Galaxy S7 Guides

Galaxy S7 SIM card guide

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This guide explains to you 1). the correct SIM card size (nano SIM) for Galaxy S7 and Galaxy S7; 2). how to use the 2 slots in Galaxy S7 SIM card tray; 3). the differences in Galaxy S7 SIM card slot between Galaxy S7 dual SIM model and single SIM model; 4). how to install SIM card for Galaxy S7 and Galaxy S7 edge, and 5). how to remove SIM card from Galaxy S7 and S7 edge.

Galaxy S7 SIM card slot is identical to that of Galaxy S7 edge. This guide applies to both Galaxy S7 and S7 edge, although Galaxy S7 is mentioned most of the time.

What is Galaxy S7 SIM card size?

Galaxy S7 SIM card allows you to connect to carrier’s and its partner’s mobile network to use voice service and mobile data services.

So, although you can use most features of Galaxy S7 through WiFi without installing SIM card for Galaxy S7 or S7 edge, you cannot use any mobile network related features before you install Galaxy S7 SIM card.

SIM card are always issued by your carrier, NOT Samsung. You should get SIM card for Galaxy S7 and Galaxy S7 edge from your carrier (your phone company)

There are 4 different sizes for SIM card for smartphones from big to small:

  1. Full-size SIM. it is hard to find one unless you have a phone that is more than 15 years old.
  2. Mini-SIM. Mini-SIM usually is referred as “big” or “normal” SIM card in some countries. Again, it is seldom used for today’s smartphones.
  3. Micro-SIM. Micro SIM is still the most popular size of SIM card for smartphones. Most middle range and budget smartphones are using micro SIM card.
  4. Nano-SIM. This is the smallest SIM card for smartphone today. It is usually used in most flagship smartphones.

Galaxy S7 and Galaxy S7 edge use nano SIM card. In other words, Galaxy S7 SIM card size is nano SIM (4FF).

Here is a list of some popular phones using nano SIM card: Galaxy S6, Galaxy S6 edge, Galaxy S6 edge+, Galaxy Note 5, iPhone 6S, iPhone 6S+, iPhone 6, iPhone 6+, iPhone 5, Moto X (including  all generations) and many more. If you have any of these phones, the SIM card is interchangeable with Galaxy S7 or S7 edge.

If you own a Galaxy S5 or Galaxy Note 4 or earlier Samsung devices, micro SIM card is normally used, and therefore, you cannot use the existing SIM card for Galaxy S7.

You should get official nano SIM card from your carrier. Do NOT try to trim the SIM card by yourself.

Galaxy S7 SIM card tray and Galaxy S7 edge SIM card tray

Galaxy S7 SIM card tray has 2 slots as shown below. Slot 2 is bigger than  slot 1.

Slot 1 is always for a nano SIM card.

Slot 2 can always be used for micro SD card.  But for Galaxy S7 dual SIM models, it can also be used for a second nano SIM card. Please note, the dual SIM version of Galaxy S7 and S7 edge are dual standby, not dual active.

Galaxy S7 SIM card tray and Galaxy S7 edge SIM card tray

What are the differences in Galaxy S7  SIM card slot between Galaxy S7 dual SIM model and single SIM model?

As mentioned in this page, depending on your region, you may get:

  • a dual SIM Galaxy S7 (or Galaxy S7 edge)
  • or a single SIM Galaxy S7 (or S7 edge).

For Galaxy S7 dual SIM model, you can use the Galaxy S7 SIM card slots in 2 ways as shown below:

  • installing 2 SIM cards;
  • or 1 SIM card plus one micro SD card.

It is up to you to decide how to use slot 2.

But you cannot use both SIM card and SD card in slot 2 simultaneously.

Galaxy S7 SIM card slots for dual SIM model of Galaxy S7 and dual SIM model of Galaxy S7 edge

For single SIM version of Galaxy S7 (and S7 edge), you have only one option: slot 1 (smaller one) for SIM card and slot 2 (bigger one) for micro SD card as shown below.

