Replace the SIM card of Samsung Galaxy S3

Edited by Timbuktu, Charmed, Eng, Ephraim and 18 others

If your mobile is not locked to any network and you want to change your network, all you need to do is buy a SIM card from your new network provider, and replace it with the SIM card in your phone.

Below you will find very simple instructions on how to remove, re-insert and replace your SIM card.

Contents
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Instructions

  1. 1
    At the back of your mobile you will see a small notch.
    Use this to pull off the back cover of your mobile.
    S3NOTCH.png
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  2. 2
    Slide your battery to the gold battery terminal and then pull up your battery.
    S3batt.png
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  3. 3
    You should now be able to remove the battery from the mobile.
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  4. 4
    Slide the old SIM card out of the SIM slot carefully.
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  5. 5
    Then insert the new SIM card face down into the SIM card slot.
    S3sim.png
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  6. 6
    Now put your battery back by lining up the gold contacts of the battery to the gold contacts of your mobile and then push back the battery back into the mobile.
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  7. 7
    Now slide the back cover into place.
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Basic Troubleshooting & Tips

When the SIM Card Does Not Fit to the SIM Slot

If your SIM card does not fit into the SIM slot, check these things before trying anything else:

  1. 1
    Check for impurities in the SIM slot.
    Any impurities on the SIM slot like dirt or a lump of dust will clog the slot. The SIM slot is designed for the SIM card to fit perfectly. The allowance is minimal, so if there is dirt on your SIM card slot, it may prevent the SIM from being fully inserted.
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  2. 2
    Check if the SIM card or the SIM slot has any dents or damage.
    Any dents or damage on the SIM card or the SIM slot will prevent the SIM card to fit properly. Make sure that your SIM card and SIM slot are in perfect physical condition.
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  3. 3
    Check if you are using a supported SIM card.
    Make sure that you are using a micro-SIM card. Galaxy Note2 uses a micro-SIM card, the type that is smaller than the regular-sized SIM cards. Regular SIM Cards will not fit into the slot, as they are larger than the micro-sized ones, thus the slots intended for them are larger as well.
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  4. 4
    Check that you've inserted the SIM card in the right position.
    Your SIM card slot is designed to accept micro-SIM cards that are inserted in the correct position. See to it that you insert your SIM card based on the illustrations in this article, with the SIM's copper terminals facing down.
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When the SIM Card Fits But the Phone Does Not Recognize it

  1. 1
    Check for any dirt on the SIM card and the SIM card slot's terminals.
    Any dirt or dust on either of the copper terminals will cause a connectivity issue on the SIM card and the SIM card reader on the phone. Some data may not be transmitted due to impurities on the terminals.
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  2. 2
    Make sure your SIM card is not damaged.
    Your device will not recognize a damaged SIM card. To check if the SIM card s working well, insert it into another phone that supports the SIM card's network.
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  3. 3
    Remove and reinsert the SIM card.
    The SIM card may not have been fully or properly inserted. Remove the SIM card and reinsert it, this time making sure that the card has been properly inserted into the slot.
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  4. 4
    Check if your phone is allowed to use your SIM's network.
    If your phone is locked, make sure that it is locked to the same network as your SIM card. When locked to a specific carrier, your Note2 will only accept SIM cards from that network. SIM cards on different networks will not be recognized. If this is your case, find a cell phone unlocking service from a reputable service center.
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Tips

On the Samsung Galaxy S3 for Sprint, they don't have a SIM card tray in their devices, while a Verizon device does come with a tray to insert a SIM card. There hasn't been a reason given for this, but it's an issue people are having with their device.

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Questions and Answers

I have a Sprint Galaxy S3 and need help.

I want to change my service from one phone to another - from HTC to Galaxy S3 - Sprint version

The simplest way to change your service from one device to another is to visit www.sprint.com and log into your account. From there you simply need to click on the 'manage device' tab on your log in screen where you can pick the option to swap a phone. From here enter the information from the new device that you want to enter, so you can swap your service from one phone to another.

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Can you change service provider sprint Galaxy S3?

Can you change service provider sprint Galaxy S3 without a SIM card slot

In most cases, if you're using this phone, you'll need to go to the office of your service provider and then have them do it for you. Most service providers will try to convince you to move to their network. Often they will even pay the switch fees if you decide to move to their network.

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Therefore, your SIM card issues will not be too problematic. Just discuss the issues you have with your current service provider, what you need to change providers, and they will present you with alternatives. They can even offer you packages, or special offers to change your unit, and perhaps they'll discount the handset.

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I have a Galaxy S2 from Sprint and there is no SIM card tray. Is there one hidden somewhere so I can unlock this phone?

I want to unlock this Sprint phone to use it under my family mobile. It's an old phone of mine and I heard there is a SIM card tray hidden somewhere on the device

I have owned a Samsung Galaxy S2 from Sprint, and there is no SIM tray on this device you will be able to use on this current device. The Sprint version of this device does not come with a SIM tray you will be able to use.

