My phone show memory full,but i hae nothing on my SD card how do i move information from my phone memory to my SD card.

Move the contents of the internal memory to the SD card.

Is this information not contained in the camera manual ?

You don't specify what phone model you have but I suspect the phones internal memory, not the SD cards is full. It doesn't matter how much SD memory you have if the phones internal memory is full. Either delete unwanted apps from the mobile, or old SMS messages, these take up a lot of the mobiles internal memory space. You may also be able to transfer some of your apps to SD memory to free some phone memory.

Downloads and such are not going to SD card. They can be moved to SD card later. You should move some stuff to SD card to free up memory.

On android u have o go in to your settings apps and place each one on the sd card it does not save automatically through settings here is a link to help u out: https://www.howtogeek.com/114667/how-to-install-android-apps-to-the-sd-card-by-default-move-almost-any-app-to-the-sd-card/

Heres how to move your contacts:
From a Home screen, tap Contacts (located at the bottom). If unavailable, navigate: Apps > Contacts.
From the Contacts tab, tap the Menu icon (located in the upper-right).
Tap Settings.
Tap Contacts.
Tap Import/Export contacts.
Tap Export to SD card.
Tap OK.

sometimes when the sd card is completely full, it shows nothing there... re-format sd card or use the phone to move apps to internal storage
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move whatsapp & other apps to memory card.....

Go to your files, such as pictures, music and videos and then look for "move" and choose move to memory card.

How do i move things from the phones memory to an SD card

its a Memory cluster Problem. nothing else.