GO Technology J15 Mobile Phone User Manual

: October 27, 2023
: GO Technology

Table of Contents

Your phone
Getting started
Using the Menus
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J15 Mobile Phone
User Manual

Your phone

1. 1 Phone overview

GO Technology J15 Mobile Phone

Getting started

2.1 Installing the SIM Cards and the Battery
A SIM card carries useful information, including your mobile phone number, PIN (Personal Identification Number), PIN2, PUK (PIN Unlocking Key), PUK2 (PIN2 Unlocking Key), IMSI (International Mobile Subscriber Identity), network information, contacts data, and short messages data.

Installation

Hold the End key for a while to power off the mobile phone.
Take the back cover above the battery away.
Take the battery away.
Insert the SIM card into the SIM card slot lightly with the corner cutting of the card aligning to the notch of the slot and the gold plate of the card facing download, till the SIM card cannot be further pushed in.
With the metallic contacts of the battery facing the metallic contacts in the battery slot, press the battery down until it locks into place.

2.2 Installing T-Flash Card
The T-Flash card is a pluggable mobile storage card inside the mobile phone.
To install the T-Flash card, open its latch, place its indented side downward, insert the card into the card slot, and then close the latch. To remove the T-flash card, open its latch and slightly take the card out. And then close the latch.

Using the Menus

3.1 Names
The mobile phone can store up to 300 telephone numbers.
3.2 Multimedia

Camera: Use this function to capture pictures.
Video Recording: Use this function to record video files.
Image: You can view the pictures or images through this function.
Audio: Use this function to play audio files. In audio player interface, you can press up and down direction key to control volume.
Video: Use this function to play video files. In video player interface, you can press left and right direction key to control volume.
FM radio: You can use the application as a traditional FM radio with automatic tuning and saved channels. You do not need to insert earphone into it, because this is Wireless FM

3.3 Profiles
The mobile phone provides multiple user profiles, including General, Silent, Indoor, Earphone and Bluetooth.
3.4 Games
Three games were embedded in the phone, for more specification, please refers to Help in the game
3.5Message
Through this function, you can create, read or send new 5MS
Note: If the short message memory is full, a blinking SAMS icon appears on the top of the screen. To normally receive short messages, you need to delete some of the existing short messages
3.6 Carrera
Use this function to capture pictures
3.7 Setting
Cal Settings

3 SIM: You can set standby mode, reply by original SIM, set SIM name and set 3 SIM call divert through this function.
Call divert: this network function enables you to forward incoming calls to another number you have previously specified.
Call waiting: After you choose Activate, the mobile phone will contact the network. A moment later, the network will make a response and send a message to acknowledge your operation. If the call waiting function is activated, the network will alert you and the mobile phone screen will display the incoming call number if others are calling you while you are already in a conversation.
Call barring: The call barring function enables you to bar calls as needed. When setting this function, you need to use a network barring code, which can be obtained from the network operator. If the code is wrong, an error message will be prompted on the screen. After selecting a call baiting option, continue to select Activate or Deactivate. The mobile phone will prompt you to input the call barring code and then contact the network. A moment later, the network will make a response and send the operation results to the mobile phone.
Hide ID: You can select hide ID, display own ID and or display ID by network.
Others: You can set IP prefix, call time minute reminder, auto redial, reply SMS after reject and auto record voice call through this function.

Phone Settings

Date & Time: set the date format, the time format, and detail time of the location.
Note: If you remove the battery from the mobile phone or if the battery energy was exhausted a long time ago ,you may need to reset the date and time when re-inserting the battery or powering on the mobile phone after recharging.
Language settings: Select the display language and writing language for the mobile phone.
Shortcut settings: Select preferred function as shortcut on screen direction key as needed.
Auto power on/off: Set the time when the mobile phone will be automatically powered on or off
Alert: Before entering an area where the use of mobile phones is forbidden, make sure that the scheduled power-on function is deactivated to avoid accidents.
Restore factory Settings: Use this function to restore factory settings. The preset password is 1234.

Display
Users can access this item to set Wallpaper, Idle display, Contrast, Backlight and Auto keypad lock etc.
Security
This function provides you with related settings about safety use

PIN: To activate PIN lock, you need to input the correct PIN code. If you set PIN lock to On, you need to input the PIN each time you power on the mobile phone. In the case you input a wrong PIN for three consecutive times; you need to input the PIN Unblocking Key (PUK). The PUK is used to unlock and change the locked PIN. To obtain the PUK, contact the network operator.
Modify PIN2: To change PIN2 code of PIN code.
Phone locked: The function enables you to lock/unlock the phone. Entering password to switch on or off the phone. Password is required when the phone is locked. The initial password is 1234.
Modify the cell phone password: to change phone password.
Privacy: You can set password to protect your privacy, the initial password is 0000.
Lock screen by end-key: You can select to turn on/off this function.
Guard-lock: You can set password to protect your cell phone.
Fixed dialing: You can select to turn on/off this function and set fixed dialing number through this function.
Blacklist: The number which you add to blacklist cannot call you.

Profiles
The mobile phone provides multiple user profiles, including General, Silent, Indoor, Earphone and Bluetooth. Connections Contact the network operator to obtain the following network services:

Network account: You can manage network account through this function.
GPRS Service: You can select to turn on/off this function.
Data connection settings: The default setting is connecting when needed.
Network selection: Set Network selection mode to Automatic or Manual. Automatic is recommended. When Network selection mode is set to Automatic, the mobile phone will prefer the network where the SIM card is registered. When Network selection mode is set to Manual, you need to select the network operators network where the SIM card is registered.

3.8 Application

Alarm: You can set three alarms through this function.
Calendar: Once you enter this menu, there is a monthly-view calendar for you to keep track of important appointments, etc. Days with events entered will be marked.
My files: The phone supports the memory card. The capacity of the memory card is selectable. You can use the file manager to conveniently manage various directories and files on the memory card.
Calculator: The calculator can add, subtract, multiply and divide.
Recorder: Use this function to record audio files. The phone supports WAV and AMR format.
STK: STK service is the tool kit of SIM card. This phone supports the service function .The specific items are depended by SIM card and network. Service menu will be auto added to the phone menu when supported by network and SIM card.
Bluetooth: You can transfer data, such as music to other device using Bluetooth. Search the device and receive/transfer data. The received data is automatically stored in the directory.
Torch: You can turn on/off torch through this function.

3.9 FCC Warning
15.19 Labeling requirements.
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:

This device may not cause harmful interference, and
This device must accept any interference received, including interference that may cause undesired operation.

15.21 Information to user.
Any Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
15.105 Information to the user.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.

Absorption Rate (SAR) information:
This device meets the government’s requirements for exposure to radio waves. The guidelines are based on standards that were developed by independent scientific organizations through periodic and thorough evaluation of scientific studies. The standards include a substantial safety margin designed to assure the safety of all persons regardless of age or health.
FCC RF Exposure Information and Statement
The SAR limit of USA (FCC) is 1.6 W/kg averaged over one gram of tissue. This device was tested for typical body-worn operations with the head 0mm and 10mm from the body. To maintain compliance with FCC RF exposure requirements, use accessories that maintain a appropriate separation distance between the user’s body and the back of the device. The use of belt clips, holsters and similar accessories should not contain metallic components in its assembly. The use of accessories that do not satisfy these requirements may not comply with FCC RF exposure requirements, and should be avoided. Use only the supplied or an approved antenna.