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この記事には、Firefox OSに関わる、よくある質問 (FAQ) への回答が書かれています。

This article gives answers to frequently asked questions about Firefox OS. __TOC__ = Email = == What email providers are supported? == Hotmail, Yahoo mail, GMX mail and Gmail are currently supported with more on the way in future releases. Please try to connect your email account even if it is not listed here and then leave us feedback. == Are there any other limitations? == Currently Firefox OS doesn't support copy/paste, sending HTML email, viewing all email accounts at once and attachments. These features are being considered for future releases. == What do I do if my email provider isn't supported? == Please let us know via [https://support.mozilla.org/en-US/questions/new Ask a New Question]. In the meantime, you can use the web browser on Firefox OS and visit your email from there. = How do I set the Screen Lock? = Please see [[Set Screen Lock on Firefox OS]] for instructions on setting the screen lock on your device. = Why can't I place Calls or send SMS? = There are many reasons why calls or messages cannot be placed/sent. * Broken, malfunctioning or no SIM card: Please visit the nearest cell phone provider to pick one up. * Invalid/ incorrect number dialed - Please double check the phone number you have dialed. You can also see [[How to make a call]] for tips and tricks. * Network issues - Please contact your service provider if you believe you are having network issues. ** If you receive an error message like this: <br><br> [[Image:NetCon]] <br><br> please check that your SIM card is inserted properly and that you are in an area where you are able to have reception. {note} If you are inside a building, try going near a window. {/note} {note} If you are travelling, you may experience connection issues due to your location. It is best to check with your carrier to see where reception is present. {/note} = Why can't I connect to a WiFi Network? = If you need help connecting to a Wi-Fi network, please see [[Getting online using WiFi on Firefox OS]]. <br><br> There are many reasons why you are unable to connect to a Wi-Fi network: * No networks available * Invalid password/key entered * WPS button not pressed * Weak WiFi signal You can turn Wi-Fi off and back on to see if it helps, and reboot your device. = Why is the Radio not working? = {note} Please note that a 3.5mm headphone jack must be plugged in order for the radio application to work. The headphone jack will act as an antenna for the radio. {/note} Your radio may not be working because of the following reasons: * No headset: You must have a headset plugged in for the radio to work. If you have it plugged in, please double check that it is properly inserted and secure. * No signal: You may not have radio signals around you, therefore the radio will not be playing. * Wrong radio station: You may be on the wrong radio station channel, please double check the radio station you are on. You can also try by going to the home screen and open the application switcher to close the radio application. <br> If that does not help, try rebooting your device. = Why am I not able to take pictures? = You may experience trouble taking pictures because of the following reasons: * No SD card: remove and replace the SD card to be sure it is inserted correctly for use. Refer to the documentation that came with your device for detailed instructions. * Low memory space: Your phone may not have enough space to take and store the pictures. * Malfunction: The camera or phone may be malfunctioning. {note} Tip: Take the battery out for 15 seconds, then put it back in and turn on the phone. {/note} = Why won't my applications load? = There are many reasons why applications may not be loading when they are tapped on. Here are is what you can try: * Malfunction: Take the battery out for 15 seconds, then put it back in and turn on the phone. * Faulty Application: The application may be malfunctioning. Report the application by following the steps in [[How to report a faulty app in the Firefox Marketplace]]. * Low Memory Space: Some applications may require available memory to be able to run. Please check that you have enough storage on the phone. * Application not installed properly: The application may not have installed properly. Uninstall the application and then install it back. See [[How To Uninstall An Application]] if you need help uninstalling. * No Network Connection: Some applications may require a network connection, such as WiFi or 3G. Please make sure you are connected to the internet. = Why can I not connect to Websites? = There are many reasons why you are not able to connect to sites using the Firefox browser. * No Network Connection. * Network Connection has no data being transferred. * Glitch * Software issue(s) To fix this issue, you can try the following: <br> * Reboot the device. By turning the phone off, taking out the battery and SIM card and then putting them back in and turning the phone back on may resolve the issue. If this does not resolve your issue, continue reading. <br> *Clear your browser cookies <br> #Tap the browser tab to open the sidebar. #Tap the gear in the upper right to open the browser settings.<br><br>[[Image:browser_settings_fxos]]<br><br> #Tap the {button Clear cookies and stored data} and tap {button OK} to remove all stored private data and cookies.<br><br>[[Image:clear_cookies_fxos]]<br><br> =How do I install an update?= If a software update is available for your device, a notification will appear in the status bar. To download and install an update, complete the following steps: # Pull down the notification bar from the top of your screen to open the utility tray. # Tap on the Update notification. #: The details of the available updates appear. # Tap the update to start downloading it. {note}You must be connected to WiFi to download updates.{/note}<br><br>[[Image:download_update]] # When the download finishes, a screen will appear to indicate that the update is ready to be installed. <br><br>[[Image:install_update_firefox_os]] # Tap the {button Install} button to install the updates. {note} For System Updates, your phone will be unavailable while the update is being installed and the phone reboots. {/note} {note} You can set when to check for updates. Go to '''Device information''' in the settings, and visit the subsection '''Software Updates'''. You can also press '''Check now''' to check for updates right away. {/note}