Galaxy S7 SIM card tray for single SIM version of Galaxy S7

Please check with the vendor whether your Galaxy S7 is dual SIM model or single SIM model before installing SIM card for Galaxy S7 (and S7 edge).

How to install Galaxy S7 SIM card

To install  Galaxy S7 SIM card, please follow these steps:

Step 0: power off Galaxy S7 (or S7 edge)

It is recommended to power off the phone before installing SIM card for Galaxy S7.

Step 1: Insert the ejection pin (in your Galaxy S7 box) into the hole of  Galaxy S7 SIM card tray.

Please refer to Galaxy S7 layout page if you are not sure about the location.

Step 2: Pull out Galaxy S7 SIM card tray gently from the SIM card slot.

Step 3:  Put SIM card into slot 1 (the smaller one) with metal part facing downwards.

It is important to make sure the metal part facing downwards in Galaxy S7 SIM card tray. Otherwise, SIM card will NOT work.

For dual SIM models, if you want to use 2 SIM cards, you can put the second SIM card in slot 2 as shown below.  The metal part also must face downwards.

Please note, if you install a SIM card in slot 2, you can NOT install SD card.

installing Galaxy S7 SIM card for dual SIM model of Galaxy S7

For single SIM version of Galaxy S7, slot 2 is for micro SD card, not for SIM card. So, you should install SIM card on slot 1 only as shown below. You should never put SIM card into slot 2.

Step 4: Gently press the SIM card so that it fits into its slot to secure it.

If you fail to secure the SIM card in the slot, the SIM card may fall out of the tray. This may damage the Galaxy S7 SIM card slot.

If this happens, do not pull out the tray forcefully.  You should visit local Samsung service center to fix it.

Step 5: Insert Galaxy S7 SIM card tray back and secure it.

installing Galaxy S7 SIM card for single SIM model of Galaxy S7

How to remove Galaxy S7 SIM card?

You can follow the 5 steps to remove Galaxy S7 SIM card.

Please note,  you should power off phone when removing SIM card from Galaxy S7.

Can you insert, change or remove Galaxy S7 SIM card? Do you get the correct size (type) of SIM card for your Galaxy S7 (and S7 edge)?

Please leave your questions in the comment box below if you have any questions or encounter any problems on installing, using, or removing Galaxy S7 SIM card.

The community will try to help you.

You can get the official Samsung Galaxy S7 user manual (user guide) in your local language here, and Galaxy S7 edge user manual (user guide) in your local language here.

For other guides on using Galaxy S7 and Galaxy S7 edge, please check Galaxy S7 online manual page.

For detailed Galaxy S7 how-t0 guides, please check Galaxy S7 how-to guides page.


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Comments

  1. So if I get a replacement phone which happens to be the exact same phone, can I or should I swap the sim card from the old phone to the new phone? Is this where the internal data is saved? They are both a galaxy s7 with a dual slot tray containing one sim card and one SD card (which I had bought and added myself). The service provider is through the same company (Verizon wireless).

    Reply

  2. My Sim tray got broken inside my phone and now my sim tray and sim card both got stuck inside the slot. Somehow the sim is surprisingly working perfectly but i want to replace my broken tray with the new one. How can i get it back without disassembling the phone? Kindly let me know if there is any way.

    Reply

  5. Hi when I have Sim 1 set to calls and texts and sim 2 set to data messages keep crashing. When I change sim 2 to data Lge 3G 2G sim 2 automatically changes to 2G and if I change to 3G then sim 2 changes to 2G and I wanna use sim 2 for data…

    Reply

  7. Please can someone help me. I just got my s7 edge and first of all the second sim slot is way to small to hold another Nanone sim card.. so I trimmed a test sim card down to fit and it’s stillike not giving me the second sim options and settings it’s not seeing it at all. If I out the second sim card in the primary sim slot, it works fine. I got the phone from china

    Reply

  8. Hello..
    I would like to know on the dual sim card procedures. Is it possible for me to insert these both sim card as stated below?
    Slot 1 is my M1 sim card (calls and sms and etc).
    Slot 2 is my Starhub (unlimited mobile broadband).

