Power cycling the Nokia 7390 corrects the most common fuctioning issues.
The Nokia 7390 is a standard cell phone featuring basic mobile features. However, this model is supported only on European 3G networks and not programmed to function on any U.S. wireless networks. Like most mobile phones, the Nokia 7390 may have issues--including the inability to make or receive calls, and send or receive text messages--that prevent it from functioning properly. Try basic troubleshooting steps to correct these issues.
Instructions
1. Perform a complete power cycle by powering off your Nokia, waiting a full minute, then powering the device on again. This resets your service connections and allows the device to receive new signals from nearby towers.
2. Slide off the back cover and remove the battery while your Nokia remains powered on. Set your battery to the side. This is called a hard shock. Make note of your device's IMEI and SIM card numbers, if applicable, located beneath the battery.
3. Check for liquid damage. Locate the small, white circle under your Nokia's battery and the small, white rectangle on the battery. If any pink or red color is present instead of white, liquid damage has occurred and the device will not function properly, if at all. Leave the battery out for one minute before reinserting and powering on your Nokia.
4. Open the Nokia's main menu and select the "Settings" option. Verify that both "Call Forwarding" and "Airplane Mode" are deactivated. The "Reject All Calls" options should not be active. Select the "Reset to Factory Settings" option to change the Nokia's settings back to their original state without deleting any of your saved data, such as contacts, pictures, songs, games and applications.
5. Dial "611" from your phone to contact your provider's customer service department. Full account information is required for verification. Determine if your wireless service is active and that there are no current outages in your area. The representative will verify your IMEI and SIM numbers, and that features and provisions are programmed correctly with your wireless number.
6. Request to speak with a technical support agent. Technical support provides a more in-depth method of troubleshooting and has access to internal systems and methods to resolve many cell phone issues. These include performing a "Master Reset" that restores the phone to factory settings while erasing all data to remove anything that may be preventing your phone from functioning properly.
7. File a warranty or insurance claim. If your Nokia still functions incorrectly after troubleshooting, the device may need to be replaced. A warranty exchange is available if your device fails within the first 12 months of service. If your warranty is expired, file a wireless insurance claim to have your Nokia replaced. Without a warranty or wireless insurance, paying full price for a new device is the last option.
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