How to change the pixels of a photo i want to print off my iphone?

I have tried putting them on a disk and taking them to Walgreen's, but they came out all blurry. Is there a way i can adjust the photograph to have it print out in good quality?

Basic answer… No. It is a phone, no matter how great a camera you think it is. It captures very poor quality photos as concerns size and resolution, which you have seen first hand when you try to print them. The quality of a photo needed for electronic viewing is far, far less than what is needed for a good print.

The only thing that can be done, (and even then with rather poor results), is to download the photos into a computer photo enlarging program. There are several made, but they can only do so much. A good program could probably get the photo upsized to where you *might* be able to get a half way decent 4 x 6 inch print,

Bottom line, if you want good prints, you need a REAL camera, not a cell phone.

Steve is right. I do not know if the resolution can be changed to different settings on your phone. If it can, be sure you are shooting at the highest possible resolution.

I have an 8MP celphone, a Droid and not iphone, but I can get very decent 4x6 prints if the lighting is good. In dim light, there's too much noise to make an acceptable print. I have never tried to push for an 8x10, if I want an enlargement I use a real camera. Yesterday I had a customer with a very nice iphone shot of the famous barn in the Tetons. It was spectacular on the screen, good as a 4x6, and managed to hold together as an 8x10 if you're not picky and don't mind a little loss of sharpness and some noise. It was by far the best shot I have ever seen out of a cel phone. I have even made a few prints from my old 1.3 MP phone, which were OK for casual snaps, but again, they were well lit and I can hold a camera pretty steady. If yours are in dark settings, or you do not have a steady hand you won't get good results no matter how many MPs your sensor has or what kind of post processing you try.