What to do if my KDDI GRATINA 4G screen does not respond?
If your KDDI Cell Phone is unresponsive, the screen isn't working, or you can't turn it off, try forcing a power off and reboot. Press and hold the . and v buttons simultaneously for at least 11 seconds.
Why can't I make calls on my KDDI GRATINA 4G?
To make calls with your KDDI Cell Phone, ensure the device is powered on. Also, make sure that "Airplane mode" is not enabled.
General| Phonebook | Yes |
|---|---|
| Call records | Yes |
| Internal Storage | 8 GB, 1 GB RAM |
| Alert types | Vibration; MP3, WAV ringtones |
| Loudspeaker | Yes |
| 3.5mm jack | Yes |
| WLAN | Wi-Fi 802.11 b/g/n, hotspot |
| GPS | Yes, with A-GPS |
| NFC | Yes |
| Infrared port | No |
| Browser | HTML5 |
| Java | No |
| 4G bands | LTE band 1(2100), 18(800), 26(850) |
| Status | Available |
| SIM | Micro-SIM |
| Display Type | TFT |
| Card slot | microSD, up to 32 GB |
| Rear Camera | 8 MP |
| Bluetooth | A2DP |
| USB | microUSB 2.0 |
| Messaging | SMS(threaded view), MMS, Email, IM |
| Battery | Li-Ion |
| Colors | White, Pink, Green |
Emphasizes reading and following safety instructions to prevent harm.
Provides guidelines for safe operation and care to prevent product faults.
Lists common safety precautions for main unit and accessories.
Safety warnings specific to the main unit of the product.
Safety warnings and precautions related to the product's battery pack.
Safety warnings and precautions for using the product's charger.
Details water, dust, and shock resistance features and precautions.
Important considerations for using wireless functions and potential interference.
Notes on potential interference and security risks when using the 2.4 GHz band.
Identifies and describes the main physical components and their functions.
Explains the unique sound relay system and how to use it.
How to view device status on the secondary display.
Explains the service for registering safety information during disasters.
Details how to receive alerts for earthquakes, tsunami, and evacuations.
Basic key usage and navigation techniques.
Step-by-step guide to dialing a number and initiating a call.
How to add contacts to speed dial for quick calling.
Steps to answer an incoming phone call.
How to decline an incoming phone call.
How to view and check the phone's profile information.
Explains how the phone notifies emergency services of your location.
How to make calls from call history and view call frequency.
How to make calls using the speed dial numbers.
Steps to modify and update the phone's profile details.
Describes the Voice Party service for group calls.
How to add and save contact information like names and numbers.
How to view detailed information for a specific contact.
How to view the list of saved contacts.
How to view detailed information for a specific contact.
Details on how contacts are displayed and navigated.
How to navigate through different email folders like Inbox and Outbox.
How to view lists of received, sent, and unsent emails.
How to open and read individual email messages.
Step-by-step instructions for composing and sending emails.
How the phone notifies and displays incoming text messages (SMS).
How the phone notifies and displays incoming emails.
Instructions for composing and sending text messages (SMS).
How to use the LINE communication application on the device.
Methods for connecting to the internet via packet communication or Wi-Fi.
Important precautions and tips before taking photos or videos.
Explains the icons and elements displayed in the camera's viewfinder.
Step-by-step guide to taking photos and recording videos.
How to access and navigate the device's settings menu.
Introduction to using the Wi-Fi function for internet connectivity.
Steps to turn on the Wi-Fi feature.
How to find and connect to available Wi-Fi networks.
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