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Guidelines for safe use of power cords, sockets, and preventing electrical hazards.
Instructions on preventing damage to power cords and avoiding short circuits.
Emphasizes using manufacturer-approved accessories for safe operation.
Guidelines for use in hospitals, airplanes, and cars to prevent radiofrequency interference.
Prioritizing driving safety and responsible mobile phone use while operating a vehicle.
Step-by-step guide for inserting SIM cards and the battery into the device.
Instructions for managing SIM card security codes like PIN, PUK, and barring.
Detailed steps and indicators for charging the device's battery using the provided charger.
Procedures for initiating, answering, and managing phone calls, including redialing and call rejection.
Safety warnings for driving and using the device on aircraft.
Compliance with regulations in risky areas and observing special rules.
Step-by-step instructions for turning the mobile phone on and off using the End key.
Guide on writing, sending, receiving, and managing SMS messages.
Storing, viewing, editing, and managing contact entries in the phonebook.
Viewing and clearing call logs for different call types.
Playing video files and audio recordings on the device.
Setting up emergency contacts and messages for SOS alerts.
Configuring network preferences and device security features like PIN lock.
General| Brand | Sunstech |
|---|---|
| Model | CELT21 |
| Category | Cell Phone |
| Language | English |
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