Using international SIM cards - Verizon Samsung Galaxy S III

Hi All,
Please excuse me if this is a dumb question. I am moving over from Sprint to Verizon and travel to India a lot. I know and believe I will have no problem roaming over in India on CDMA, as I do so often on Sprint and Verizon's website shows CDMA coverage as well. What I would like to know and double check myself on is being able to switch SIM cards. I understand the GS3 on Verizon has a SIM card in it... is it possible to pickup a local sim card in India and put it in my phone to use local service?
From my understanding at the moment, if I want to do this, I need to follow this thread and steps...
http://forum.xda-developers.com/showthread.php?t=1809314
Is it possible to have Verizon give me an unlock code to be able to use a different local SIM in India? Any help would be grateful.
-Grand

Related

Adding Verizon to Network Operators?

I unlocked my MyTouch 4g (Glacier) and I want to use my Verizon sim card in it but it does not detect Verizon in the network operators. How do I get verizon on there? Is it possible? I thought unlocking it would allow me to do this.
http://tinyurl.com/4zwoaoo
Verizon does not use 'SIM' cards
as 'SIM' cards are used for GSM networks and Verizon is a CDMA provider
http://tinyurl.com/4zwoaoo
I did google this extensively. The phone that I have here is on the verizon network and has a sim card. Why would I make that up?
houseonfire said:
I did google this extensively. The phone that I have here is on the verizon network and has a sim card. Why would I make that up?
Click to expand...
Click to collapse
Verizon is a CDMA network. The SIM card is there because the phone you have also has a GSM radio for traveling overseas. However, just because it says "Verizon" on the SIM card doesn't mean your phone connects to Verizon when you roam. It's actually connecting to Vodafone when you're roaming in most countries. That's what the SIM card slot is for. Now if you unlocked that phone, you could use it on T-Mobile or AT&T if you set it to GSM Mode.
That Verizon phone will work in the US and Canada whether or not that SIM card is in there. It's impossible to get a GSM phone (your MyTouch 4G) to work on a CDMA network (Verizon).
Product F(RED) said:
Verizon is a CDMA network. The SIM card is there because the phone you have also has a GSM radio for traveling overseas. However, just because it says "Verizon" on the SIM card doesn't mean your phone connects to Verizon when you roam. It's actually connecting to Vodafone when you're roaming in most countries. That's what the SIM card slot is for. Now if you unlocked that phone, you could use it on T-Mobile or AT&T if you set it to GSM Mode.
That Verizon phone will work in the US and Canada whether or not that SIM card is in there. It's impossible to get a GSM phone (your MyTouch 4G) to work on a CDMA network (Verizon).
Click to expand...
Click to collapse
Thank you for the real explanation and not being a jerk about it, as I did not know this.
It sucks that I cant use it but now I know.

[Q] Unlock Photon Bootloader to use overseas?

Hello everyone,
I just purchased a Motorola Photon (my first android and smartphone) and was wondering if someone can help me answer my question.
I would like to use the Photon with a SIM card during my overseas travel and wanted to know if unlocking the bootloader will allow this? I know I can't use Sprint's Worldphones while overseas with SIM cards from other countries - I had my friend confirm it from his BB-Bold. According to him, even if he switches to GSM, the phone automatically goes back to CDMA and uses Sprint's international Voice/Data.
I, however, wanted to know if unlocking will avoid this behavior on Photon? I really love this phone and would like to use it even when I am overseas.
Please advise.
Thank you in advance!
Photon 4G Sim Card
I bought a Photon 4G on Sunday, I just went to Mexico on Monday and tested a sim card from a local carrier and it worked. Just had to switch Network Mode to Any GSM/UMTS mode.

straight talk byod

just wondering if anyone can answer a simple question i have............i have a tmobile phone thats blocked from tmobiles network im wondering if i will be able to use on straight talk and if so do i need a tmobile compatible sim card only? or will i need to unlock phone an use a unlocked gsm sim card in order for it to work? thanks in advance for any help

[Q] Will Sprint unlock my S5 for international use?

