[當您的 Gálá~xý 裝置出現電話斷線的情況或沒有網絡信號時,該怎麼辦]
[最後更新日期 : 2022年1月15日]
    [如果您的電話突然斷線或您的 Gálá~xý 裝置沒有網絡信號,這可能是由於裝置設定或服務營運商造成的相關問題。按照以下的指引檢查您裝置的狀態。]
[在嘗試以下建議之前,請務必先檢查您的裝置軟件和相關應用程式是否已更新到最新的版本。欲更新移動裝置的軟件,請按照以下步驟操作:]
[步驟 1:進入「設定」 > 「軟件更新」。
 
 步驟 2:輕觸「下載並安裝」。
 
 步驟 3:按照螢幕上的說明操作。]
[檢查您的裝置設定]
[裝置設定可能會影響您裝置的撥打或接聽電話功能。檢查是否開啟了「飛行模式」,或者您的裝置是否擋下了未知或私隱號碼的通話來電。]
[關閉飛行模式]
[步驟 1:打開「設定」,然後點選「連接」。]
[步驟 2:如果「飛行模式」已開啟,請把它關閉並檢查您的連接是否穩定。]
![[關閉飛行模式。]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-turn-off-airplane-mode.png?$ORIGIN_PNG$) 
        [檢查您的裝置是否封鎖了任何未知或私隱電話號碼]
[請注意:裝置的螢幕截圖和選單可能會因裝置型號和軟件版本而異。]
[感謝您提供意見讓我們了解您的需要]
[請回答所有問題。]
[RC01_S~tátí~c Cóñ~téñt~ : Thís~ téxt~ ís óñ~lý dí~splá~ýéd ó~ñ thé~ édít~ór pá~gé]
![[檢查裝置是否封鎖了任何未知電話號碼 步驟 1]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-check-device-blocking-unknown-private-numbers-1.jpg?$LazyLoad_Home_JPG$) 
					![[檢查裝置是否封鎖了任何未知電話號碼 步驟 1]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-check-device-blocking-unknown-private-numbers-1.jpg?$568_N_JPG$) 
				![[檢查裝置是否封鎖了任何未知電話號碼 步驟 2]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-check-device-blocking-unknown-numbers-02.png?$LazyLoad_Home_PNG$) 
					![[檢查裝置是否封鎖了任何未知電話號碼 步驟 2]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-check-device-blocking-unknown-numbers-02.png?$568_N_PNG$) 
				![[檢查裝置是否封鎖了任何未知電話號碼 步驟 3]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-check-device-blocking-unknown-numbers-03.png?$LazyLoad_Home_PNG$) 
					![[檢查裝置是否封鎖了任何未知電話號碼 步驟 3]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-check-device-blocking-unknown-numbers-03.png?$568_N_PNG$) 
				![[檢查裝置是否封鎖了任何未知電話號碼 步驟 4]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-check-device-blocking-unknown-numbers-04.png?$LazyLoad_Home_PNG$) 
					![[檢查裝置是否封鎖了任何未知電話號碼 步驟 4]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-check-device-blocking-unknown-numbers-04.png?$568_N_PNG$) 
				![[重設網絡設定 步驟 1]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-reset-network-settings-01.png?$LazyLoad_Home_PNG$) 
					![[重設網絡設定 步驟 1]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-reset-network-settings-01.png?$568_N_PNG$) 
				![[重設網絡設定 步驟 2]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-reset-network-settings-2.jpg?$LazyLoad_Home_JPG$) 
					![[重設網絡設定 步驟 2]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-reset-network-settings-2.jpg?$568_N_JPG$) 
				![[重設網絡設定 步驟 3]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-reset-network-settings-03-00.png?$LazyLoad_Home_PNG$) 
					![[重設網絡設定 步驟 3]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-reset-network-settings-03-00.png?$568_N_PNG$) 
				![[重設網絡設定 步驟 4]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-reset-network-settings-04.png?$LazyLoad_Home_PNG$) 
					![[重設網絡設定 步驟 4]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-reset-network-settings-04.png?$568_N_PNG$) 
				![[重設網絡設定 步驟 5]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-reset-network-settings-05.png?$LazyLoad_Home_PNG$) 
					![[重設網絡設定 步驟 5]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-reset-network-settings-05.png?$568_N_PNG$) 
				![[重設網絡設定 步驟 1]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-reconfigure-apn-settings-01-2.png?$LazyLoad_Home_PNG$) 
					![[重設網絡設定 步驟 1]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-reconfigure-apn-settings-01-2.png?$568_N_PNG$) 
				![[重設網絡設定 步驟 2]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-reconfigure-apn-settings-02-02.png?$LazyLoad_Home_PNG$) 
					![[重設網絡設定 步驟 2]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-reconfigure-apn-settings-02-02.png?$568_N_PNG$) 
				![[重設網絡設定 步驟 3]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-reconfigure-apn-settings-03-2.png?$LazyLoad_Home_PNG$) 
					![[重設網絡設定 步驟 3]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-reconfigure-apn-settings-03-2.png?$568_N_PNG$) 
				![[重設網絡設定 步驟 4]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-reconfigure-apn-settings-4.jpg?$LazyLoad_Home_JPG$) 
					![[重設網絡設定 步驟 4]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-reconfigure-apn-settings-4.jpg?$568_N_JPG$) 
				![[重設網絡設定 步驟 5]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-reconfigure-apn-settings-5.png?$LazyLoad_Home_PNG$) 
					![[重設網絡設定 步驟 5]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-reconfigure-apn-settings-5.png?$568_N_PNG$) 
				![[重設網絡設定 步驟 2]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-switch-or-manually-select-network-02-20.png?$LazyLoad_Home_PNG$) 
					![[重設網絡設定 步驟 2]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-switch-or-manually-select-network-02-20.png?$568_N_PNG$) 
				![[重設網絡設定 步驟 3]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-switch-or-manually-select-network-03-2.png?$LazyLoad_Home_PNG$) 
					![[重設網絡設定 步驟 3]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-switch-or-manually-select-network-03-2.png?$568_N_PNG$) 
				![[重設網絡設定 步驟 4]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-switch-or-manually-select-network-04-2.png?$LazyLoad_Home_PNG$) 
					![[重設網絡設定 步驟 4]](http://images.samsung.com/is/image/samsung/assets/hk/support/mobile-devices/what-to-do-when-calls-disconnect-or-there-is-no-network-signal-on-your-galaxy-device/mobile-galaxy-switch-or-manually-select-network-04-2.png?$568_N_PNG$) 
				