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Need a quick answer regarding SIM cards

Hey guys, I'm new to the G1. I just picked a used one up the other day to use over seas. I reset the phone not knowing I need a SIM in there to actually use it. I don't have access to a SIM card currently, but I will have one when I go over seas. Will the phone unlock so I can root it with a SIM card from a different carrier? Or do I need to have a TMobile one in there? My plan leaves tomorrow early morning, so I'm kind of in a bind when it comes to solving my phone issues.

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Oops, I thought I posted in General.

The sim card from n e where will work for the rooting process so don't stress that. These instructions will get u n to the phone with out the sim card. http://theunlockr.com/2010/01/10/how-to-activate-the-g1-without-a-data-plan-or-sim-card/

Good luck!
Sent from my Mytouch 1.2 using XDA Premium App!

If the phone is locked , you need to get it unlocked first....otherwise it wont use any other network sim other than t-mobile.
The easiest way to unlock it is to call t-mobile and ask them for unlock code by giving them IMEI number of the phone (can be found in the MENU--->SETTINGS---->ABOUT PHONE----->IMEI NUMBER)
They provide the unlock code for free.
Once you have it unlocked, then whatever sim you insert, you will be asked to enter the unlock code. Enter that code and phone will start using that sim.
If you dont get it unlocked here from T-mobile then get it unlocked from the country where you are going...but the charges and success rate of unlocking depends on which country you are going to.....it is very easy and cheap in South Asia like India and Pakistan.....but difficult in Middle East.....
So the best alternative might be to buy a cheap GSM phone there and sell it when you return here.
Have a happy and safe journey

Thanks for the help everyone. Unfortunately, Tmobile couldn't give me an unlock code since I'm not their customer. I've got some more digging to do. I came across some sites offering the code for a fee, are they legit? I just don't understand how they get the code when I can't.

Go to ebay and buy it. for abt $6.49, they will give the code to you. I unlocked mine via ebay... Try any seller.
Based on timezone, buy from US seller or your local seller to get it quick.
Like for US try http://cgi.ebay.com/UNLOCK-CODE-T-M...025?pt=LH_DefaultDomain_0&hash=item1e5f205f99
Make sure u provide them your IMEI code.. dial *#06# Or look under battery.

[Q] newb needing unlock help

hi, newb here, having trouble unlocking my att skyrocket. i have followed the instructions to what i think is the "t" as they are very simple, but no luck. the only way i ever see "perso init is successful" is if after going back to network lock for one minute i go back again and hit #4 networck lock again "perso_nv_init is successful" comes up, but still locked. my model is a att samsung sgh-i727. android 4.0.3 baseband i727ucld2. kernel ver. 3.0.8-perf-i727ucld2-cl363164 [email protected] #1. build # iml74k.ucld2. any help would be greatly appreciated. thanks

I'd just buy an unlock code. If you try the free unlock too many times it'll permanently not allow you to unlock even if you buy a code. The unlock codes are not that expensive.
Ps, you can probably get the code for free from your carrier. This phone has been out for a long time.

jd1639 said:
I'd just buy an unlock code. If you try the free unlock too many times it'll permanently not allow you to unlock even if you buy a code. The unlock codes are not that expensive.
Ps, you can probably get the code for free from your carrier. This phone has been out for a long time.
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i would but i got the phone at a yard sale

kcory2k said:
i would but i got the phone at a yard sale
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You can buy a code online. All you need is your imei number. Just Google phone unlock codes

try a sim from another carrier to see if its unlocked

vincom said:
try a sim from another carrier to see if its unlocked
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i did the whole process with my TMO sim installed, should that matter? also is what the guy said about trying to unlock my phone too many times will not allow it to be locked?

kcory2k said:
i did the whole process with my TMO sim installed, should that matter? also is what the guy said about trying to unlock my phone too many times will not allow it to be locked?
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It is very true! If you attempt to unlock too many times then it will permanently be locked unless you send it in for JTAG reprogramming or to Samsung and pay the repair charge, but this is if you tried to unlock via just entering random codes.
In order to get to where you need to enter the code, you have to insert a SIM that is not with the carrier it is locked to, it will then prompt you for the code to unlock.

acejavelin said:
It is very true! If you attempt to unlock too many times then it will permanently be locked unless you send it in for JTAG reprogramming or to Samsung and pay the repair charge, but this is if you tried to unlock via just entering random codes.
In order to get to where you need to enter the code, you have to insert a SIM that is not with the carrier it is locked to, it will then prompt you for the code to unlock.
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i have never seen or been asked for a sim code, when my tmo sim is in i get "mm6 error" or "not registered to network". if i type in something like *#7465#(i know thats not the # i just cant remember it right now)to get lock info, it all comes back as off. can mm6 error be for something else?

