I Need a video Converter for ZTC S501
 

I have tried all abt of the converter shown in this forum. but, every file is invalid shown in my mobile. plz help me.
My set's configuration is

http://www.made-in-china.com/image/2...hone-S501-.jpg

Product Description
Key Features
- 3.0" touch screen; 262k color TFT LCD; 240x320 pixels
- Dual SIM cards, dual standby (work together)
- Connectivity: Bluetooth wireless technology
- Dual Cameras: 2.0 megapixel with x5 digital zoom
- Video record
- FM radio in hands-free mode
- Dual speakers with 3D stereo surroundings
- Built-in MP3 Player: mp3, wav, amr, acc
- Media Player: MPEG4, H.263, 3GP
- Brower type: WAP 2.0
- External memory: microSD (max up to 2GB)
- 64 Polyphonic ringtones; MP3 ringtones
- MMS (Multimedia Messaging)
- SMS long (text messaging)
- Voice recorder

Basic Specification
- Network: GSM 900/1800MHz, support GPRS
- Dimension: 120x58x19mm
- Weight: 121g with battery
- Battery: 3600mAH
- Standby time: 400 hours (depends on network)
- Talk time: 400 minutes (depends on network)
- USB mass storage
- USB support
- Available color: black
- Available language: English/Russian/Arabic/Vietnamese/Thai/Turkish/French/Simplified Chinese

Organizer
- Hand writing recognition
- Pre-loaded games
- Alarm clock
- Calculator
- Calendar
- Stopwatch
- E-book reader
- World clock
- Flight mode
- Tasks
- Currency converter
- Unit converter

Accessories
- 2 x Batteries
- 1 x Charger
- 1 x Stereo Headset
- 1 x 120M microSD Card
- 1 x USB Cable

Now tell me that what should I have to do?

I dont want to play 3gp format. any other format like mp4, avi can be excepted, but the video must be 320*240 n audio must be 128 kbps.

Please, help me.