Product Name: Mini Magnetic GPS Tracker Usage Instructions:(Steps 1-3 are prerequisites for correct use of the GPS device, so please follow the sequence of 1-2-3)Preparation: - The device does not include a SIM card and storage card, so please prepare a 2G network SIM card and mini memory card in advance. Power On: - Open the card cover, insert the SIM card as indicated, and insert the mini memory card. The product will automatically power on, and the red light will flash four times before turning off. After 30 seconds, it enters normal standby mode. *(If the indicator light does not turn on after inserting the SIM card, charge the device with the SIM card inserted. Note: Charging without a SIM card is prohibited!) Bind the Master Control Number: - Send a text message "000" to the locator's number, and the device will reply with a text message. Send "Set; Bind + Master Control Number" to complete the binding. GPRS Location Query: - Send a text message "777" to the locator's number. The device will reply with the geographical location and a Google Maps link. Open the link on your phone for accurate location details. Location Trajectory Query: - Send a text message "102" to the locator's number. The device will reply with [account, password]. Log in to www.gpsfcst.com to view real-time location information. GPS Device Status: - Send a text message "888" to the locator's number. The device will reply with information about the main functions, battery capacity, bound numbers, signal strength, startup frequency, GPRS TF card capacity, etc. Restart the Main Unit: - Send a text message "999" to the locator's number and wait for 1 minute for successful restoration. Shutdown and Information Display Stop: - Send a text message "444" to the locator's number. The device will reply with "Reset; All task