When did Samsung 9050 come out?

By the way, I will give you detailed parameters for your reference, and don't forget to give me a satisfactory answer.

Date of listing: 20 12?

Mobile phone type: 3G mobile phone? Machine, smart phone design: right? Main screen size: 4.2 inches? Touch screen: capacitive screen, multi-touch? Home screen material: TFT? Home screen resolution: 800x480 pixels? Home screen color: 6.5438+0.6 million colors? Network type: single card dual mode? Network mode: GSM, TD-SCDMA? Data services: GPRS, EDGE, TD-SCDMA? Supported frequency band: 2g: GSM? 900/ 1800/ 1900

3G:TD-SCDMA？ 1880/2 100MHz？ Keyboard Type: Virtual Keyboard? Body color: black, gray, white? Cell phone size: 124.3x66.7x9.7mm? Mobile phone weight: 126.5g? Hardware parameters Operating system: Android? OS？ 2.3? User interface: touch? Wiz？ 4.0? Number of cores: Dual cores? CPU frequency: 1024MHz? GPU model: imagination? PowerVR？ SGX540？ RAM capacity: 1GB? ROM capacity: 8GB? Memory card: MicroSD card, supporting App2SD function? Expansion capacity: 32GB? SIM card type: SIM card? Battery type: detachable battery? Battery capacity: 1650mAh? Basic function input methods: handwriting, strokes and pinyin input methods? Input method: handwriting? Call record: received+dialed+missed? Address book: business card storage? Text messages? MMS recording function? Flight mode? Situational mode? Theme mode? Alarm clock function? Calculator? Calendar function?

Product function GPS navigation: built-in GPS, support A-GPS? Sensor type: gravity sensor, light sensor, distance sensor? Electronic compass?

Camera with camera function: built-in camera type: dual camera (front and rear)? Camera pixels: front: 300,000 pixels, rear: 5 million pixels? Error correction? Sensor type: CMOS? Flash: LED fill light? Digital Zoom: Support? Auto focus: support? Image size: maximum support for 2592× 1944 pixel photo shooting: support for video shooting? Entertainment function video playback: supports MPEG-4/H.263/H.264/RMVB and other formats? Audio playback: supports MP3/AAC/AAC+/EAAC+/WMR/WAV/MID/OGG and other formats? Graphic format: supports JPEG and other formats? Games: built-in games, support for downloading? Application features: mobile video, game room, catalog expert, music walkman? Service features: China Mobile unified portal, mobile MM store? Radio? Electronic book?

Data function WLAN function: WIFI, IEEE? 802. 1 1? n/b/g？ Browser: Support? Data interface: micro? USB？ v2.0？ Headphone jack: 3.5mm? Bluetooth transmission?

Business function office tools: TXT, Quick? Office, adobe? PDF？ Mail? World time?

Packing list of mobile phone accessories: host? x 1

Lithium battery? x 1

Data cable? x 1

Headphones? x 1

Charger? x 1

Explain? x 1？ Warranty information warranty policy: nationwide warranty, enjoy three guarantees service? Warranty time: 1 year? Warranty remarks: mainframe 1 year, battery 6 months, charger 1 year, wired headset 3 months? Customer service telephone number: 400-8 10-5858? Remarks: Monday to Friday: 9:00- 17:00 (online service)? Details: From the date of purchase (subject to the purchase invoice), in case of quality problems or failures, with the quality inspection certificate of the manufacturer's maintenance center or special maintenance point, you can enjoy three guarantees of return within 7 days, replacement within 15 days, and free warranty after 15 days! Note: Users who purchase mobile phone accessories separately should properly keep the outer packaging of accessories and the original invoice. If they can't provide the above certificates, they will not be able to make normal warranty or replace accessories. Go to the official website >>