    If yes, how do i want use data usage from Starhub. I wouldnt want to use so much date from my M1 as it might burst my data usage.

    Appreciate you can assist in these. Thank you!

    Reply

  9. hello

    I have Samsung s7 edge dual sim smart phone. I have inserted LTE sim in slot 1 and slot 2 is used for calls and sms (though it supports 4g). To my surprise I am not seeing network speed as it should be when two sim’s are inserted. when I am removing sim from slot 2, then the network speed in slot 1 is showing very good speed. I just want to understand if the network speed has to be high though the mobile is dual sim, only one sim should be used? coz I am seeing the same in practice. one more question please, if I am using LTE sim in slot 2 and option LTE/4G/3G is selected then also the network speed is worst. kindly help and advice, I want to use LTE sim in slot 1 with high speed and sim 2 only for calls or sms not with data.

    Reply

  10. First time to put ny sim card in s7edge, it fits nicely but when i open it cannot detect my sim, it prompt a message that says sim card crash!!!

    What wil i do?

    I haven’t even use it…

    Reply

  11. I am currently studying abroad in italy and am looking to get a sim card here. I have the Samsung s7 edge. I am wondering are all of my apps, messages, and contacts stored on my sim card? And if I remove it would that cause any problems? Also if they are stored on there how do I back everything up?

    Reply

  12. I have just bought a galaxy s7, but my old simcard is too big. When I start up the phone i have to choose a laguage and press start, but when I do the phone tells me to ‘insert simcard to access network services’, and I cannot go any further.
    Is there any way to use the phone before my new simcard arrives? Please help me.

    Reply

  13. What if the hole for ejection pin of the galaxy s7 sim card tray is damage?What are we going to do?is it repairable?

    thank you and God bless..

    Reply

  14. Please can someone help me. I just got my s7 edge and first of all the second sim slot is way to small to hold another Nanone sim card.. so I trimmed a test sim card down to fit and it’s stillike not giving me the second sim options and settings it’s not seeing it at all. If I out the second sim card in the primary sim slot, it works fine. I got the phone from vodacom here in South africa

    Reply

  15. I have a Galaxy S7 Edge that I am not happy with. If I swapped with a Galaxy S7 owner would I be able to merely swap SIM cards and have the phones operate normally or would each of us require a new SIM card?

    I do not like the edge functions nor the sensitivity of this phone when handling it.

    Reply

  16. Is it possible to use a dual sim tray in a single sim phone to operate two sims? Is the hardware in the phone itself to operate dual sim and just the tray is different, or is there a difference in the phone hardware also?

    If there’s a difference in the phone hardware, do all galaxy s7’s operate on all the listed frequencies and bands on the manufacturers page or are they installed based on region?

    Reply

  17. My brother brought a Samsung galaxy S7 edge from Malaysia for me..but he didn’t activate it there..so when I inserted Bangladeshi sim it want network unlock here..i am from Bangladesh& I have warranty card & gmail account activated.. What should I do? Please help..

    Reply

  19. I cant register with a mobike network whilst i am overseas my provider has enabled international roaming what so i do? My phone akso diesnt seem to have “sim card manager” in setting??

    Reply

  20. Hi, Somehow I broke the duel simcard holder when I wanted to change simcard. The store I bought the phone in says that’s not part of the guarantee so my question is where I can buy a new holder?
    Thx a lot in advance

    Reply

  21. Hi, I have the Samsung Galaxy S7 Note Dual SIM. I am in England. Both SIMs are on the 3 network but only 1 of them works. I can’t make calls to or from the 2nd SIM with this ‘phone. Is this a configuration problem? I have tried adjusting the settings in SIM manager but I get a “fail” message.

