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TCL 403 Manual

TCL 403
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• If the issue occurs while using a certain third-party app, make sure the app is
compatible with your device and Android version. Try uninstalling the third-party
app.
• If it still doesn't work, reset the phone or update software.
My phone can't charge properly
• Make sure that you are using the TCL charger that comes with the phone.
• Make sure that your battery is not completely discharged; if the battery power
has been empty for a long time, it may take around 20 minutes to display the
battery charging indicator on the screen.
• Make sure that charging is carried out under normal conditions 0°C (32°F) to
45°C (113°F).
• When abroad, check that the voltage input is compatible.
My phone can't connect to a network or "No service" is displayed
• Try connecting to the network by moving to another physical location.
• Verify the network coverage with your operator.
• Check with your operator that your SIM card is valid.
• Try connecting at a later time if the network is overloaded.
• Try to turn on "Airplane mode" for a few seconds, then turn airplane mode off.
My phone can't connect to the internet
• Make sure that the internet access service of your SIM card is available.
• Check your phone's internet connection settings.
• Make sure that you are in a place with network coverage.
• Try connecting at a later time or another location.
• Try to turn on "Airplane mode" for a few seconds, then turn airplane mode off.
Invalid SIM card
• Make sure that the SIM card has been correctly inserted.
• Make sure that the chip on your SIM card is not damaged.
• Make sure that the service of your SIM card is available.
My phone can't make outgoing calls
• Make sure that you have dialled a valid number and have touched .
• For international calls, check the country and area codes.
• Make sure that your phone is connected to a network, and the network is not
overloaded or unavailable.
• Check your subscription status with your operator (credit, SIM card valid, etc.).
• Make sure that you have not barred outgoing calls.
• Make sure that your phone is not in aeroplane mode.
My phone can't receive incoming calls
• Make sure that your phone is switched on and connected to a network (check
for overloaded or unavailable network).
• Check your subscription status with your operator (credit, SIM card valid, etc.).
• Make sure that you have not forwarded incoming calls.
• Make sure that you have not barred certain calls.
• Make sure that your phone is not in aeroplane mode.
The callers name/number doesn't appear when a call is received
• Check that you have subscribed to this service with your operator.
• Your caller may have concealed his name or number.
I can't find my contacts
• Make sure that your SIM card is not broken.
• Make sure that your SIM card is inserted properly.
The sound quality of the calls is poor
• Adjust the volume during a call by pressing the Volume key.
• Check the network strength. Move to a location with stronger signal strength.
• Make sure that the receiver, connector and speaker on your phone are clean.

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TCL 403 Specifications

General IconGeneral
Color nameMauve Mist
Form factorBar
Product colorPurple
Housing materialPlastic
International Protection (IP) codeIP52
Screen shapeFlat
Pixel density179 ppi
Display diagonal6 \
Touchscreen typeCapacitive
Display brightness400 cd/m²
Display resolution480 x 960 pixels
Native aspect ratio18:9
Rounded display cornersYes
Contrast ratio (typical)1000:1
Graphics cardIMG GE8300
Country of originChina
Wireless chargingNo
SpeakersMono
Speaker power1 W
Audio formats supportedAAC, AAC+, AMR, AWB, FLAC, MP3, PCM, Vorbis, eAAC+
Video formats supportedAVC, H.263, H.264, H.265, HEVC, MPEG4, VP8, VP9
Processor cores4
Processor familyMediaTek
Processor frequency2 GHz
Processor architectureARM Cortex-A53
PlatformAndroid
Operating system installedAndroid 12 Go edition
RAM typeLPDDR4X
User memory21 GB
RAM capacity2 GB
Memory card slot typeDedicated slot
Compatible memory cardsMicroSD (TransFlash), MicroSDHC, MicroSDXC
Maximum memory card size512 GB
Internal storage capacity32 GB
Flash typeLED
Rear camera typeSingle camera
Maximum frame rate30 fps
Rear camera pixel size1.12 µm
Front camera pixel size1.75 µm
Rear camera sensor size1/4 \
Front camera sensor size1/5 \
Rear camera lens elements4-element lens
Rear camera aperture number2
Front camera aperture number2.8
Video capture resolution (max)1920 x 1080 pixels
Rear camera resolution (numeric)8 MP
Front camera resolution (numeric)5 MP
Rear camera field of view (FOV) angle76.9 °
Front camera field of view (FOV) angle61.4 °
Talk time (3G)21 h
Battery voltage5 V
Battery capacity3000 mAh
Standby time (3G)612 h
Standby time (4G)685 h
Battery recharge time3.5 h
CertificationREACH, RoHS, SVHC-XVII-17, WEEE; CE, FCC, GCF, GCF FT, BT SIG, WIFI Alliance
Cables includedMicro-USB
4G standardLTE-TDD & LTE-FDD
3G standardsHSPA+
SIM card typeNanoSIM
Wi-Fi standards802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version5.0
SIM card capabilityDual SIM
Mobile network generation4G
Subscription typeNo subscription
USB connector typeMicro-USB B
Headphone connectivity3.5 mm
Weight and Dimensions IconWeight and Dimensions
Depth9.6 mm
Width78.2 mm
Height159.2 mm
Weight182 g
Package depth90 mm
Package width162 mm
Package height42 mm
Package weight313 g

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