| Hardware and OS | TCL 30 4G | |
| Operating System | Android 12, TCL UI 4.0 | |
| Processor | Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) | |
| Chipset | Mediatek MT6765V/CB Helio G37 (12 nm) | |
| RAM | 4GB 64GB | |
| Memory Card Slot | Yes, up to 512GB via microSD card (uses dedicated slot) | |
| GPU | PowerVR GE8320 | |
| Display | TCL 30 4G | other phones |
| Type | AMOLED touchscreen / 16M colors/ 900 peak brightness nits | |
| Size | 6.7 inches, (87.6% screen-to-body ratio) | |
| Resolution | 1080 x 2400 pixels, 20:9 ratio | |
| Connectivity | TCL 30 4G | other phones |
| 2G Network | GSM 850 / 900 / 1800 / 1900 - SIM 1 and SIM 2 | |
| 3G Network | HSDPA Band 1(2100), 2(1900), 5(850), 8(900) | |
| 4G Network | LTE band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 | |
| Technology | GSM / HSPA / LTE | |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | |
| Bluetooth | Bluetooth 5.0, A2DP | |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | |
| NFC | Yes | |
| USB | USB Type-C 2.0 | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot | |
| Camera | TCL 30 4G | other phones |
| Main camera | Main: 50MP, PDAF, f/1.9 aperture
Macro: 2 MP, f/2.4
Depth: 2 MP, f/2.4 | |
| Camera Features | Autofocus, Digital zoom, HDR, Touch focus, LED flash | |
| Camera Type | Triple Lenses | |
| Video Recording | 1080p@30fps, | |
| Selfie camera | 8-megapixel, | |
| Video Resolution | 1080p@30fps | |
| Multimedia | TCL 30 4G | other phones |
| Headphone jack | Yes, 3.5mm audio jack | |
| Loudspeaker | Yes, with dual speakers | |
| Speaker Location | Chin, below display and screen top | |
| Design | TCL 30 4G | other phones |
| Body build | Front glass / Plastic back / Plastic frame | |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | |
| Dimensions | 164.5 x 75.2 x 7.7 mm | |
| Weight | 184 grams | |
| Battery | TCL 30 4G | other phones |
| Capacity | Non-removable Li-Ion 5010mAh battery | |
| Fast Charging | Yes, Fast battery charging 18W (wired) | |
| Other features | TCL 30 4G | other phones |
| Colors | Tech Black, Muse Blue | |
| Sensors | Fingerprint (side-mounted), accelerometer, proximity, compass | |
