最終更新日 : 2026/06/27

Troubleshooting(501HW)

This guide applies only to devices with a management number starting with "SE…・SG…・SH…・BG." (found on the label on the back of the device).

If your device is not working properly, please try the following steps.

Note: Performing a reset will clear the data usage displayed on the screen back to "0."

<Restarting the Device>

Turn the power off, then turn it back on.

<Reinserting the Battery>

With the power turned off, remove the back cover and the battery, then reinsert them.

601-4.png

<Reinserting the SIM Card>

(1) Remove SIM : With the power turned off, remove the battery and slide the SIM card out.
(2) Reinsert : Slide the SIM card back into the slot and secure it.

501-SIM再装着.png

<Resetting the Device>

(1) Remove Back Cover:With the power on, remove the back cover.
(There is a small notch on the top-right side to insert your fingernail.)

(2) Press Reset Button:Press and hold the small red button above the battery for at least 5 seconds.

(3) Restart:The device will reset and restart automatically.

★★Important: APN Configuration
If your Device Management Number (on the back of the device) is 5 digits long starting with "SG10000~", APN settings are required after a reset.

APN Configuration Method
(1) Connect your PC or smartphone to the Wi-Fi router.
(2) Open a web browser and access the Settings Tool.

・Settings Tool URL:http://192.168.128.1/ (or scan the QR code)
・Password:admin

*If you cannot access the Settings Tool, please scan the QR code below.

(3) Follow the on-screen instructions to complete the setup.

601HW(ENG).png
501-601APN.png