Do you have a question about the Bluebird EF401 and is the answer not in the manual?
Explains symbols used to indicate hazards and additional information.
Lists precautions for handling the device, screen, and avoiding damage.
Provides guidelines on using the device in different environments and avoiding hazards.
Details safety measures for battery usage, charging, and potential hazards.
Warns about distraction, interference with medical devices, and magnetic media.
Lists all items included in the product package for the user.
Details the components and buttons on the front, back, bottom, and top of the device.
Instructions for inserting and removing SIM and SD cards for storage and services.
Guide on installing, removing, and charging the device's battery.
Tips and methods to maximize the device's battery performance and longevity.
How to power the device on, turn it off, and manage screen power.
Instructions for performing hardware and software resets on the device.
Explains common finger gestures for effective touchscreen interaction.
How to lock and unlock the device screen for security and data protection.
Guide to navigating and interacting with the device's Home screen.
Explains the status bar, notification icons, and status icons displayed on the screen.
How to connect to and manage Wi-Fi networks for internet access.
Guide to pairing and using Bluetooth devices for wireless communication.
Instructions on how to download, install, and remove applications from the device.
Guide to making, answering, and managing phone calls, including call logs and conference calls.
How to create, edit, find, call, and message contacts.
How to take photos, record videos, and adjust camera settings.
How to create, view, edit, and sync calendar events.
How to use alarms, timers, stopwatches, and configure clock settings.
Overview and usage of Google apps like Chrome, Gmail, Maps, Drive, etc.
How to configure wireless network and Bluetooth connections for optimal performance.
Managing data consumption, airplane mode, NFC, tethering, and VPN.
Adjusting brightness, wallpaper, sleep time, font size, and screen rotation.
Configuring alerts, ringtones, media volumes, and other audio preferences.
How to manage installed apps, view storage, and reset app preferences.
Setting up screen locks, encryption, and managing user and Google accounts.
Changing language, input methods, backing up data, and performing factory resets.
Details on the device's physical dimensions, weight, power, display, and build.
Details on the processor, OS, memory, storage, and interface.
Information on operating conditions, durability, and wireless communication capabilities.
Lists available charging cradles and battery options for the device.
Details accessories for vehicle use, scanning functions, and carrying the device.
Lists miscellaneous accessories like stylus pens, protective films, and manuals.
Troubleshooting common battery problems like charging and short life.
Steps for water damage recovery, overheating issues, and obtaining repair service.
Information regarding FCC rules, compliance, and potential interference issues.
Details on CE compliance, RF exposure requirements, and body-worn accessories.
Information on the WEEE directive for proper disposal of electronic equipment.
Details on product warranty, terms, and Bluebird's service policies.
How to contact customer support, prepare for service, and register the product.
Information on services that incur charges and situations where refunds are not provided.
| Display diagonal | 4 \ |
|---|---|
| Touch technology | Multi-touch |
| Touchscreen type | Capacitive |
| Display resolution | 800 x 480 pixels |
| Flash memory | 16 GB |
| Internal memory | 2 GB |
| Internal memory type | - |
| Maximum memory card size | 32 GB |
| Number of cores | 8 |
| Processor frequency | 2 GHz |
| Operating system installed | Android |
| Data network | EDGE, GPRS, GSM, HSPA, HSPA+, LTE, UMTS |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n) |
| Bluetooth version | 4.2 |
| Bluetooth Low Energy (BLE) | No |
| Rear camera resolution (numeric) | 13 MP |
| Headphone outputs | 1 |
| Headphone connectivity | 3.5 mm |
| Battery voltage | 3.8 V |
| Battery capacity | 2860 mAh |
| Product color | Black |
| Depth | 15.9 mm |
|---|---|
| Width | 68 mm |
| Height | 136.3 mm |
| Weight | 200 g |