How to Change Photo Resolution on iPhone? (via Default Settings)

Lynn Hu Lynn Hu
Apr 06, 2022 (Updated: Feb 03, 2023)Filed to: Photo Editing

When you take photos by iPhone with low quality, the best way is to change the photo resolution on iPhone through settings. However, fixing low-resolution photos on iPhone is crucial, especially if you still have a late version of the iPhone device. In case you can’t adjust the photo settings on your iPhone, read this article to learn more about 3 efficient ways to change photo resolution on iPhone. Let’s dive in.

How to Change Photo Resolution on iPhone through Settings

The great thing about iPhone is the high-resolution photo you can capture from its camera. But as this is not always the default way, you can learn how to change the photo resolution on iPhone.

Step 1.On your iPhone, go to the "Settings" menu and locate the iCloud settings. For iPhone 10.2 and so, tap your name at the top of the settings, then tap "iCloud".

Step 2.Tap "Photos", then turn on "iCloud Photos". Doing this will evade the loss of image files while fixing photo resolution on the iPhone.

iPhone Settings iCloud Photos

Step 3.Go back to the "Settings" menu, tap "Camera". After that, tap "Formats" to change the output image format. Tap "Most Compatible" to change photo resolution on iPhone. By choosing this, you can expect that the quality will get better as the photos will be saved in a JPEG format.

iPhone Settings Formats High Efficiency

When you choose the High-Efficiency option, the resolution may drop for both photos and videos as it prioritizes saving storage space. Some reviews also said that High-Efficiency increases video resolution up to 4K, depending on the iPhone version.

The Ultimate Way to Increase Photo Resolution for iPhone

Fixing low-resolution photos on iPhone may not make too many changes for high-quality images. But using AnyRec AI Image Upscaler can make high-quality photos without any trouble. Just with its simplified interface, this online tool will work its professional way to change photo resolution on your iPhone. It will not ask you for any subscription or register, just upload the photo, and you are good to go!

◆ Change photo resolution for iPhone without damaging the pixels.

◆ Increase iPhone images quality with the Magnification function up to 800%..

◆ Automatically detect and fix blurred parts, image noise, and retouch face.

◆ Provide a side-by-side preview to compare the original image to the upscaled one.

How to fix the low resolution on iPhone photos by using AnyRec AI Image Upscaler:

Step 1.Go to your browser and search for the tool. You can also use AnyRec AI Image Upscaler to go directly to the website. On the main screen, click the "Upload Photo" button or drag and drop the image file you want to fix low resolution from iPhone.

AnyRec Upload Photos

Step 2.After successfully uploading the image, choose the upscale percentage you want to apply to the photo from the Magnification button bar. Move your cursor around the picture to see the differences between the original to the edited one.

AnyRec Magnification Option

Step 3.Once you are good with everything, click the "Save" button at the bottom of the window. The online tool will automatically download the enlarged photo as another copy from the original image. Repeat the steps if you want to upscale another image.

AnyRec Save New Image

How to Change Photo Resolution on iPhone to Smaller One

Is it possible to change the photo resolution from the Photos app? Definitely, yes! There are various ways to use the Photos app to optimize and resize your favorite images, and you can learn the detailed steps to crop photos on iPhone in the following:

Step 1.Launch the Photos app on your device. Choose the desired picture you want to edit. Tap "Edit" on the top right part of your screen to begin changing the photo resolution on your iPhone.

Step 2.Tap on "Crop" with two right angles intersecting icon once a new menu appears. Then tap on "Dimension Editing" with the gray and black square icon. Choose from the dimension option you want for your photo. You can also change the length and height ratios from the preset option.

Step 3.After editing, tap "Done" at the bottom-left part of the screen to save all the changes. This way, you have a cropped image without losing the photo quality.

Photos App Change Photo Resolution on iPhone

How to Change Photo Resolution on iPhone with A App

Image Size is a popular app that allows you to quickly and easily change the photo resolution you like. You can also resize images by adjusting millimeters, centimeters, and inches. Moreover, this application also provides the function options of saving, sending via email, printing, or sharing the final image. The following is how to use it to increase the image resolution.

Step 1.Download the Image Size app on your iPhone and launch it immediately. Then you should tap the "Gallery" button to choose the photo you want to change the resolution. Note that you need to grant the app access to your photos by tapping the "Allow Access to All Photos" button.

Choose the picture from your Gallery

Step 2.Tap the "Choose" button in the bottom right corner when you have selected the picture. Then you should tap the "Pixel" button and enter the resolution of the image you want in the "Width" and "Height" text boxes. Note that the maximum width and height it supports is about 8000.

Change the Resolution of the Picture

Step 3.After adjusting the resolution, save your picture by tapping the "Download" button in the bottom left corner to get high-resolutions photos. You can also tap the "Share" button to send the photo to your friends directly.

Click the Save Button to Download the Picture

FAQs about Changing Photo Resolution on iPhone


There is no better feeling than taking pictures with high image quality. Now that you have learned how to fix photos with low resolution on iPhone, you will not worry about image quality while taking many pictures. However, if your iPhone is a late version, you should use AnyRec AI Image Upscaler to change the photo’s resolution on iPhone. The online tool guarantees to upscale all your pictures without paying a subscription. Try it now!

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