Old Version 4.4.2 kitkat CHM-U01 V100R001C185 B130 Update 5.1.1 B310 Lollipop Android 4.4.2 B130 to Update 5.1.1 B310 HONOR 4C Firmware (CHM-U01, ANDROID 5.1.1, EMUI 3.1, C185B310 Click here to download file Download Before updating your software, you’ll need to: Note: the force upgrade method can be used if your phone is not accessible, can’t boot up or cannot be switced on.Make sure you have backed up all your important data. All files, messages,images, videos, contacts etc. How to install firmware? 1-Download the .zip file. 2-Unpack it on your Desktop.Copy the dload folder to your SD card’s 3-Turn off your Huawei Phone: 4-Make sure your battery has enough power.Charge it if necessary.) 5-Insert the memory card. 6-Press both(VOL UP and DOWN)and then the power key until the software upgrade progress bar displays. 6-Then you can release all keys. 7-Wait until the progress bar finishes and the phone restart.