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tcl 503

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Brand
 xiaomi tcl
Model
 xiaomi redmi k20 tcl 503
Announced
 2019 May 2024 February 26
Status
 Available. Released 2019 June Available. Released 2024 October
Device Body
 glass front ( gorilla glass 5 ) | glass back ( gorilla glass 5 ) | aluminum frame glass front | plastic back | plastic frame
Dimensions
 156.7 x 74.3 x 8.8 mm ( 6.17 x 2.93 x 0.35 in ) 163.9 x 75.5 x 8.9 mm ( 6.45 x 2.97 x 0.35 in )
Weight in gram
 191 185.5
SIM card
 dual SIM ( Nano-SIM | dual stand-by ) Nano-SIM
Water Resistance
 No No
Display type
 Super AMOLED | hdr IPS LCD | 350 Luminance units ( typ )
Display resolution
 1080 x 2340 pixels | 19.5 : 9 ratio ( ~403 pixel per inch density ) 720 x 1612 pixels | 20 : 9 ratio ( ~267 pixel per inch density )
Display size
 6.39 inches | 100.2 cm2 ( ~86.1% screen to body ratio ) 6.6 inches | 104.6 cm2 ( ~84.6% screen to body ratio )
Display Protection
 corning gorilla glass 5
Operating System
 android 9.0 ( pie ) | upgradable to android 10 | miui 12 android 14 ( go edition )
CPU
 Octa-core ( 2x2.2 GHz kryo 470 gold & 6x1.8 GHz kryo 470 silver ) Octa-core ( 4x1.6 GHz cortex-a55 & 4x1.2 GHz cortex-a55 )
Chipset
 Qualcomm sdm730 snapdragon 730 ( 8 nm ) unisoc sc9863a ( 28 nm )
GPU
 adreno 618 powervr ge8322
Memory card
 No microsdxc ( dedicated slot )
Memory v1
 64gb 6gb RAM 64gb 3gb RAM
Memory v2
 128gb 6gb RAM | 256gb 8gb RAM
Primary camera
48 megapixel| lens aperture1.8 | 26mm ( wide ) | 1/2.0" | 0.8µm | phase detection autofocus
8 megapixel| lens aperture2.4 | 53mm ( telephoto ) | 1/4.0" | 1.12µm | phase detection autofocus | 2x optical zoom
13 megapixel| lens aperture2.4 | 12mm ( ultrawide ) | 1/3.1" | 1.12µm
8 megapixel ( upscaled to 13 megapixel) | lens aperture2.0 | ( wide ) | 1/4.0" | 1.12µm | Auto focus
Secondary camera
Motorized pop-up 20 megapixel| lens aperture2.2 | ( wide ) | 1/3.4" | 0.8µm
5 megapixel ( upscaled to 8 megapixel) | lens aperture2.2 | ( wide ) | 1/5.0" | 1.12µm
Loud speaker
 Yes Yes
Audio jack
 Yes Yes
WLAN
 Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct | hotspot Wi-Fi 802.11 b/g/n | Wi-Fi Direct
Bluetooth
 5.0 | a2dp | le | aptx hd 4.2 | a2dp
GPS
 Yes with a-gps glonass galileo bds
NFC
 Yes ( china only ) No
Radio
 FM Radio unspecified
USB
 USB Type-C 2.0 | USB on-the-go USB Type-C 2.0
Sensors
 fingerprint ( under display | optical ) | accelerometer | gyroscope | proximity | compass fingerprint ( rear-mounted ) | accelerometer
Battery
 li-po 4000 mAh | Non-removable 5000 mAh
Battery Charge
 Fast charging 18w 10w wired
Colors
 black color gradations, red color gradations, blue color gradations, white color gradations gray color gradations, blue color gradations
Network technology
 gsm / hspa / lte gsm / hspa / lte
5G bands
Network speed
 hspa 42.2/5.76 mbps lte-a hspa lte
GPRS
EDGE
Approx price
  • 200 GBP
  • 241 EUR
  • 2370 NOK
  • 2500 SEK
  • 15300 RUB
  • 250 USD
  • 1290 BRL
  • 360 AUD
  • 320000 KRW
  • 33000 JPY
  • 340 SGD
  • 1090 MYR
  • 900 AED
  • 4100 ZAR
  • 90 GBP
  • 105 EUR
  • 990 NOK
  • 1100 SEK
  • 6400 RUB
  • 110 USD
  • 540 BRL
  • 150 AUD
  • 140000 KRW
  • 14000 JPY
  • 140 SGD
  • 460 MYR
  • 380 AED
  • 1800 ZAR