1. Select a service that has a stable network 2. Choose a standard charger into a power outlet 3. Recharge the battery as often as possible. 4. Reduce the volume. 5. It is recommended to use headphones. 6. Use the BlackBerry Desktop Manager when the transfer media 7. Frugality in Screen display brightness and timeout
1. Select a service that has a stable network 2. Choose a standard charger into a power outlet 3. Recharge the battery as often as possible. 4. Reduce the volume. 5. It is recommended to use headphones. 6. Use the BlackBerry Desktop Manager when the transfer media 7. Frugality in Screen display brightness and timeout