Celkon Q405
The Celkon Q405 is a budget-focused device, powered by the Spreadtrum 7731, built for basic everyday tasks (2015).
2015 · Entry-level · Android 4.4 (KitKat)ⓘ Grades compare this device against others in its own market segment (Budget), not against every device on the site.
⚡ Quick Specs
Size4" · 124 x 64.2 x 9.9 mm (4.88 x 2.53 x 0.39 in)
ChipsetSpreadtrum 7731
RAM512MB
Storage4GB
Main Camera15 MP · LED flash
⚖️ Compare With
✓︎ Pros
✓512GB of RAM — plenty for heavy multitasking and keeping many apps open
✓Lightweight at 137g — easy to carry
✓3.5mm headphone jack for wired audio without adapters
⊗ Cons
✗Smaller 1,500 mAh battery — may need midday charging
✗Basic Spreadtrum 7731 for simple tasks only
✗Lower-resolution 233 PPI screen — visible pixels on close inspection
⚠️ Not ideal for
Heavy usage daysGamingMultitaskingMedia consumption
ℹ️ Overview
Announced
2015, May. Released 2015, May
⚙️ Performance
Chipset
Spreadtrum 7731
Entry-level — basic tasks only
RAM
512MB
Heavy multitasking without slowdowns
💻 Display
Sharpness
233 ppi
Pixels visible at normal viewing distance
Panel
TFT, 256K colors
Standard LCD display
📷 Camera
Main Camera
15 MP
Capable for everyday photos
🔋 Battery
Capacity
1,500 mAh
May need midday charging with heavy use
📱 Design & Build
Weight
137g
Very light — comfortable for long use
Dimensions
124 x 64.2 x 9.9 mm (4.88 x 2.53 x 0.39 in)
📶 Network
2G Bands
GSM 900 / 1800 - SIM 1 & SIM 2
❓ Frequently Asked Questions
No, the Celkon Q405 does not support 5G — it supports GSM / HSPA.
No, the Celkon Q405 does not have NFC.
Yes, the Celkon Q405 supports microSDHC expandable storage.
Yes, the Celkon Q405 supports dual SIM (Dual SIM).
Yes, the Celkon Q405 has a 3.5mm headphone jack.
Speaker setup: Yes.
The Celkon Q405 ships with Android 4.4 (KitKat).
The Celkon Q405 uses microUSB.
The Celkon Q405 supports Wi-Fi 802.11 b/g/n.
The Celkon Q405 has 2.0.
