Dear valued customer, we appreciate the chance to assist you and we apologize for the inconvenience that you are facing kindly try the following please : 1. make sure that your software is up to date 2. make sure to download the apps either from google play store or galaxy store 3. go to settings > device care > scan memory "clean now" to close apps that are working on the background of your device 4. go to settings > general management > reset > reset settings (it will only reset the settings for your phone without deleting any data ) 5. if these steps did not work then kindly try to perform a factory reset but that will delete all of your data so kindly take a back up first
Otherwise, kindly refer to the nearest authorized service center in your country
