iPhone 3G: Battery Life Tips

Dimming the screen. In bright light, the screen brightens (but uses more battery power). In dim light, it darkens. By covering up the sensor as you unlock the phone, you force it into a low-power, dim-screen setting (because the phone believes that it’s in a dark room). Or by holding it up to a light as you wake it, you get full brightness. In both cases, you’ve saved all the taps and navigation it would have taken you to find the manual brightness slider in Settings.

Turning off 3G. If you don’t see a 3G icon on your iPhone 3G’s status bar,then you’re not in a 3G hot spot, and you’re not getting any benefit from the phone’s battery-hungry 3G radio. By turning it off, you’ll double the length of your iPhone 3G’s battery power, from 5 hours of talk time to 10. To do so, from the Home screen, tap Settings-General-Network-Enable 3G Off. Yes, this is sort of a hassle, but if you’re anticipating a long day and you can’t risk the battery dying halfway through, it might be worth doing. After all, most 3G phones don’t even let you turn off their 3G circuitry.

Turning off Wi-Fi. From the Home screen, tap Settings - Wi-Fi - On/Off. If you’re not in a wireless hot spot anyway, you may as well stop the thing from using its radio. Or, at the very least, tell the iPhone to stop searching for Wi-Fi networks it can connect to.

Turning off Bluetooth. If you’re not using a Bluetooth headset, then for heaven’s sake shut down that Bluetooth radio. Tap Settings - General - turn off Bluetooth

Turning off GPS. If you won’t be needing the iPhone to track your location, save it the power required to operate the GPS chip and the other location circuits. Tap Settings - General - turn off Location Services.

Turning off “push” data. If your email, calendar, and address book are kept constantly synced with your Macs or PCs. When the Phone looking for updates, it costs you battery power. If you can do without the immediacy, Tap Settings - Fetch New Data; consider turning off Push and letting your iPhone check for new information, let say, every 15, 30, or 60 minutes.

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Restoring your BlackBerry file

Full Restores
To restore your BlackBerry data from a previous backup session:

1. Connect your BlackBerry to your desktop PC using the supplied USB cable or cradle.
2. Run Desktop Manager and double-click Backup and Restore. This brings up the Backup and Restore screen.
3. Click the Restore button.
4. Navigate to the location where your backup .ipd file is stored, select the file, and click Open.
5. At the prompt, click Yes to restore all of your original BlackBerry data from the specified backup file.

Selective Restores
As with the backup function, you can choose to perform a selective restore on one or more specific databases, rather than choosing to restore all of your BlackBerry data. This option is useful if one of your application databases has been damaged or deleted or if you are moving to a different BlackBerry handheld and you want to move only certain data over from your old handheld.

Direction:

1. Connect your BlackBerry to your desktop PC using the supplied USB cable or cradle.
2. Run the BlackBerry Desktop Manager application on your PC, and double-click the Backup and Restore icon from the main screen. This brings up the Backup and Restore screen.
3. Click the Advanced button.
4. Choose the file to restore from by clicking File Open.
5. Navigate to the .ipd file you want to use and then click Open to select the databases you wish to restore from the Desktop File Databases section.

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