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The video link below will show you there is no SIM tray on this version of the Samsung Galaxy S2 with Sprint:

https://www.youtube.com/watch?v=xGSVnHu7Y5Q

How do I remove the old SIM card so I can put in the new one?

There is nothing to grab onto to remove the old SIM card, how do I remove it?

Refer to this article's section that demonstrates how to remove the old SIM card. You can either push or pull the SIM card out; in your case, pushing the top of the card out of the slot may work better for you.

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===I will switch while overseas to a new phone provider. Do I need to do a backup (data, system.etc)? If so, can you recommend a utility?===

If you're going to use the same device, you do not need to do a backup. Switching carriers will not remove any of your data. However, if you're switching to another device for your new carrier, making a backup will allow you to transfer your data from you old phone, to your new phone.

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Can I use my Sprint Samsung Galaxy S3 with a different provider?

Unfortunately, Sprint's phones only work on Sprint. This is because of their network architecture, and the fact that they don't use removable SIM cards. If you want to switch carriers, you'll need to buy a new phone from your new carrier.

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I do not have a SIM card in my Galaxy S3 from Sprint. I want to unlock and use it with another carrier. Can I do that?

Your Sprint Galaxy S3 doesn't have a SIM card slot because, at the time, Sprint didn't use removable SIM cards. You will be able to unlock the device, but you won't be able to bring it to another network since you can't put their SIM card into your device.

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The SIM card won't fit into the reader. How can I fix this?

Phone got water damaged and I took out the battery and SIM to let them dry. I had trouble removing the SIM and I think I was a bit forceful with it. My phone is dry now, but I can't get the SIM back in. It refuses to click into place and keeps getting pushed out by the spring.

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VisiHow QnA. This section is not written yet. Want to join in? Click EDIT to write this answer.

If I change my SIM card will it delete anything I have?

My phone is from Boost Mobile, but it doesn't recognize my SIM, so we need to get a new SIM card for it to be verified and turned on. If we get a new SIM card and use it on my S3 will it delete anything? If it does what will it delete?

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The SIM card does not store any personal data so changing it will not delete personal data. On Boost, a reseller of Sprint, it contains the technology to access LTE and would be built into your device. The only issue is that changing the SIM in the phone may not change the SIM card number programmed into the phone, which may cause activation issues. There is also no personal data stored on GSM, but the SIM card stores the phone number, and it's always removable.

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My contract with Sprint ends on 8 October, and I would like to change to a different network.

Can this be done and are there networks/companies that I should avoid?

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Are Samsung Galaxy S3 motherboards interchangeable?

I have 2 Samsung Galaxy S3 SPH-l710 from sprint with bad digitizers. Are the motherboards interchangeable with other Samsung Galaxy S3 phones from different carriers, especially ones with SIM cards?

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Hi, someone sold me a Galaxy 3 and I noticed on the side, there is a place to insert a SIM card. When I checked it out, I saw there was already a white card in the slot that is very difficult to remove.

My question is: Does that SIM card come with the phone or did the seller leave it in there?

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See more questions like this: MY Galaxy EXPRESS 3, put in SIM get message; NO SIM CARD?

I have had an S3 since July 2013. I have always had difficulty with battery life, even though I only use my phone for calls, texts, checking email and occasionally I Google something. In the beginning, I could get 8-9 hrs of battery life as long as I turned off mobile data and used all the power conservation measures the BB techs and others told me about. I've gotten by so far, but in the last 4-5 days, my battery only lasts only about 6 hrs, even when I do absolutely nothing on my phone after charging it. BB says they can replace it but I want to make sure I know how to transfer all my pictures and contacts before I have them get me a new one.

I am told my phone (through Sprint) does not have an SD card so what should I do?

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I am asking if the Samsung S3 that does not have a SIM port can be modified to enable it to have a SIM port?

I was sent a Samsung S3 cell phone, but the person sending it to me said it doesn't have a SIM port. I am asking if that can be changed. Meaning changing the part of the cell by adding a SIM port

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I don't know how to find the SIM card slot.

I have a Galaxy S3 and I cannot find the SIM card anywhere.

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Micro SIM card and regular size SIM card fitting issues.

I have a micro SIM chip from my iPhone, and want to put it into the Samsung Galaxy S2. First I put it in and the carrier was not recognized. Next I used a universal SIM card adapter piece. It got stuck and had to be pulled out rather forcibly. I finally got it out and then tried to fit the micro SIM in by itself, but it would not slide in. I tried a deactivate regular size SIM chip and it went in fine but I am worried that when I change to an activated SIM chip card, it will not be recognized. Do you think that will happen?

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Article Info

Categories : Samsung Galaxy

Recent edits by: Amy Lloyd, Sean, Salbando

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