Brand: NTT docomo
Category: Mobile Phone
Document Type: Manual
Language: EN
Brand: NTT docomo
Category: Mobile Phone
Document Type: Manual
Language: EN
Uploaded: Nov. 21, 2025, 9:04 p.m.
Manual Publish Date: 2017-11-01
Refer to the Warranty and After-Sales Service section on page 191 for warranty details.
The handset supports LTE, W-CDMA, GSM/GPRS, and wireless LAN systems.
It relies on radio signals and cannot be used in areas with no or weak signal. It converts conversations into a digital signal for transmission.
Periodically save information (phonebook, schedule, notes, voice memos) to external memory or PCs. DOCOMO is not liable for content loss due to device failure or changes.
Some installed apps or accessed sites may affect handset stability or transmit information improperly. Verify suppliers and operating conditions before use.
The handset supports FOMA Plus-Area and FOMA HIGHSPEED Area.
Insufficient microSD card or handset space may cause apps to malfunction. Delete saved data if needed.
Supports only docomo nano UIM card. Replace older UIM cards at a docomo Shop.
Does not support Public Mode (Drive Mode).
Automatic communication for functions like data synchronization or software updates may incur packet communication charges. Subscription to Packet Pack/flat-rate services is recommended.
| Problem | Cause | Solution |
|---|---|---|
| Calls cannot be made or received. | Handset is switched off. | Turn on the handset. |
| No signal. | Move to an area with a signal. | |
| SIM card is not inserted or is not inserted correctly. | Insert the SIM card correctly. | |
| Cannot connect to the internet. | Network settings are incorrect. | Check network settings. |
| No signal. | Move to an area with a signal. | |
| Battery drains quickly. | High power consumption apps are running. | Close unnecessary apps. |
| Screen brightness is too high. | Adjust screen brightness. |