UCORE ELECTRONICS UCE-CT221L Use and care manual

UCE-CT221L FAULT LOCATOR
HOW TO UPDATE TUTORIAL
UCORE ELECTRONICS
www.ucore-electronics.com
2021

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Contents
1. Introduction.............................................................................................................................................2
2. Download the firmware.........................................................................................................................2
3. Connection..............................................................................................................................................2
4. Firmware Update...................................................................................................................................4

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1. Introduction
This document shows how to update the firmware of UCE-CT221L.
2. Download the firmware
Firstly, download the latest firmware as rar file, it includes CT221_firmware.bin. Please visit our
website for the latest firmware.
3. Connection
Firmware file (CT221_firmware.bin) must be copied in UCE-CT221L USB Disk. There are two
ways to recognize the device as an UCE-CT221L USB Disk to PC.
First way,
Plug the UCE-CT221L with USB Cable to PC. And then Click ‘USB Disk’ icon at main menu
(Figure 1). USB Disk symbol is shown on the screen (Figure 2).
Figure 1.
Figure 2.

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Figure 3.
When the device recognizes as USB Disk, it is listed in the ‘Devices and drivers’ (Figure 3).
Second way,
Plug the UCE-CT221L with USB Cable to PC. And then while pressing and holding ‘BOOT’ button,
press and release ‘RESET’ button (Figure 4). Finally, release ‘BOOT button too. When the device
recognizes as USB Disk, there will be a connection information on the screen (Figure 5) and it is
listed in the ‘Devices and drivers’ (Figure 3).
Figure 4.
Figure 5.

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4. Firmware Update
After recognizing as USB Disk, firmware file (CT221_firmware.bin) must be copied in UCE-CT221L
USB Disk (Figure 6). And then reset the device. To reset the device, you can press ‘RESET’ button
(Figure 4).
Figure 6.
After reset, the update progress will start and there will be some information about process on the
screen (Figure 7). At the end of the process, the firmware file is deleted.
Figure 7.