SIM card can not read by your phone?
Did you format it by accident or something else that make you loss the data on it?
If so, try recovery tool to restore your data first.
If you want to save money, try 4Card Recovery, a free recovery tool.
The detailed steps here:
First, download 4Card Recovery on the internet and install it on your computer.
Next, run it and select all to recover so that you will not miss anything.
Then, click the ' next' button to scan it, and you are supposed to wait for about ten minutes here. So to be relax, and do not get into panic if you find it is keeping scanning.
Finally, store your recovered files on other part.