Device Firmware Update SOP
1.Check Image Version: Please follow the path below to check the image version before and after image update: Enter [Settings][About phone]Find the [Build number] to check the image version.
2.Requirement
>A windows PC
>A USB cable
>The battery life of device has to be more than 15%
3.Updating Image Through Detecting Notification
Step 1: Download the zipped image file to your Windows PC.
Step 2: Extract the zipped file.
Step 3: After extracting, go into the extracted folder, you will get a zip file with prefix
“UL-K***” (ex: “UL-K00G-WW-10.16.1.3.1-user.zip”).
Step 4: Connect the device with your PC.
Step 5: Place the zip file with prefix “UL-K*** ” to the root directory of the internal sdcard storage.
Step 6: Disconnect the device from your PC.