I switched to sprint about 5 months ago and I got my s5 with a 2 year contract. We also got another line with another phone. The account is in good standing with payments on time always. Will Sprint unlock it for me so I can use it on a trip im taking overseas? I'm not sure what their policy is..and I know they do it OTA, so that means I have to be on stock rom right?
Yes stock rom. Sprint more than likely unlick. Of course you will have to mnew monthly charges. But depend sd wherr your going. If going to us territories sprint will work. Just call sptint anf see
They will usually unlock it for international roaming after having the phone on your account for 90 days.
Sent from my SM-G900P using XDA Free mobile app
please note that most of the world is now based on GSM and Sprint is a CDMA based service. Once unlocked you would probably need a GSM sim card installed in order to use the S5 (this sim card can either be one from the US, a more expensive option, or a local sim wherever you are traveling to).
In Europe, especially UK, there are many cheap GSM sim operators.
Drugman109 said:
please note that most of the world is now based on GSM and Sprint is a CDMA based service. Once unlocked you would probably need a GSM sim card installed in order to use the S5 (this sim card can either be one from the US, a more expensive option, or a local sim wherever you are traveling to).
In Europe, especially UK, there are many cheap GSM sim operators.
Click to expand...
Click to collapse
Yeah that's the plan for me to buy a local sim in that country so I can use the phone with a local number there. Do you know what bands the gsm works on?
euklid said:
Yeah that's the plan for me to buy a local sim in that country so I can use the phone with a local number there. Do you know what bands the gsm works on?
Click to expand...
Click to collapse
Depending on the country involved they use 900 and 1800 mainly but the s5 has all the bands used in Europe. Note that T Mobile is a major carrier so you should be ok with this phone if it is truly unlocked

unlock sim

Hi guys .i wondering if someone help me. I want to know how to unlock sim card.in our country we buy device's that came from the most common company in usa( vrizon and sprint).also in our country we use both network cdma and gsm .so what i need is to unlock sim to use it on cdma network and progamming the sim with the programming number that i got from the network service shop on the phone . When i bought my galaxy s7 from shop they unlock it to work in gsm. I hope* anyone help me with this.
kareem007g said:
Hi guys .i wondering if someone help me. I want to know how to unlock sim card.in our country we buy device's that came from the most common company in usa( vrizon and sprint).also in our country we use both network cdma and gsm .so what i need is to unlock sim to use it on cdma network and progamming the sim with the programming number that i got from the network service shop on the phone . When i bought my galaxy s7 from shop they unlock it to work in gsm. I hope* anyone help me with this.
Click to expand...
Click to collapse
Thought VZW and SPR are giving SIM unlock service under the certain condition.
http://www.verizon.com/about/consumer-safety/device-unlocking-policy
Like VZW clearly states on their website, that they don't usually lock their 4G devices, so I guess S7 is included?
So as SPR
https://www.sprint.com/legal/unlocking_policy.html
you just have to use your device in certain amount of time on their network and they can unlock it for you.
Unless you can't connect to their network, I really don't see the need of any "programming" or "unlock SIM" that you do refer to.(though unlock SIM doesn't exist for Galaxy S7)
And lets talk about using your device on CDMA network. You have to be aware that which CDMA is used by your career and on which band, as CDMA is mainly ONLY used by USA,JAPAN,KOREA,China(sorry if I missed any) I think very few device supports CDMA, so it might be quite DIFFICULT(or even impossible) to use GSM device on the CDMA network.
Maybe you need to clarify a bit what information you need exactly?
In yemen we use cdma on cdma2000 ev-do band and gsm so My phone is compatible with this two network(s7/sm-g930p).why i need to use programming sim becuse to use both network cdma for internet connection and gsm for calls but not in the same time.i have to swith network band to use one of them .in phone store they have a method to unlock sim and progamming sim to work on cdma.i don't now the method but maybe by dfs .

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