How to Put a SIM Card in the Samsung Galaxy S3

Last Updated: March 29, 2019

If your Samsung Galaxy S3 has wireless service through a GSM provider such as T-Mobile or AT&T, your phone will require a SIM card to be able to run on the network. The SIM card can be inserted into your phone through a slot located underneath the battery.

Steps

1
Verify that your phone is powered off.^{[1]
X
Research source}
2
Insert your fingernail into the slot located at the very top of your Samsung Galaxy S3.

Advertisement
3
Use your fingernail to gently pry and lift the back cover up and away from the device.
4
Place your fingernail into the slot at the top left corner of the battery, and remove the battery from the device.
5
Insert the SIM card into the SIM card socket with the gold contacts facing down until the card locks into place. The angled side must be facing down into the device.
6
Insert the battery into your device, making sure the gold connectors are aligned with one another.
7
Place the battery cover onto the back of your device, and gently press down until it clicks fully into place. Your Samsung Galaxy S3 will now be ready for use with your GSM wireless provider.^{[2]
X
Research source}
8
Finished.

Community Q&A

Question

Where is the slot for the sim card on the Galaxy S3?

Community Answer

Open the back cover and remove the battery. There should be a spot for you to insert the chip.
Question

How do I put a SIM card into the back of a Samsung S3?

Community Answer

You need to open up the back cover and remove the battery. There should be a spot for you to insert the chip. Re-insert the battery and put the cover back on.
Question

What should I do if I still have an "insert SIM card" notice after I have already inserted the SIM card?

Community Answer

If your Samsung Galaxy S3 does not recognize the SIM card when powered on, remove and reinsert the SIM card. Your phone will not recognize the SIM card if it has been inserted incorrectly or is not locked into place.