JVC J20 User Manual

JVC J20

USER MANUAL

This product is manufactured, distributed and warranted exclusively by VESTEL Ticaret A.Ş and serviced by its designated

service providers. “JVC” is the trademark of JVC KENWOOD Corporation, used by such companies under licence.

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J Table of Contents

Safety Information .........................................................................................................................................2

Important Information Regarding This User Manual ...........................................................................6

Points To Be Considered During Transport ..............................................................................................6

Liability Limitation .........................................................................................................................................6

Technical Specifications .............................................................................................................................. 9

General Functions of the Buttons ............................................................................................................12

General Appearance ................................................................................................................................... 14

Usage ...............................................................................................................................................................15

Cleaning and Maintenance........................................................................................................................24

Troubleshooting ...........................................................................................................................................25

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J Safety Information

• Do not use damaged power cables or plugs.

• Do not touch the power cable or the device with wet
hands, this could cause damages to you or your device.

• Do not place any objects on your device as its screen
might get scratched.

• Do not use your device under rain.

• Do not use other styluses or variations unapproved
by the manufacturer. Do not attempt to disassemble
your phone.

• Turn off the device and remove the power cable while
cleaning the device.

• Do not bring your device near heaters or high
pressure vessels.

• Do not scratch the paint, logo etc. found on your
device.

• Do not use your device if the screen breaks or cracks.

• Be careful during plugging and unplugging
operations while using the device with accessories.

• Use accessory cables like power cables, earphones
perpendicularly, without horizontal movement.

• Do not recharge the battery in your phone with any
other device which is not approved by manufacturer.
Use the charging adaptor provided with the product
only.

• Never use your device in the following conditions:

-If the device body is damaged and electrical
components are exposed,

-If the device has contacted water and other liquids.

• If any of the above situations is observed, turn off
the device immediately and contact authorized service.

• A damaged device or damaged device components
can cause serious injuries and fire.

• There are no serviceable parts by the user. In case

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of a fault, do not attempt to repair your device
by yourself. Otherwise, the device shall be void of
warranty.

• Use of accessories that are not recommended by
the manufacturer may cause damages to the device
and personal injuries.

• If a problem occurs regarding product or battery;
the necessary repair and battery change operations
shall only be performed by the authorized service.

• Do not use the device on very hot or very cold, dusty
or damp environments.

• Radio frequency emitted from your device may
interact with some hearing-aid devices. Before using
your device, contact the manufacturer of the hearing­aid device and ask if the radio frequency emitted
from your device affects the hearing-aid device.

• Keep cell phones at least 6 inches (15 cm) away

from pacemaker; do not carry cell phones on your
chest pockets; keep the cell phone on your ear at
the opposite side of your pacemaker to reduce
possible interferences. If you have any doubts on
the interference from your cell phone, please turn off
your phone immediately.

• Do not use your device near audio systems or
devices or equipment that emit radio frequencies
such as radio towers.

• Do not unplug the charger by pulling the cord.

• Follow the rules specified by the authorities for
hospitals, health institutions, planes and airports.

• Do not use your device if it is forbidden.

• Do not download applications to your phone from
unknown websites. These may be malicious software
and may cause damage to your phone. Manufacturer
is not responsible for such damages.

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• Your phone may heat up while charging or during
normal operation. Close the open applications if your
phone heats up excessively.

• Do not expose your phone or its accessories to open
flames or smouldering tobacco products.

• Unplug the charger from outlet and the device
when it is not in use.

• Use the AC power source described in the
specifications of the charger. Use of non-proper
power voltage may cause a fire or failure of the
charger.

• Do not place your device, its battery and charger
to places where they can be damaged by impact.
Otherwise, this may cause battery leak, device failure,
overheating, fire or an explosion.

• Do not put pointed metals such as needles in the
vicinity of the headphone. Headphone may draw

these objects to itself and may harm you while you
are using your device.

• Do not leave the accessories of your phone where
children can reach them; your phone includes small
parts with sharp edges that may cause injuries or
parts that may cause risk of choking when removed.

• Avoid using the device in such ways that may
prevent the air flow or that may cause the device
to overheat.

• Do not use your phone outdoors on rainy and
stormy weathers.

• Do not use the phone on your hand while driving
a vehicle. Make your calls using a headphone and do
not write text messages while driving.

• Keep the phone 15 mm away from your ear or your
body while making a call.

• Do not use your device in gas stations.

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• Keep this device away from magnetic fields.

• Do not use the flash of the camera on the device
near the eyes of persons or pets.

• Do not use the device for purposes other than its
intended purpose, otherwise this may render the
warranty of the device void.

• Do not insert foreign material to the input or output
ports of the device and chargers. Otherwise, this may
cause explosions or fire.

• Ensure that you have read and understood the
operation manual before using the device.

• It may not be possible to establish contact at every
conditions in emergency calls.

Environmental Conditions:

The operating environment of the product must be

between 0 to 35˚C in terms of ambient temperature

and 20 to 80% in terms of relative humidity.