Sim Card
When I unlocked mine, you are supposed to put in a different SIM when you unlock your phone. Not the same one you use daily. Probably why it isn't working right...

onealvideo said:
When I unlocked mine, you are supposed to put in a different SIM when you unlock your phone. Not the same one you use daily. Probably why it isn't working right...
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onealvideo said:
When I unlocked mine, you are supposed to put in a different SIM when you unlock your phone. Not the same one you use daily. Probably why it isn't working right...
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Waht? Sounds like superstition tbh.
I had my daily sim when I unlocked mine at cellunlocker.net/samsung-unlock.php and all went fine.
OP: Try another sim.

[Q] Need a quick answer please regarding T-Mob service.

Can someone please tell me if it is possible to use a prepaid Sim with a TMob Edge? If so would it have to be a Tmob brand Sim card? If this is not possible stock would it be possible through root access and possibly a rom change? I'd ultimately like to be able to use an AT&T prepaid sim. Thank you in advance for any info. I'm in a time crunch for this info so i really appreciate it.
P.S.- is this phone carrier unlocked out of the box?

bda714 said:
Can someone please tell me if it is possible to use a prepaid Sim with a TMob Edge? If so would it have to be a Tmob brand Sim card? If this is not possible stock would it be possible through root access and possibly a rom change? I'd ultimately like to be able to use an AT&T prepaid sim. Thank you in advance for any info. I'm in a time crunch for this info so i really appreciate it.
P.S.- is this phone carrier unlocked out of the box?
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The phone is not carrier unlocked out of the box. You will have to sim unlock through T-Mobile or another source if T-Mobile will not unlock it for you. It should work with an AT&T prepaid sim after you sim unlock.

slimc84 said:
The phone is not carrier unlocked out of the box. You will have to sim unlock through T-Mobile or another source if T-Mobile will not unlock it for you. It should work with an AT&T prepaid sim after you sim unlock.
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Tmo will unlock it only if there is no balance on your phone. They will ask you why you want to unlock then give you the pin to unlock.

Tmoblie Unlock Note 4
scoobysnack said:
Tmo will unlock it only if there is no balance on your phone. They will ask you why you want to unlock then give you the pin to unlock.
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I just received my unlock code for my Note 4. They will actually send you the unlock code after 40 days of purchase. I am on jump and still paying for my device and now it's unlocked.!! Just call t-mobile after you have had your device for 40 days and request the code.

unlock
Do i need t mobile to unlock it even if it is rooted, what If i were to just flash say a stock at&t rom to the phone, could i then use am att prepay sim?
Thanks for the answrs!

Yes you need T-Mobile to unlock it. If not it doesnt matter if you have it rooted or not. You wont be able to use other sim cards or carrier's if you dont have it unlocked by T-Mobile.
bda714 said:
Do i need t mobile to unlock it even if it is rooted, what If i were to just flash say a stock at&t rom to the phone, could i then use am att prepay sim?
Thanks for the answrs!
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bryanthomas007 said:
I just received my unlock code for my Note 4. They will actually send you the unlock code after 40 days of purchase. I am on jump and still paying for my device and now it's unlocked.!! Just call t-mobile after you have had your device for 40 days and request the code.
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So i just called and requested an international and carrier unlock. I was told that there was two ways to unlock it, first way being just a carrier unlock and second way being both international and carrier unlock which is what i requested. Then they asked for my imei and my email address and said that i would recieve the code and instructions via email within 24 hours. Is this the same process that you went through bryanthomas007? After completing this process is it possible to use a prepaid service?

[Q] Unlocking a SIM Locked AT&T Note Edge

Hello All,
I'm newbie in Unlocking and Rooting the Samsung Galaxy Note Edge. It's my brother's phone and he sent it to me from US to Egypt, I need now to unlock the phone and my question is,
If I Rooted the phone and unlocked the Bootloader and Flashed a Custom ROM, will I be able to use any SIM card? Or I have to Unlock the phone using the Unlock websites for 29$?
Thanks in advance.

Currently, there isn't a way to root the AT&T version of the Note Edge. The answer to your question is yes, if your are able to unlock the bootloader and flash a custom ROM, you would be able to use your SIM card.
I wouldn't trust any of the websites offering an unlock or root services but that's just my opinion.
Sent from my SAMSUNG-SM-N915A using Tapatalk

I bought an unlock code back in Nov last year, the day that I got the phone. Worked perfectly. Now I can use any GSM SIM cards.

de2000 said:
I bought an unlock code back in Nov last year, the day that I got the phone. Worked perfectly. Now I can use any GSM SIM cards.
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I love the comments full of nothigness...
Care to provide the information so that we can also do it?

