... topicsView messages in a specific folder, 51 Some messages no longer appear on my deviceIf your BlackBerry application memory is full or you have more than 65 00 0 email, PIN, SMS text, and MMS messages, ... Validity Period field.4. Press the Menu key. 5. Click Save. User Guide Messages 65 3. Click Options.4. Set the Use Password-Based Encryption field to Yes. 5. In the Allowed Content Ciphers section, ... to senda service book to your device. User Guide Messages 89 5. Press the Menu key.6. Click OK.Change the default signing and encryption optionYour BlackBerry device is designed to use the...