... 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, ... Display Name field, type a name. 5. Press the Menu key.6. Click Save. User Guide Messages64Encrypt a PGP protected message with a pass phraseBy default, your BlackBerry device uses your PGP®...