LG Optimus LTE SU640
The LG Optimus LTE SU640 is a budget-focused device, powered by the Qualcomm MSM8660 Snapdragon S3, built for basic everyday tasks (2011).
2011 · Lower-mid-range · Android 2.3.5 (Gingerbread)ⓘ Grades compare this device against others in its own market segment (Budget), not against every device on the site.
⚡ Quick Specs
Size4.5" · 132.9 x 67.9 x 10.4 mm (5.23 x 2.67 x 0.41 in)
ChipsetQualcomm MSM8660 Snapdragon S3
RAM1GB
Storage4GB
Main Camera8 MP · LED flash
⚖️ Compare With
✓︎ Pros
✓4.5" IPS LCD display with accurate colours and wide viewing angles
✓Lightweight at 135g — easy to carry
✓3.5mm headphone jack for wired audio without adapters
⊗ Cons
✗Smaller 1,830 mAh battery — may need midday charging
✗Basic Qualcomm MSM8660 Snapdragon S3 for simple tasks only
✗Only 1GB RAM — apps may reload frequently
✗8 MP main camera — basic quality, limited for photography enthusiasts
⚠️ Not ideal for
Heavy usage daysGamingMultitaskingMultitasking
ℹ️ Overview
Announced
2011, October. Released 2012, August
⚙️ Performance
Chipset
Qualcomm MSM8660 Snapdragon S3
Entry-level — basic tasks only
CPU
Dual-core 1.5 GHz Scorpion
OS
Android 2.3.5 (Gingerbread), upgradable to 4.0 (Ice Cream Sandwich)
RAM
1GB
Apps may reload frequently
💻 Display
Sharpness
326 ppi
Adequate sharpness for daily use
Panel
HD-IPS LCD
IPS: accurate colours, good brightness
📷 Camera
Main Camera
8 MP
Basic quality — limited flexibility
🔋 Battery
Capacity
1,830 mAh
May need midday charging with heavy use
Type
Removable Li-Ion 1830 mAh battery
📱 Design & Build
Weight
135g
Very light — comfortable for long use
Dimensions
132.9 x 67.9 x 10.4 mm (5.23 x 2.67 x 0.41 in)
Sensors
Accelerometer, gyro, proximity, compass
📶 Network
2G Bands
GSM 850 / 900 / 1800 / 1900
📡 Connectivity
WiFi
Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot
USB
microUSB 2.0 (MHL TV-out)
❓ Frequently Asked Questions
No, the LG Optimus LTE SU640 does not support 5G — it supports GSM / HSPA / LTE.
Yes, the LG Optimus LTE SU640 supports microSDHC expandable storage.
The LG Optimus LTE SU640 SIM configuration: Mini-SIM.
Yes, the LG Optimus LTE SU640 has a 3.5mm headphone jack.
Speaker setup: Yes.
The LG Optimus LTE SU640 ships with Android 2.3.5 (Gingerbread), upgradable to 4.0 (Ice Cream Sandwich).
The LG Optimus LTE SU640 uses microUSB 2.0 (MHL TV-out).
The LG Optimus LTE SU640 supports Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot.
The LG Optimus LTE SU640 has 3.0, A2DP.