    Is there another fix or should I go back to 2 ‘phones?

    Thanks

    Reply

  22. Hi all

    I appreciate any help regarding this issue I am having with my dual sim phone. It was working fine for a few months but one day SIM#1 which is my main number stopped Connecting to the network. I tried almost all my options and now I am lost without help 🙁

    This is the phone I am having problems with:
    Samsung Galaxy S7 edge duos
    Model#: SM-G935FD

    These are the Canadian Networks I am using:
    SIM CARD #1: Telus
    SIM CARD #2: Fido

    1) When I swipe my finger down from top to bottom of the screen it shows “emergency calls only | Fido” on the bottom where usually the name of the carrier is displayed. It used to say: “TELUS | Fido”.

    2) When I do a Manual Network Check under Network Operators for SIM#1 it shows Telus, EXT, Bell and WIND. But when I click Telus its shows “Registering on Telus” maybe 1/10 of a second before it disappears and gives me a message on the bottom of the screen in grey saying “Unable to connect. Try later”. I already tried the ” automatic network check”; not working either.

    3) Already switched the SIM around to check the SIM slots but only SIM#1 is not working properly. It finds it under the network check but is unable to connect. I have no issue with SIM#2; at least not yet. Even tried a Rogers SIM on SIM#1 but with no luck.

    4) When I go to Settings > SIM card manager; it shows both numbers in color and they are not greyed out; so therefore I assume it is picking up both of the Networks.

    5) When I click on Dual SIM always on to Receive calls from both SIM cards even during calls and switch on the “on button” it says “Updating settings”. After several minutes with no luck I get the following message:

    FAILED

    [SIM card 1]
    Call forwarding: Failed
    Call waiting: Failed

    [SIM card 2]
    Call forwarding: Failed
    Call waiting: Enabled

    6) I have Factory Reset the phone to it’s original state when I bought it, but again no luck.

    I did not update the phone before the crash. When I run out of options; I did the update but it also didn’t help.

    Thank you for taking your time and reading about my problem

    Reply

  23. Hi, I am still struggling with my dual SIM phone, but it does seem to be related to poor reception in this area, I was at an airport recently and finally both SIM’s showed with four bars. I was looking at the Phones/Status part of settings as you suggested above and the SIM card status shows as Network not available, Signal strength not available, my phone number not available! Now this is the odd bit. Why does it not know what number the Nano SIM is? It also only appears to show the information for one of the SIMS, which will it be showing? The more I look the more it is as though there is a setting that I have missed for the dual SIMness of the phone, yet in a high signal area both do seem to show. Do you think it is the phone or the signal strength? Many thanks and your previous answer was appreciated

    Reply

  24. Hi!
    My S7 Edge dual SIM always move data connection to one of the SIMS ignoring my settings. I set everything (data, sms and data) to SIM1 letting SIM2 in standby, but always it change data to SIM2.
    If I swap SIMs, same behavior occur.
    Do you know if this is an expected behavior or some king of bug?
    Thanks!

    Reply

  25. I have a newly bought unlocked Samsung Galaxy s7 but branded with Vodacom/Vodafone. I live in Botswana which is near South Africa. When I went to South Africa recently and tried to activate roaming while in South Africa, the phone refuses to activate saying I am not registered in network. Please help

    Reply

  26. I live in one country and work in another; therefore, travel daily between countries. Each country has separate phone carriers. I need phone and text operational from each country (i.e. phone roaming is ok) and want to have network data from the country where I am currently located (i.e. no data roaming).

    Can the S7 handle this swap automatically?

    Reply

  27. Live and use phones in USA. I have two AT&T SIM cards. One for myself and one for work.

    I want s7e model to work with two sims. I also want to use LTE. Which version should I buy?

