Unless you have those things saved to the cloud, you need to get into the system. If you did have things backed up, it's way easier, just go to where you have your stuff saved and recover it. Google Photos and Drive work with iPhone, and you can get your contacts if you had them saved on some account as well.
A factory reset is the restoration of an Android phone to the state it was when it left the factory. It is still possible to get back the data after a factory reset since with Samsung data recovery,since the original hard drive records are not overwritten with zeroes.
If the photos haven’ t been backed up to a cloud account (Google, Samung, etc.), there is no way to retrieve it from the internal storage of the phone because unlike Windows, Samsung usually do not have "trash" folders. You are having no recover option unless using third-party iPhone photo recovery software.
The Android black screen of death is an error screen demonstrated on your device when trying to switch it on. The operating system displays the symbol as a result of a critical error which can affect the system to break down. Accessing the devices becomes impossible.Only with broken android data extraction,you can access the internal storage and get them back.
Do you have Google photos sync with your gallery? Or do you have Samsung cloud on and sync? If not,you can access them from internal storage,the only method is to use some photo recovery program that have method to detect the internal storage. It is worth mentioning that with you have to make sure that the photo are not overwritten by new files before recovering.
If you haven’t backed your photos up before,the only option is to turn to Samsung Data Recovery for help.It is always practical under various circumstances. Then no matter how you lose your photos, this software could be a great choice to retrieve them.