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1 About This Manual
The SF550 provides high quality features as a smart terminal using Bluebird’s creative ideas and
technological expertise. This user manual is designed to help users effectively operate the device.
• Please read this manual carefully before using the device for safe and proper use.
• This device may only be used in countries where it is sold.
• The components and colors of this device in this manual may differ from the actual product.
• Features and specifications are subject to change without prior notice.
• Content may vary by software version or by service provider.
• Apps and features may vary by country or region.
• Certain features of this device may have performance issues due to user environment, programs in use, or
peripheral device usage. Bluebird is not liable for any issues caused by third-party apps or accessories.
• Modifying the device’s operating system or installing software from unknown sources may cause device
malfunction or data loss. Improper or unauthorized use of the device is a violation of the Bluebird license
agreement and void your one-year limited warranty.
1 About This Manual