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Explains symbols used in the manual for hazards and additional information.
Lists safety precautions related to handling and using the device itself.
Safety guidelines for using the device in various environmental conditions.
Precautions for battery usage, charging, and handling potential hazards.
Warns about distracted use of the device leading to potential injuries.
Discusses potential interference from the device with other electronics.
Lists all items included in the product package for the EF400 device.
Details the physical components and layout of the EF400 device.
Instructions for inserting and removing micro SD and micro SIM cards.
Guides for installing and removing the device's Lithium-ion battery.
Instructions on how to charge the device's battery using a charger or cradle.
Tips and methods to improve the device's battery performance and longevity.
Guide on how to power the device on and off using the power button.
How to activate and deactivate Airplane mode to disable wireless communications.
Procedures for resetting the device's hardware and software to factory settings.
Explains various finger gestures for effective touchscreen interaction on the device.
Steps to lock and unlock the device screen for security and data protection.
Navigating and understanding the device's Start screen with live tiles and status bar.
Explains icons in the status bar indicating notifications and device conditions.
How to personalize the Start screen by adding, arranging, resizing, and removing tiles.
Utilizes accessibility features for easier device interaction, including text size.
Covers connecting to the internet and other devices via Wi-Fi and Bluetooth.
Guide on how to power the device on and off using the power button.
Procedures for resetting the device's hardware and software to factory settings.
Explains various finger gestures for effective touchscreen interaction on the device.
Steps to lock and unlock the device screen for security and data protection.
Navigating and understanding the device's Home screen with icons and status bar.
Explains icons in the status bar indicating notifications and device conditions.
How to personalize the Home screen by adding, arranging, and removing shortcuts/widgets.
Utilizes accessibility features for easier device interaction, including text size.
Covers connecting to the internet and other devices via Wi-Fi and Bluetooth.
Instructions for downloading, installing, and removing applications from the device.
Covers making, receiving, and managing phone calls on the device.
Managing contacts, creating groups, and sharing information via the People app.
Sending, finding, and deleting text messages on the device.
Setting up and managing email accounts, reading, and sending emails.
Taking photos, recording videos, and managing media files.
Browsing the web and managing internet connections on the device.
Using Office apps for creating and editing documents like Word, Excel, and PowerPoint.
Listening to music and playing or downloading video content on the device.
Managing events, adding tasks, and setting reminders in the Calendar app.
Finding locations, getting directions, and viewing maps on the device.
Instructions for downloading, installing, and removing applications from the device.
Covers making, receiving, and managing phone calls on the device.
Managing contacts, creating groups, and synchronizing contact information.
Sending text messages to contacts directly from the Contacts app.
Taking photos and recording videos using the device's camera.
Managing events, adding tasks, and viewing calendar details.
Setting alarms, using timers, and viewing times in different cities.
Overview of Google applications available on the device, including Chrome, Gmail, etc.
Managing Wi-Fi, Airplane Mode, and Bluetooth connections.
Customizing the Start screen and theme, including background and accent colors.
Configuring the device's lock screen background, status apps, and password.
Customizing quick actions and notification settings, including banners and sounds.
Managing device information, brightness, screen rotation, and screen projection.
Managing date, time, language, and region settings on the device.
Customizing device accessibility features like text size and narrator.
Managing location services and Find My Phone settings for device security.
Backing up device data and updating the device software.
Connecting to Wi-Fi networks, managing saved networks, and advanced settings.
Activating Bluetooth, pairing devices, and managing received files.
Managing cellular data usage, setting limits, and restricting background data.
Adjusting screen brightness, wallpaper, sleep time, font size, and screen rotation.
Configuring call ringtones, notification sounds, and vibration settings.
Checking internal and SD card storage space and erasing SD card data.
Monitoring battery usage and enabling battery saver mode.
Setting up screen lock, pattern, PIN, password, and trusted devices.
Managing accounts, adding new accounts, and enabling auto-sync.
Changing language, input methods, and configuring speech settings.
Performing factory resets and backing up device data.
Details dimensions, weight, power input, display, and battery specifications.
Information on processor, OS, version, memory, storage, and interfaces.
Specifies durability, operating, storage temperatures, and humidity.
Lists WWAN, WLAN, and WPAN radio specifications and frequency bands.
Lists various charging and Ethernet cradles for the device.
Details standard and extended batteries and their covers.
Lists accessories related to the device's scanning functionality.
Lists miscellaneous accessories like stylus pens and user manuals.
Solutions for issues where the device battery fails to charge correctly.
Addresses reduced battery life and potential causes.
Steps to take and support contacts if the device is exposed to water.
Explains normal device warming and when to seek support.
Information on obtaining repair services for the device.
Details FCC compliance rules and user restrictions for the device.
Explains compliance with Class B digital device limits and interference correction measures.
Declares compliance with EU directives and RF exposure requirements.
Explains proper disposal of electronic devices and batteries according to WEEE directive.
Provides details of the product warranty, including purchase date and term.
Outlines Bluebird's warranty service policy for product defects and replacements.
Instructions for data backup and contacting the customer service center.
Guidelines for returning products for service and required documentation.
Lists services that incur charges, such as misuse or loss of components.
General| RFID reader | - |
|---|---|
| Product color | Black |
| Phone function | Yes |
| Display diagonal | 4 \ |
| Display resolution | 800 x 480 pixels |
| Bundled software | Android 6.X with GMS |
| Operating system installed | Windows 10 IoT |
| Number of cores | 4 |
| Processor frequency | 1.2 GHz |
| Internal memory | 2 GB |
| Total storage capacity | 16 GB |
| Data network | EDGE, GPRS, GSM, HSPA, HSPA+, LTE, UMTS |
| Wi-Fi standards | 802.11a, 802.11g, Wi-Fi 4 (802.11n) |
| Bluetooth version | 4.1 |
| Rear camera resolution (numeric) | 13 MP |
| Battery voltage | 3.8 V |
| Battery capacity | 2840 mAh |
Weight and Dimensions| Depth | 15.9 mm |
|---|---|
| Width | 68 mm |
| Height | 136.3 mm |
| Weight | 200 g |
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