Here's a how-to in putting in a SIM to a Samsung Galaxy S4 Mini...
Both the Samsung Galaxy S5 and Galaxy S3 have micro-SIM cards. So, it should work.
no
no
There is a dual SIM variant for the Galaxy S5. However, it's only available for the China market.
NO
Yes, you can put your GoPhone SIM card in a Samsung Galaxy S5 Active, provided that the phone is unlocked or compatible with the network. Ensure that the SIM card is the correct size for the S5 Active; it typically uses a micro SIM. Once inserted, you may need to configure the APN settings to access mobile data. Always check if your plan supports the device for optimal performance.
The Samsung Galaxy S4 Mini uses a micro SIM card. When replacing or inserting a SIM card, ensure it is properly formatted to avoid compatibility issues. Always power off the device before changing the SIM to prevent potential damage.
Galaxy S 4G phone - Earbuds -Manuel - new SIM Card
You can purchase sim network pin for Samsung Galaxy S3 from any vendors online like Unlock-Zone.com
you have to put a sim card in every phone, if u e=want to save stuff
u put it uder the sim card ....