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TCL 503, picture 1
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Phone

TCL 503

Brand
TCL
Release date
2024
Screen size
6.6 ″
Chip
Unisoc SC9863A
Memory
3 GB
Storage
64 GB

The UnboxingTN Verdict

out of 100

The TCL 503 offers Android 14, USB-C OTG and a 5000 mAh battery, but modest performance, cameras and display keep it firmly basic.

What is good

  • Android 14 provides a current software foundation.
  • 5000 mAh battery offers substantial capacity.
  • USB Type-C with OTG supports accessory connectivity.

What is not

  • Unisoc SC9863A and 3GB RAM constrain performance.
  • 8 MP main and 0.08 MP depth cameras are very basic.
  • 6.6-inch 720×1612 IPS TFT display is modestly sharp.

How the score breaks down

  • Performance 13
  • Camera 40
  • Display 32
  • Battery 25
  • Connectivity 41
  • Build 49
  • Software 34

UnboxingTN review · based on the specifications · engine 1.0.2 · Updated Sep 13, 2026

Written by UnboxingTN’s AI from the score and the specification sheet.

Reader reviews are coming, beside this score and never blended into it.

Specifications

Performance

Chip
Unisoc SC9863A
Chip maker
Unisoc
Graphics
IMG8322
Operating system
Android
System version
14

Memory and storage

Memory
3 GB
Storage
64 GB

Display

Screen size
6.6 ″
Resolution
720 × 1,612
Panel type
IPS TFT
Refresh rate
60 Hz
Pixel density
267 ppi

Battery

Battery
5,000 mAh

Cameras

Cameras
wide · 8 MP
depth of field · 0.08 MP

Connectivity

Mobile network
4G
Wi-Fi
WiFi 4
Bluetooth
4.2
USB
2.0 OTG Type-C

Design

Weight
185.5 g
Height
163.86 mm
Width
75.51 mm
Thickness
8.9 mm
Colours
Space Gray Midnight Blue

Data source · gsmchoice