When you take pictures with your iPhone they usually get sorted in your album via date created. This is usually saved on the image as metadata that cannot be changed easily thus being a more reliable means to arrange your photos. This, however, can be quite messed up if your phone decides to arrange your photos with other parameters for example location the photographs were taken which can be a pain in the back to scroll and locate pictures you may want.
This issue has become common with the upgrade to the software version of iOS 11 iPhone users especially iPhone 6 and iPhone 7. This issue, however, can be solved by the following:
Reset your iPhone
To reset your iPhone press the power button with the home button until the apple logo appears if you are using iPhone 4s, iPhone 5, 5c and iPhone 6. For iPhone 6s and later version, however, you will be required to use the power button with the volume down button. iPhone X users will use the volume down key then the power button for ten seconds then press the volume up button before releasing the three.
You can also reset the phone by going to settings, General, reset,
Erase all content and settings, enter your passcode then select erase phone. After erasing your iPhone set up the iPhone by following the on-screen prompts.
Make sure to back up your iPhone before the process so that you do not lose any data while resetting your iPhone.
For iPhones running on iOS 9 and iOS 10, you can consider updating your software to see if Apple will fix the issue with the updates.
Duplicating the camera roll pictures
When you duplicate your photos, they will be arranged in the order which you duplicate them, Other photos that you had not saved in the same folder, for example, the camera roll will be saved too though they will be saved in the right order. Replicating photos, however, can be very time consuming and tiresome if you have a lot of pictures.