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  1. BlackBerry Docs
  2. BlackBerry Work 2.18
  3. BlackBerry Work for iOS User Guide
  4. Managing your notifications and alerts
  5. Manage sounds and notifications

Manage sounds and notifications

BlackBerry Work for iOS
 relies on 
Apple
 Push Notification Service (APNS) to receive changes (new or updates) to your inbox, contacts, and calendar. This provides near real-time updates to the client. Both foreground and background notification processing work in the same way. Each time you open the app, your mailbox is synchronized. However, unless your organization uses the 
BlackBerry Enterprise Mobility Server
 (
BEMS
), iOS users do not receive near real-time updates to their work email account.
For information about how to set notifications for Mail and Calendar in 
BlackBerry Work
, see Change BlackBerry Work for iOS settings 
To troubleshoot:
  1. On your device, in Settings open Notifications for 
    BlackBerry Work
     and enable your preferences.
  2. Tap 
    Settings
     > 
    General
     >
     Background App Refresh
     and make sure that 
    BlackBerry Work
     is allowed.
Your device updates frequently used apps more often. Allow up to a day of normal use on 
BlackBerry Work
 for your device to determine the update interval.