    Thanks a lot!

    Reply

  28. Are the US versions of the S7 edge barred (software wise) from functioning as dual sim phones? I ask this because I am considering buying a dual SIM tray from amazon and installing in my phone. Specifically for when I travel.

    Reply

  29. I bought an unlocked Samsung Galaxy s7 edge in Iran ( in middle east ) and I was wondering that is it going to work when I go back to Canada. I will be using a Fido sim card in Canada.

    Reply

  31. I purchased a S7 edge dual sim phone and put a sim from Rogers (Canada) and a sim from Telus (Canada in slot #2. In the sim card manager, it only allows one sim to run on 4G with the second reverting automatically to 2G. Why won’t both sims run on 4G?

    Reply

  32. Hi, I have a dual sim Samsung galaxy S7, and have changed both my full sized sims on Virgin (in an old Nokia E63 and a Samsung S3 Mini respectively) to Nano sims for the new phone so I won’t need to carry two phones anymore. I never used to have reception problems with the old SIMS and phones. Since changing to the Nano sims (same numbers and still on Virgin) I have virtually non-existent mobile signals on both sims in two locations (100 miles apart), where I used to have good reception on both. Obviously I am beyond the point of no return and need to make this work. Two questions – 1. could the two SIMS interfere with each other or could there be another reason why I don’t get good reception? 2. I have one SIM which has a better data package on it (they both take calls). Is there a preferred slot for the data SIM or do they both work the same if I change them in the settings? i.e. should I have the 2G/3G reception data SIM in slot one and the 2G only SIM in slot 2 or does it not matter? Many thanks

    Reply

  33. Thanks for the information and resources. I have the S7 Fd and I am having problems with dual Sim Cards you really helped me to understand the situation. I am in my 30 day money back guarantee but I think I will keep the phone anyway. I have the S7 unlocked GSM international version. Your post comments help me to understand why I am having Sim Cards problems. I guess I should go back to 2 phones.

    Reply

  34. What’s the difference between dual active and dual standby?

    I currently use the S4 dual sim mini and it works. I’m thinking about updating to the S7 even tho I can’t have dual sim plus an extra memory slot.

    Reply

  35. Hi, I have ATT for both m Sim’s in the US. Why do you say that there can be issues with dual sims in the US?
    Also, how do I turn on wifi calling as ATT offers it. Thank you in advance.

    Reply

  36. Hi;
    I read the posts about the Samsung 7. I’m looking to upgrade from the Samsung 6. I just wanted to clarify my understanding of the posts and the dual sim cards.
    On the Samsung 7 you can change Sim cards to another carry – i.e. from a US sim card and carrier to a Spanish sim card and carrier. We did this with the Samsung 6 and it worked great. I initially heard that you could not access the sim card in the 7 since the phone is water proof. In reading the posts it appears you can access the sim card in the 7.
    Further, it looks like there are dual sim cards. Am I understanding correctly that you could keep your US/carrier sim card in slot 1 and insert another sim card in slot 2 such as a Spanish sim card/carrier? Changing from sim card 1 or 2 is a manner of changing the setup for sim cards?
    Thanks in advance for any follow up.
    Tom

    Reply

  37. I just sent a reply, but confusing, this reply is the Google one, please delete previous.

    I want to use my “Spanish home SIM card” in slot 2 and have from this sim my daily calls, emails and Internet, while in my home country Spain.
    In slot 1 I want my Hong Kong SIM card for incoming calls only, that’s possible I presume.
    —
    When traveling I want to use a prepaid local sim for both data and calls in slot 1.
    while in slot 2, my home sim remains without data roaming, only for incoming “home” calls, is that possible.
    —
    What I understand you can not use the sd card up to 200 Gb, when using 2 sims, but in the advertisements you see double sim, with extra memory up to 200 Gb.
    Where to put the ad card ??

