Firmware Details:Device: Honor 3C
Model: H30-U10
Android: v4.4.2 KitKat
EMUI: 3.0
Build: V100R001C900B320
Status: Official
Honor 3C H30-U10 V100R001C900B320Step 1. Download the zipped firmware from above and extract the Update.app file
Step 2. Connect your Honor 3C to the computer via a USB connection in mass storage mode. Make sure the SD Card is formatted in FAT32 file system.
Step 3. Copy “Update.app” to the “dload” folder of the external SD card. Also make a backup of your current data including contacts, messages, apps and settings.
Step 4. Disconnect the USB cable and turn off your phone.
Step 5. Reboot into SD upgrade mode by holding Vol Up + Vol Down + Power buttons simultaneously for a few seconds.
Step 6. It’ll take a few seconds for the update to finish. After that your phone will reboot into the new OS.
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