• WARNING: To prevent possible hearing damage, do
not listen for long periods on high volume settings.

Accessory Information
Adapter
Brand: Vestel
Vender: AOHAI
P/N: VS-ADP-9V-2A-SP-QC3.0
Model: A824-120150U-EU1
Input: 100-240V

50-60 Hz 0.5A

Output: 5V/9V/12V

3A/2A/1.5A
WARNING: Product shall be charged with this
specified charger (adaptor). Adaptor may be used for
disconnecting AC power connection when required.
It is not suitable for operating over an altitude of

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2000 metres.

USB Cable P/N: PCB04CM20HF0-9-REV1
Headphone P/N: INECAN 307

J Important Information Regarding User Manual

• The information contained in this user manual is
protected by copyrights.

• Copying or duplication by any means of any text,
figure etc. information contained in the manual is
forbidden without written consent of the copyright
holders.

• It is forbidden to apply reverse engineering on or
destroy the product supplied with the manual.

• All visuals in the manual are for reference only, they
might not reflect the facts.

J Points To Be Considered During Transport

• Do not drop the device during transport and protect

it against impact.

• Damages and faults that occur during transport
after the delivery of the appliance to the customer
are not included in the warranty cover.

J Liability Limitation

All technical information, instructions of use,
information on the operation and maintenance of
the device provided in this manual includes the latest
information regarding your product. Manufacturing
company does not assume any responsibility
for damages and injuries that might be caused
due to not observing the instructions in this user
manual, using the device outside its intended use,
unauthorized repairs, unauthorized modifications on
the device and using spare parts not approved by the
manufacturer.

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Other Important Safety Information
Please use genuine parts or parts provided by the
manufacturer. Using non-original part may reduce
the performance of your phone, or even put your

health to risk.
Cell phones generate electromagnetic fields, please
do not put your cell phones near magnetic memories
such as computer disks etc. When the cell phone is
used in the vicinity of electrical equipment such as
TV, telephone, radio and PC, its performance may be
adversely affected by interference.
Please do not connect to non-compliant devices.
Only competent persons may repair the phone or
perform the installation of cell phone related equip­ment on the vehicle.

This documentation declares that
Vestel Elektronik Sanayi ve Ticaret A.Ş. radio equip­ment type Smart Phone conforms with Directive
2014/53/EU.

This device complies with the directive on
the control of waste electrical and elec­tronic equipment.

• Specifications of the device and this manual may
be modified without prior notification.

• Complies with WEEE Directive.

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J Technical Specifications

Model name

JVC J20

Dimensions 149.1*72.1*7.9 mm
Weight

158 gr

Processor

Qualcomm SDM630 4 x 1.9GHz / 4 x 2.2 GHz Octa Cortex A53

Memory

64 GB

RAM

4 GB

Max. Memory

up to 128 GB (Micro SD)

Display 5.65” FHD+ (2160x1080) 5-Points Multi-Touch Display
SIM

Single, Nano

Camera

Rear 16MP+5MP PDAF DUAL CAMERA
Front

8 Mp FF

Battery Capacity

3400 mAh

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Carrier

Max. Transmitted RF Output Power

(dBm)

2G

GSM Frequency

850
900
1800
1900

32,67
32,87
29,77
29,67

GPRS Yes
EDGE

Yes

3G WCDMA Frequency

900 (Band 8)
2100 (Band 1)

23,37
23,85

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4G

LTE Frequency

800 (Band 20)
900 (Band 8)
1800 (Band 3)
2100 (Band 1)
2600 (Band 7)

23,21
23,25
22,27
22,73
23,74

LTE CA_1A-8A

2100 22,15

LTE CA_1A-20A 2100 22,51
LTE CA_3A-8A 1800 22,12
LTE CA_3A-20A

1800 21,95

LTE CA_7A-20A 2600 23,44
LTE CA_3A-7A

1800 21,88

LTE Contiguous CA_3C

1800 22,25

LTE Contiguous CA_7C 2600 23,65
LTE Non-Contiguous CA_3A-3A

1800 22,31

LTE Non-Contiguous CA_7A-7A

2600 23,39

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WiFi

WLAN 11b_2.4GHz 2437 20,37
WLAN 11g_2.4GHz 2437 20,56
WLAN 11n_2.4GHz

2437 13,93

WLAN 11n_5GHz

5320 10,5

WLAN 11a_5GHz 5320 10,83

BT Bluetooth 4.1

2472 11,89

Additional Software

Volte, Vowifi, Vilte

FM Radio

Yes

Positioning

GPS + GLONASS (Assisted GPS)

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J General Functions of the Buttons

Name of the Button Single Tap Tapping and Holding

Recent Applications Button

Lists the applications used

recently.

Long pressing recent button can
split the screen.

Main Screen Button

Opens the main screen. Browser is launched when the

main screen button is held
tapped.

Back Button

Returns to the previous screen
you have viewed. Turns off
the on-screen keyboard if it
pressed while the on-screen
keyboard is on.