See the article that I wrote on the reset Samsung Galaxy J3 Star. When you reset the Samsung Galaxy J3 (2018) to factory settings, all original and factory settings will be applied. However, unlike a ‘soft reset,’ a ‘hard reset’ will delete all your personal data, files, and apps on the device. Therefore, always try a soft reset first before going for a factory reset.
Reset Samsung Galaxy J3 Star
Note: If you reset the Samsung Galaxy J3 (2018) to factory settings, any software updates will not be undone.
Likewise see the article that I wrote on the Hard Reset Samsung Galaxy J3. It’s a good idea to make a backup before you reset the Samsung Galaxy J3 (2018) to factory settings. Likewise in this way, you can prevent losing personal data in the phone’s memory, like images, apps, and contacts. See also the Reset the Samsung Galaxy S7.
Note: To prevent data stored on your SD card from being deleted, remove the SD card from the Samsung Galaxy J3 (2018).
Once the Samsung Galaxy J3 (2018) has rebooted, you might need to set up certain things again, like the date and time, Wi-Fi, your email account, and your internet or MMS data settings. Lastly there is also the Reset the Samsung Galaxy J7 Star which I also wrote.