which phone has sd card slot

You can increase the onboard storage on all these Android smartphones. ... Best overall phone with SD card slot.

Learn what to do if you are having issues with the SD card on your Galaxy phone.

Now, in phones that still have an SD card slot, you can still redirect your photo, document storage and backups to it. There is no reason for the SD card merely sitting in the slot waiting to be fed to slow down anything with the phone.