download via Google Drive
Huawei_Y3_2018_CAG-L02_MT6737M_B048_170428.zip
Model
CAG-L02
Region
Unspecified branch
Build
B048
Android/OS
Android 8.1-era baseline
Method
Huawei dload / service package
Size
1.15GB

One of the oldest entries in this set.

⬇️ Download via Google Drive
Huawei_Y3_2018_CAG-L02_CairoGO-L22-B048_MT6737M_Board_Software_General_Android_8.1_05022KSE.zip
Model
CAG-L02
Region
Board Software General
Build
B048
Android/OS
Android 8.1
Method
Huawei board / service recovery
Size
1.15GB

The "Board Software General" label suggests a service-oriented package rather than a routine consumer update. Use it carefully and only when a normal package is unavailable or when the phone needs low-level board recovery.

⬇️ Download via Google Drive
Huawei_Y3_2018_CAG-L03_CairoGO-L22_B048_MT6737M_Board_Software_General_Android_8.1_05022KSE.zip
Model
CAG-L03
Region
Board Software General
Build
B048
Android/OS
Android 8.1
Method
Huawei board / service recovery
Size
1.15GB

Low-level board-service package for CAG-L03, distinct from the consumer-style L03C25B127 file above.

⬇️ Download via Google Drive

Flashing Overview for Huawei Y3 2018 / Y5 Lite 2018

  1. Confirm the exact CAG model and branch before choosing a file
  2. Extract the ZIP or RAR fully and check for Huawei's UPDATE.APP structure
  3. Create a dload folder on local storage or microSD and place the extracted files there
  4. Start the stock update through the Huawei dload route without interrupting power
  5. Verify build number, SIM detection, and Wi-Fi behavior before restoring data
Expand preparation checklist for Huawei Y3 2018 / Y5 Lite 2018
  • Read the exact model from the phone label or recovery screen first and do not guess between CAG-L02, CAG-L03, CAG-L22, and CAG-L23.
  • Write down your current build string if the phone still boots, especially the branch code like C185, C461, C469, or C25. That will tell you whether you are restoring the same software family or jumping to a different one.
  • Extract the archive fully before choosing any method. If the package contains an UPDATE.APP file, it belongs to Huawei's dload-style local update workflow.
  • Back up any reachable data before flashing, because a clean stock restore can wipe apps, settings, and user files.
  • Charge the battery properly and avoid damaged SD cards or unstable internal storage, since low-end Android Go devices are less forgiving when an update is interrupted.
  • Prefer the normal consumer package first, and keep the "Board Software General" files for harder recovery cases where a standard archive is not enough.

Compatibility & Bootloader Notes

For normal stock recovery on this device class, the practical issue is exact model-and-branch matching through the dload workflow rather than bootloader unlocking or fastboot experimentation. If the extracted package contains an UPDATE.APP structure, it belongs to Huawei's local-update route; "Board Software General" archives are aimed at deeper service-level repair instead of routine reinstalling.

Ready to Flash This Firmware?

Full step-by-step instructions for Huawei Y3 2018 / Y5 Lite 2018, including prerequisites, error fixes, and screenshots, are on FlashGuideHub's Huawei UPDATE.APP guide.

Open Huawei UPDATE.APP Guide

Can also be flashed via Huawei eRecovery: Open Huawei eRecovery Guide →

Frequently Asked Questions