Brand: AT&T
Category: Mobile Phone
Document Type:
Language: EN
Available Languages: EN , ES
Manual for Calypso 4
Uploaded: Aug. 10, 2025, 12:03 a.m.
Warranty Information
The manufacturer guarantees the product against material, design, and manufacturing defects for 24 months for the phone.
Getting started
This section introduces your phone, guides you through setup, and covers basic operations.
Parts and functions
Learn about your phone's parts: front/rear cameras, headset port, receiver, microphone, speaker, volume keys, power/lock key, touch screen, and USB Type-C port.
Battery use
Covers charging the battery using an AC adapter or USB connection. Includes important cautions about storage, bulges, replacement, and cleaning.
Install a SIM/SD card
Instructions for inserting a Nano SIM and microSD card. Includes steps for setting up and formatting the SD card.
Turn your phone on and off
Guides on powering the device on and off using the Power/Lock key or quick settings.
Use the touch screen
Explains basic touch gestures: tap, touch and hold, swipe, and drag. Also covers rotating the screen and pinch-to-zoom.
Complete the setup screens
Walks you through the initial setup wizard, including language selection, Wi-Fi connection, screen lock, and Google Account sign-in.
Troubleshooting and error codes
| Condition | Possible Cause | Solution |
|---|---|---|
| Phone does not turn on | Battery is not charged. | Connect the phone to the AC adapter to charge the battery. |
| Phone turns off unexpectedly | Battery is low. | Charge the battery. If the battery is critically low, it may need a few minutes to build a charge before turning back on. |
| Screen is unresponsive | The screen is dirty or wet. | Clean the screen with a soft, dry cloth. |
| Cannot make or receive calls | No network connection. | Check if Airplane mode is off. Ensure you are in an area with network coverage. |
| SD card not recognized | SD card is not inserted correctly. | Remove and reinsert the SD card, ensuring it is properly seated. |