The memory is used up - What to do?

If the memory of a smartphone is almost full, its operating speed decreases, and it is no longer possible to install new apps.

Since you are lucky enough to have a smartphone that can use a memory card, insert such a card into the device. card, insert such a card into the device. Then move large files (especially photos and videos) from the internal memory to the memory card. to the memory card.

The second possible solution:
Move large files (as I said: especially photos and videos) from the smartphone's memory to your PC. Either via the diversions of an online storage service such as Google Drive, iCloud or Dropbox. Or by connecting your smartphone directly to your PC via a USB cable.