How can i delete photos from iphone 4s after transferring from pc?

You use the same process you used to get them on your phone...the iTunes sync process. Under the Photos tab in iTunes, with your phone connected, remove the checks next to the albums/folders you do not want on your phone, hit the Apply/Sync button.

Level 9?!

You're welcome.

FYI: It's always been this way with synced photos.

acapetown is the one who really solved this for me: his suggestion to create an empty folder and sync to that was THE ONLY solution that actually worked for my iphone 4s. Everything else about uncheckign "sync" and unchecking events DID NOT WORK. I think there is more than one glitch in this system because I noticed a lot of other people struggling with the question. Now my phone is light as a feather again and I can actually benefit from backup to the Cloud. Thanks acapetown!

On a Mac with the phone plugged in... Open Image Capture, select all, delete, done

hi bro please tell me the easy way of delete photos that i import from my pc

Already answered.

Under the Photos tab for your iPhone sync preferences with iTunes on your PC, to remove all photos that were transferred to your iPhone deselect Sync Photos followed by a sync.