Here we provide Download Link of firmware for Huawei Honor 5X KII-L21 with build KII-L21C185B140
this Model of Huawei Published on Released 2015, November . with Android 5.1.1, up to 6.0.1; EMUI 4.
Display size on Huawei Honor 5X is 5.5" and the resolution is 1080x1920 pixels
in Here we provided all the stock firmware of Huawei KII-L21.
You can flash The Stock firmware of KII-L21 using How to Flash Huawei Stock Firmware (All Method).

Huawei GR5 KII-L21 Specification:

this model of huawei powerd by Octa-core (4x1.2 GHz Cortex-A53 & 4x1.5 GHz Cortex-A53) and the internal storage size and ram size is 16GB storage, microSD card slot.
also it can support microSD, up to 256 GB (dedicated slot).
besides it can support Dual SIM (Micro-SIM/Nano-SIM, dual stand-by) .
the Gpu chip model is Adreno 405 and also the Chipset model used on this model is Snapdragon 616
The camera on the Huawei KII-L21 comes with 13 and support 1080p video pixles.


the Second camera module is 5 MP, f/2.4, 22mm (wide) and the body of Huawei Honor 5X KII-L21 is 158g, 8.2mm thickness
The battry type for this smartphone is Non-removable Li-Ion 3000 mAh battery.

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Change Log: New software version update is available for your device. Upgradation from KII-L21C185B130 to KII-L21C185B140 . This upgrade offers: 1. Performance issue fix. 2. Other stability fix. System Software Update Note: 1. Before upgrading, please ensure there is sufficient storage space for the update package on either the microSD card or the internal storage prior to proceeding with the update. Free storage space can be checked under system settings -> storage. 2. It’s recommended to backup all of your personal data, including phone book, text messages, emails etc. in advance. And please make sure your phone battery has enough power (> 30%). 3. Data charges may apply when downloading via a mobile network. Downloading over WiFi is recommended. 4. During downloading upgrade package, the operation of the device will not be impacted. Please note, upgrade procedure need have some minutes to let device reboot and flashing. During flashing, the device is not available to be used. 5. After installation, ‘factory data reset’ operation is recommended to enable all the SW improvement. This button is in system settings -> Backup & reset -> Factory data reset.

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Notic: Please keep in mind that, you must flash Huawei GR5 (KIIL21) firmware at your own risk and also full responsible with you.

Please be informed that Huawei-firmware.com only share the official firmware WITHOUT ANY modifications. All Huawei Roms here are for home or personal use only.