Gold Member Since 2016
Audited Supplier
ShenZhen E-Tech Digital Technology Co., Ltd.

Phone, Android Phone, Quadcore Android Phone manufacturer / supplier in China, offering Cheapest 4" 512MB RAM 4GB ROM Quadcore Android Phone, 4G 10.1 Inch Taxi Interactive Touch Screen Advertising Display System, 10.1 Inch Vesa Hole Car Android Media Player for Home Automobile and so on.

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Cheapest 4" 512MB RAM 4GB ROM Quadcore Android Phone

FOB Price: US $28-29 / Piece
Min. Order: 5,000 Pieces
Min. Order FOB Price
5,000 Pieces US $28-29/ Piece
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Production Capacity: 100000PCS/Month
Transport Package: Color Box
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: ID-S4B
  • Style: Smart Mobile Phone, Business Mobile Phone, Camera Mobile Phone, Music Mobile Phone, Elderly Mobile Phone, Game Mobile Phone
  • CPU: Quad Core
  • SIM Card Slot: 2 SIM
  • Rear Camera Pixel: 1.01MP-2MP
  • ROM Capacity: 4GB
  • Battery Capacity: 1001mAh-1500mAh
  • Screen Narrow Border: 4-5mm
  • Display Color: 16000k Color
  • Storage Expansion: Supported
  • Warranty: 12 Months
  • Specification: 123.6x 63.8 x 9.3mm
  • HS Code: 8517121011
  • Network Standard: 3G, GSM
  • Screen Size: 3.6-4.0"
  • Operation System: Android
  • Front Camera Pixel: 0.3MP-2MP
  • RAM Capacity: 512MB
  • Main Screen Resolution: WVGA 480×800
  • Screen Material: TFT
  • Data interface: Micro USB
  • Design: Bar
  • CPU Frequency: 1.2GHz
  • Trademark: OEM
  • Origin: Shenzhen, Guangdong, China
Product Description
Cheapest 4" 512MB RAM 4GB ROM QuadCore Android Phone
DisplayScreen size4"TN Panel
Resolution800 x 480
Touchscreen2 Pint-touch screen ( G+F Bonding)
StorageSystem memory512MB(1GB optional,if need,add USD2.4)
Built-in storage4GB(8GB optional,if need,add USD0.6)
SystemSystem chip7731C
OSAndroid 5.1
Wi-Fi802.11 b/g/n
PositioningGPS (optional,if need,add USD0.6)
NetworkWCDMA + GSM  (Dual-Sim, Dual-Standby)
GSM 850/900/1800/1900, WCDMA 850/1900(or 900/2100), 
ConnectorData interfaceMicro-USB V2.0
Audio jack3.5mm
Storage expansionMicro-SD
OthersCamera Front: 0.3MPx, Back: 2MPx(2.0MP/5.0MP optional,if need,add USD1.6)
Proximity sensor 
Ambient Light Sensor
Size (mm)123.6x 63.8 x 9.3mm
 Detailed Image:

Why choose IDEA Int.?
1.IDEA International Goup (HK) Ltd (IDEA Int.)is a Professional Manufacturer specailizing in Electronic Products,with the strength of Tablet PC,Smartphones,etc.
2.IDEA Int. has nearly 10 years of OEM experience,partnering with World Famous Brand like Polaroid.
3.Shenzhen E-Tech Digital Technology Co; Ltd based on IDEA Int. is UL and ISO9001 certified,and all the products meet the requirements of CE/RoHS/FCC.
4.Perfect After-sales Service is provided 24 hours.All of our products are 12 months guaranteed.
Delivery Time
3-5 working days for Sample
15-20 working days for MOQ 1000 PCS(OEM files must be provided within 5 days)
Payment Terms
1) T/T,30% Deposit first, 70% balance before shipment
2) L/C can be accepted based on big order
OEM Service
1) Bottom case silkprinting or laser engraving;
2) Start-up logo or boot animation;
3) System model number;
4) Pre-installed language;
5) Pre-installed software;
6) S/N;
7) Customized packaging;
8) Customized user manual;
9) Warranty card;
10) Power adapter label etc.
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