The prominent Apple iPhone features the Safari web browser by default so, if you have Internet connectivity, you don't need to download and install as well as install the Facebook app to be able to publish images to Facebook from your device. If you have the pictures on your iPhone, all you need to do is check out Facebook as well as publish them as you would typically.
Posting Photos On Facebook
1. Release the Safari browser and browse to Facebook.com.
2. Type your e-mail and password in the Email as well as Password text boxes on top and click "Log In" to visit to your Facebook account.
3. Touch the "Photos" web link in the Applications section at the left to go to the Photos page.
4. Tap "Upload Photos" on top of the Photos web page to start publishing your image.
5. Tap "Select Photos to Upload" and use the resulting file web browser to pick and open your photo. The picture is immediately uploaded.
6. Tap package under the picture sneak peek and describe your image, if you desire. This is not required.
7. Tap "Blog Post Photos" in the bottom right edge of the web page to publish your picture on your Facebook gallery.