And love the replies that are sarcastic in nature.
You've posted more than I have, and all this time you don't know that you can buy unlock codes from various places? It has been discussed to death in the forums.
Anyway, since you want to know, I'll help you out. I bought my code from cellunlocker . net. You need another SIM card that is not your network, plug it in the phone, and the phone will ask you for the unlock code. Put in the unlock code that you bought from the place that I mentioned. Viola! It's permanently unlocked.

try unlocking on here

Carrier Apps and Branding
de2000 said:
And love the replies that are sarcastic in nature.
You've posted more than I have, and all this time you don't know that you can buy unlock codes from various places? It has been discussed to death in the forums.
Anyway, since you want to know, I'll help you out. I bought my code from cellunlocker . net. You need another SIM card that is not your network, plug it in the phone, and the phone will ask you for the unlock code. Put in the unlock code that you bought from the place that I mentioned. Viola! It's permanently unlocked.
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Mine is Note Edge T Mobile. Already had Unlocked it. But, my concern is, How could I remove the T-Mobile carrier apps and branding. Also, Can I install the international or Indian Version ROM on this?

SIM unlock S+

Hi,
Looking in this forum but can't see how to SIM unlock my S+. Phone was locked so I re-flashed with Odin but can't find guide to unlock SIM.
Phone is locked to UK Vodafone.
Can you send me please guide if there is some? Thanks

What is the message your phone displays when you insert a SIM card other than Vodafone UK (ie, a non-accepted SIM card) and try to place a phone call?
If the phone is locked, it will ask you for unlocking codes.

Yes, it's asking for unlock code. I could fix this with odin and some flash on my S7 Edge but how can I do this on S8+?

As far as I know you should buy the unlock code on eBay. Actually it depends on operator (each operator has its own way to lock it). For example Verizon doesn't lock GSM part on the modem for their phones at all. Sometimes remote unlock procedure is required (you will pay to third party and they will do it through the Teamview). The price depends on operator. There are 99% that you will not do it for free by yourself.
There is one chance to do it yourself only if your provider made some calling time lock. For example you have to insert Vodafone SIM card and make a phone call for some 5-10 minutes (but it shlould be done inside the country of phone's origin, UK in your case). Try to ask someone with a same Vodafone UK phone.
You can do it with Odin only if it was not really locked from the beginning but just had some carriers bloat, that was asking for that unlock.
What is exact model of your S8+? What does it says in Bootloader mode?

But actually I could do this with S7 edge. So S8 has some protection?
Ganibal_Lector said:
As far as I know you should buy the unlock code on eBay. Actually it depends on operator (each operator has its own way to lock it). For example Verizon doesn't lock GSM part on the modem for their phones at all. Sometimes remote unlock procedure is required (you will pay to third party and they will do it through the Teamview). The price depends on operator. There are 99% that you will not do it for free by yourself.
There is one chance to do it yourself only if your provider made some calling time lock. For example you have to insert Vodafone SIM card and make a phone call for some 5-10 minutes. Try to ask someone with a same Vodafone UK phone.
You can do it with Odin only if it was not really locked from the beginning but just had some carriers bloat, that was asking for that unlock.
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lew1s said:
But actually I could do this with S7 edge. So S8 has some protection?
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Was it the same Vodafone UK? What is exact model number of your S8+? What was original firmware and firmware you have feflashed with?

Ganibal_Lector said:
Was it the same Vodafone UK? What is exact model number of your S8+? What was original firmware and firmware you have feflashed with?
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no was Irish. Model: G955F and I used this guide: https://www.youtube.com/watch?v=9qcBBQ4rwis

lew1s said:
no was Irish. Model: G955F and I used this guide:
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Based on other operators experience I would say you cannot do it by yourself as usually simple flashing will not unlock the phone. You will really need one of paid methods to unlock it. It is still better to ask someone with a same Vodafone phone. As unlockers on ebay etc. make money with those methods I don't really believe that someone here will tell you how to do that by your own.
There was a thread where the guy was discussing unlock for his Austrian locked phone. Finally he paid twice as first seller sold him some wrong unlock code and phone became network blocked completely. However he bought some "unfreeze" code from different seller and that worked for him. If it would be so easy to unlock operators phones they will never sell them cheaper than unlocked.
Another option is still to perform call with original Verizon UK SIM card for 10 minutes. After that you should reboot your phone and it should be unlocked. If it will not work you can approach Vodafone UK and ask them for unlock code. If there was no any financial issues for that phone and it is registered more than 6 months in the network they should provide you with unlock code for free.
Sorry if I didn't help you too much.