    Reply

  38. Hi I have a Samsung Gaxaly S7 Edge SM G935FD, I get tmessage sim card invalid. Went to carrier they said I need special code in order for phone to work. I purchased it unlocked so I could use in Central America, I am traveling in Honduras and I don’t have a phone. Can you help.

    Reply

  39. I want to use a dual sim S7 in the UK with the first sim slot carrying voice, 4g for a UK carrier and 2nd slot a pay as you go sim from my home country South Africa.(only need 2g, voice and sms for this) The South Africa sim is however not enabled for international roaming unless Wifi calling is utilised. How will this work? Do I need to switch off the main UK sim in the settings if I wan to use the SA sim through Wifi Calling.

    I don’t need the seconds South Africa sim to be active the whole time but periodically want to check messages, and make a few calls as if I am back home through Wifi Calling

    Reply

  40. Hi,

    I have brought the S7 dual sim card, but it wont connected to both at the same time. Has to been one or the other. I have tried turn on both sim always on, but it doesn’t work, say Fail.

    Is there way of fixing this, or is it a problem with the networks. One sim card is from UK and one from South Korea.

    Regards

    Reply

  41. Can the dual S7 use sim cards from the same network or do you need different networks that use different frequencies?

    Reply

  42. Hi if i get unlock codes for the s7 edge will it work on the dual sim version? Im reluctant to get these unlock codes because they are different phones from different regions

    Reply

  43. I have a dual sim s7 but I’m only using 1 sim + 1 sd. My msgs are still showing the sim1 icon but I cannot turn off dual sim. “Dual SIM always on” option is greyed out. Is there a way to remove this icon from msgs?

    Reply

  44. I am currently using iPhone 6+ and I will be buying Samsung S7 or S7 Edge. I believe both iPhone 6+ and S7 have Nano Sim card. My Mobile company will be same for both phones.

    Can I simply use my current iPhone 6+ sim card in new S7 phone?

    Thanks

    Reply

  45. Is there any difference between the 1 sim and 2 sim version of theS7 Edge whne it comes to the languages that are installed in the phone?

    Reply

  46. Hi guyz
    Im based in Paris (france) and i would like to buy the S7 dual sim. I cant find it in Europe. Do u know where and which model should i get ? Thanks for the answer.
    D

    Reply

  47. Do you have an explanation for this by any chance? I’m in a similar position, I want to use data on sim 1 + voice/sms on sim 2.

    “So I purchased the SM-930F on ebay, I ended up with the FD model. So first question there, I couldn’t see any difference between the F and FD in the specs I looked up other than the hardware allowing an additional SIM. Is there any reason why I should be concerned about an FD over an F?

    Second question; I checked the frequencies before I purchased and I should get LTE on the rogers network however I only get 3g and HSDPA+ or 4g occasionally but rarely. Why am I not getting LTE?

    LTE Bands
    https://en.wikipedia.org/wiki/List_of_LTE_networks

    930FD frequencies
    http://www.phonemore.com/phone/samsu…sm-g930fd/2557″

    Thanks!

    Reply

    • Don’t just read the short model number. It just indicates the main hardware configurations. In different regions, the firmware, features and LTE bands can be substantially different. Yes, FD means dual SIM.

      In most regions, 4G means LTE. Of course, in a few regions, it means H+. But this is defined by firmware on the phone, not the carrier’s network. So, you need check SIM status in settings – about phone – status to find out the actual network type. You also can check the corresponding user manual to find out the convention for the said phone.

      For LTE bands, although the phone can support most of them, the firmware on the phone may disable most of them depending on the region where the phone is being sold.

      I would recommend you to buy phones from local distributor.

      Our Facebook page || Galaxy S6 Guides || Galaxy S7 Guides || Android Oreo Guides || Galaxy S8 Guides || Galaxy S9 Guides || Google Home Guides || Galaxy S10 Guides .

