I would like to know how to deal with the sudden inability to access the internet/make calls on my smartphone
Changing the settings on your smartphone may resolve the issue.
For details, please refer to the information below.
If airplane mode is on
iPhone
From the home screen, go to "Settings" [設定] → turn off "Airplane Mode" [機内モード].
Android
From the home screen, go to "Settings" [設定] → "Network & Internet" [ネットワークとインターネット] → turn off "Airplane Mode" [機内モード].
If mobile data transmission is off
iPhone
From the home screen, go to "Settings" [設定] → "Mobile data" [モバイル通信]→ turn on "Mobile Data" [モバイルデータ通信].
Android
From the home screen, go to "Settings" [設定] → "Network & Internet" [ネットワークとインターネット] → "Mobile Network" [モバイルネットワーク] → turn on "Mobile Data" [モバイルデータ].
If you are using an Android smartphone/tablet
Please check the Malfunction Detection.
If you cannot make calls
Tap on "Android smartphone/tablet" [Androidスマートフォン／タブレット] > "Voice/Calls" [音声・通話] > "Cannot make calls" [通話ができない], tap on, and select the applicable status to check how to deal with it.
If you cannot use data communication
Tap on "Android smartphone/tablet" [Androidスマートフォン／タブレット] > "Mobile Data" [通信] > "No internet connection" [ネットがつながらない], tap on, and select the applicable status to check how to deal with it.
If the above does not resolve the issue
There may be a temporary malfunction, so please turn off the power and then turn it back on (restart).
Has your problem been solved?
