Q: how i can use my i cloud

Hi jousef,

Thanks for visiting Apple Support Communities.

See this page for help with setting up iCloud on your iPhone:

iCloud: Set up iCloud on your devices

http://support.apple.com/kb/PH2609

If you are encountering issues when signing into iCloud, the troubleshooting tips in this artice can help:

iCloud: Account troubleshooting

http://support.apple.com/kb/TS3988

All the best,

Jeremy