Blackberry P'9981 manual Format your media card or built-in media storage, About compression

User Guide Storage space and media cards

My smartphone doesn't recognise my media card, 257

Format your media card or built-in media storage

Depending on your BlackBerry smartphone model, you might not be able to format your smartphone's built-in media storage.

CAUTION: If you format your media card or built-in media storage, all of the data that's saved to your media card or built-in media storage is deleted. Research In Motion recommends that you regularly create and save a back-up file on your computer, especially before you update any software. Maintaining a current back-up file on your computer might allow you to recover smartphone data if your smartphone is lost, stolen or corrupted by an unforeseen issue.

1.On the Home screen or in a folder, click the Options icon.

2.Click Device > Storage.

3.Press the key > Format.

4.Complete the instructions on the screen.

About compression

Compression is designed to reduce the size of your BlackBerry smartphone data while maintaining the integrity of that data. When compression is turned on, your smartphone can compress your data, including messages, contacts, calendar entries, tasks and memos. You should keep compression turned on.

If both compression and encryption are turned on, your smartphone compresses smartphone data before encrypting it.

About file encryption

File encryption is designed to protect files that you store on your BlackBerry smartphone and on a media card that can be inserted in your smartphone. You can encrypt the files on your smartphone and on your media card using an encryption key that your smartphone generates, your smartphone password or both.

If you encrypt the files using an encryption key that your smartphone generates, you can only access the files on your media card when the media card is inserted in your smartphone. If you encrypt the files using your smartphone password, you can access the files on your media card in any smartphone that you insert your media card into, as long as you know the password for the smartphone.

Turn on encryption

To encrypt data on your BlackBerry smartphone, you must set a password for your smartphone.

Depending on the amount of storage space available, you might not be able to encrypt files on your smartphone or on your media card.

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