To use NotifySync, your device must be running BlackBerry Operating System 4.2.1 – 5.0.
To use Email attachments, your BlackBerry Operating System must be 4.5 – 5.0.

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Check your OS version:
On your device, click Settings > Options > About. |
Check your device’s available memory:
Installing NotifySync will require 1.2 MB of free device memory. You will need additional memory to store Email, Email Attachments, Contacts, Calendar Events, and Tasks.
Click
Settings >
Options >
Status.
File Free displays available memory.