Here we provide Download Link of firmware for Huawei Mate S CRR-UL20 with build CRR-UL20C432B171
this Model of Huawei Published on Released 2015, October . with Android 5.1.1, up to 6.0; EMUI 3.1.
Display size on Huawei Mate S is 5.5" and the resolution is 1080x1920 pixels
in Here we provided all the stock firmware of Huawei CRR-UL20.
You can flash The Stock firmware of CRR-UL20 using How to Flash Huawei Stock Firmware (All Method).

Huawei Mate S CRR-UL20 Specification:

this model of huawei powerd by Octa-core (4x2.2 GHz & 4x1.5 GHz) and the internal storage size and ram size is 32/64/128GB storage, microSD card slot.
also it can support microSD, up to 256 GB (uses SIM 2 slot).
besides it can support Single SIM (Nano-SIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by) .
the Gpu chip model is Mali-T628 MP4 and also the Chipset model used on this model is HiSilicon Kirin 935
The camera on the Huawei CRR-UL20 comes with 13 and support 1080p video pixles.


the Second camera module is 8 MP, f/2.4, 26mm (wide) and the body of Huawei Mate S CRR-UL20 is 156g, 7.2mm thickness
The battry type for this smartphone is Non-removable 2700 mAh battery.

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Change Log: This update improves system performance and stability. Please update your device for improved experience. [Repairs] Fixed an issue where you were unable to create more than one contact shortcut. Fixed an issue where no sound can be heard from the peer party during a call. Fixed an issue where the Calendar app is incorrectly displaying the number of weeks. Fixed an issue where messages in the Fun Scale app overlap. Fixed an issue where the duplicate messages are shown on the unlock screen when all notification switches for the Textra app are turned on. [Optimization] Improved device security with the latest Google security patches. Improved system performance and stability for smoother operations. [Update notes] If you experience any issues during the update, please go to http://consumer.huawei.com/ or an authorized service center for assistance.

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Notic: Please keep in mind that, you must flash Huawei Mate S (CRRUL20) 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.