      Reply

  48. Can i disable the data on any of the sim cards, particularly when roaming.
    I want to roam voice and text only on sim1, and voice, text and data on sim2. but in case coverage is lost on sim2 but sim1 still has coverage (as different carriers may have different agreements with international partners), how to prevent sim1 only from roaming data?

    Reply

  49. I am using S7 Edge, SIM 1 on 4G, SIM 2 on 2G. However, my service provider is switching off 2G soon. Does this mean SIM 2 will not work on my phone?

    Reply

  50. Hi,

    After reading through your post and all the comments, I am still confused with the dual-sim feature. My understanding is that since Galaxy S7 is dual-standby, there is only one sim operating at a given time. For example, if I am talking on the phone with Sim 1, my Sim 2 will not be active hence I cannot receive any phone call or txt message on Sim 2. Is this right? Same thing happens if I am surfing web (4G) with Sim 1? Only dual-active has 2 sims active all the time? I have one main sim card (calls/messages/4G) and the other one is oversea sim card and only to receive calls/messages.

    Thank you.

    Hieu

    Reply

  51. I would like to use sim 1 as main sim for voice, sms and data.
    Sim 2 should only be for voice calls and sms. Is this possible?
    Can I be reached on two different phone numbers all the time or do I have to switch between the 2 sims to have only one active?

    Reply

  52. i believe i only have a single sim model. is there a way i can get a dual sim function on my phone or purchase the dual sim adapter for my phone?

    Reply

  53. I have read all comments. Can verify? Dual sim card. 1 on 4G and the other on 2G.if slot 1, my local sim (using 4G and slot 2, overseas sim. If i need to change using the slot 2 as 4G, do i need to physically take the slot 2 sim and switch to slot 1 for 4G connectvity? Or simply perform it on the phone setting without physically take out the sim card?

    Reply

  54. Where can i find the option in my s7edge where i can choose whether in my sim or phone i will save my messages? Thanks

    Reply

  55. What will happen if i inserted a sim without turning off my s7edge? Does it damage the phone? Please help..thanks!

    Reply

  56. The Conversations here are so good.
    The way you extend your views and ideas with and from the one who asks and the one who answers are good.
    That’s why a mobile phone owner like me, per se, could decide wether i buy or pass the buy.
    Thank You Management and God Speed.

    Reply

  57. okay, so i was wondering if i could get a Samsung Galaxy s7 unlocked off of b&h photo video, it said its gsm? could i use a cdma sim card in it? such as a Straight Talk of sorts? this would be a gift for my mom lol need to know before i buy one.

    Reply

  58. what are the allowable speed ratings of microSD cards for the microSD card slot?
    Class 2/4/6/8/10?
    UHS class 1/3

    Reply

  59. If i put the dual sim card slot wit 2 sims in a single sim version of S7, will it work? Can some one try it?

    Reply

  62. I’ve been carrying two phones for years, a work phone and a personal phone. Hearing this one has the dual SIM option is exciting but after reading your comments I’m not sure it’s going to work the way I’d like it to. My carriers are Sprint and Verizon in the US. First question: are the dual-sim models only GSM versions of the handsets? I.E. AT&T and T-Mobile? Second question, (which is null and void if the first question is a yes!) : I just read your reply about the second Sim only using 2G voice. Does that mean that I can’t use each SIM the same and switch between the two for all services?

    Reply

  63. I have a galaxy s7 with dual sim slot. I am using the sim and a 64 gb micro sd. The phone crashes, does not load pictures on the card, will not store camera pix directly to card. Most pictures and content on card do not show or show as corrupted. Viewing content on laptop from card in phone shows them fine. All files are from a card that was on my S4. I loaded music and it disappeared but card is fuller. Wont allow me to delete the bad filea from laptop, states they are protected…. help! Lol…is it the phone or the card that is most likely my issue. I have formatted the card 2x and reloaded data. Some folders if i load 200 files, only show 100 files… so weird and frustrating.

    Reply

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