Transfer videos from PC to iPhone 4s?

How I can transfer songs videos from my PC to iPhone and which format… I have downloaded songs in.flv format dose it work on the iPhone?

Aiseesoft iPhone Transfer can help you transfer all kinds of video from pc to your iphone 4s, not only videos but also pictures, songs, and so on
try this

Any songs you have is in.flv format so no it will not play in iPhone 4s and you have to convert every songs to.mp3 format. There's a bunch of "file conversion" websites you can look through in google and any videos you have must be in.mp4 format.

Video formats supported: H.264 video up to 1080p, 30 frames per second, High Profile level 4.1 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in.m4v, .mp4, and.mov file formats; MPEG-4 video up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps per channel, 48kHz, stereo audio in.m4v, .mp4, and.mov file formats; Motion JPEG (M-JPEG) up to 35 Mbps, 1280 by 720 pixels, 30 frames per second, audio in ulaw, PCM stereo audio in.avi file format ans transfer video on iphone using itune software.