【正文】 ....... 關(guān)于更新 BlackBerry Device Software............................................................................ 通過無線網(wǎng)絡(luò)更新 BlackBerry Device Software.................................................................... 恢復(fù)為之前版本的 BlackBerry Device Software.................................................................... 刪除 BlackBerry Device Software 之前的版本 ..................................................................... 檢查可以通過無線網(wǎng)絡(luò)安裝的 BlackBerry Device Software 更新 ..................................................... 關(guān)于從網(wǎng)站更新 BlackBerry Device Software...................................................................... 從網(wǎng)站更新 BlackBerry Device Software.......................................................................... BlackBerry Device Software 疑 難解答 ............................................................................ 無線網(wǎng)絡(luò)覆蓋 ................................................................................................... 關(guān)閉與無線網(wǎng)絡(luò)的連接 ........................................................................................... 關(guān)閉與無線網(wǎng)絡(luò)的連接 ........................................................................................... 打開或關(guān)閉數(shù)據(jù)服務(wù)或者設(shè)置漫游選項(xiàng) ............................................................................. 設(shè)備連接的無線網(wǎng)絡(luò) ............................................................................................. 更改無線網(wǎng)絡(luò)的連接速度 ......................................................................................... 網(wǎng)絡(luò)連接的 LED 通知 ............................................................................................ 打開無線網(wǎng)絡(luò)覆蓋的 LED 通知 .................................................................................... 確定網(wǎng)絡(luò)連接和服務(wù)狀態(tài) ......................................................................................... 230。188。230。184。166。€‰230。186。231。?231。?229。161。................................................................................. 無線網(wǎng)絡(luò)覆蓋疑難解答 ........................................................................................... WiFi 技術(shù) ..................................................................................................... 關(guān)于連接至 WiFi 網(wǎng)絡(luò) .......................................................................................... 打開 WiFi 技術(shù) ................................................................................................ 連接至 WiFi 網(wǎng)絡(luò) .............................................................................................. 使用按鈕設(shè)置連接到 WiFi 網(wǎng)絡(luò) .................................................................................. 使用 PIN 方法連接到 WiFi 網(wǎng)絡(luò) ................................................................................. 關(guān)于 WiFi 配置文件 ............................................................................................ 更改 WiFi 配置文件的順序。?€230。231。?190。167。231。 ..................................................................................................... 檢查電池電量 ................................................................................................... 延長(zhǎng)電池壽命 ................................................................................................... 格式化設(shè)備內(nèi)存或多媒體卡 ....................................................................................... 查看可用內(nèi)存量 ................................................................................................. 最佳實(shí)踐：節(jié)省設(shè)備內(nèi)存 ......................................................................................... 設(shè)備上的應(yīng)用程序內(nèi)存很小 ....................................................................................... SIM 卡 ......................................................................................................... 關(guān)于 SIM 卡電話簿 .............................................................................................. 在 SIM 卡中添加聯(lián)系 人 .......................................................................................... 將聯(lián)系人從 SIM 卡復(fù)制到聯(lián)系人列表 .............................................................................. 將聯(lián)系人從聯(lián)系人列表復(fù)制到 SIM 卡 .............................................................................. 更改 SIM 卡聯(lián)系人 .............................................................................................. 刪除 SIM 卡聯(lián)系人 .............................................................................................. 在 SIM 卡上存儲(chǔ)短信 ............................................................................................ 關(guān)于 SIM 卡安全性 .............................................................................................. 通過 PIN 碼保護(hù)您的 SIM 卡 ..................................................................................... 更改 SIM 卡的 PIN 碼 ........................................................................................... 更改電話號(hào)碼的顯示名稱 ......................................................................................... 安全性 ......................................................................................................... 安全性基礎(chǔ) ..................................................................................................... 密碼管理器 ..................................................................................................... 加密 ........................................................................................................... 內(nèi)存清除 ....................................................................................................... 證書 ........................................................................................................... PGP 密鑰 ....................................................................................................... 證書服務(wù)器 ..................................................................................................... 密鑰存儲(chǔ)區(qū) ..................................................................................................... 智能卡 ............................................................................................