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Total newbie question about SIM unlocking Diamond

Hello everyone,
I'm thinking to buy an HTC Diamond over eBay, and have question about SM unlocking in my mind:
- Do I need to have a SIM card, which the device currently locked in, to unlock it or is it possible to execute the unlocking software without a SIM card installed?
They usually sell phones re-branded and locked to a specific network, and not every network operator works in my country. For example, if I buy a phone locked to Orange, it will be impossible for me to unlock it, if I need to run the unlocking software while an Orange SIM is inserted.
Thanks in advance.

Well I'm not completely sure that you need the sim to unlock it, but what I am sure about is that if you buy the HTC Diamond (not the T-mobile version, or whatever other carrier offers it) it will come unlocked. HTC simply makes the phones and if you buy one of their versions it will be unlocked as a standard.
Hopefully I helped answered your question instead of wasting time for both of us

every phone i have had to have unlocked can be done without any sim card in it

Thanks for your replies and sorry for a late response.
I have already bought my phone and waiting for its arrival. It is an Orange branded device, which is unlocked with a software obtained from unlock-htc.com, according to the seller. So, my problem with the SIM unlock seems solved

I think the bigger question is, once you get it unlock can it be used with AT&T or T-mobile 3G frequency.

smilepak said:
I think the bigger question is, once you get it unlock can it be used with AT&T or T-mobile 3G frequency.
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Click to collapse
We don't have those network operators here in Turkey. In fact, we don't have any 3G network operator at all
If we think that people are discussing about 4G technologies like LTE in north America and Europe, we can easily say that cellular network providers are evolving very slow in Turkey I don't think I will have problems with our current old school GSM providers with a SIM unlocked device.
I have to wait and see of course, I will let you know the results.

how do I...

Hello! at this moment I'm a tattoo user, but in month or two I'm gonna switch to Nexus...
Probably my phone will be locked on some network, dunno right now. is it posible to unlock the nexus? some of the tattoo users encoutered some problems with the imei generated code. same here or everything is going smooth?
Thank's

nexus is an "unlocked" phone, which will work for any and all gsm operators/networks (except cdma based operators ofcourse),
In case you are interested in rooting, the steps are written all over the site, you can visit www.unlockr.com for more assistance.

thank's for the info! i will ask for more when i'll have it...

mythamp said:
nexus is an "unlocked" phone, which will work for any and all gsm operators/networks (except cdma based operators ofcourse),
In case you are interested in rooting, the steps are written all over the site, you can visit www.unlockr.com for more assistance.
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Click to collapse
While correct, you will need to buy the correct phone if you want to take advantage of the 3G capabilities of your carrier. ATT users should but the ATT version, TMO users should buy the TMO version. It is unlocked, yes, but there is no sense in buying a phone that you will be using primarily on one network if you cant take advantage of the 3G speeds.

AT&T in the UK

Hi there guys, was wondering if I was to purchase an AT&T HTC One 64gb developers edition from the US to use in the UK would it work with my UK t-mobile sim or would I need to root the phone?
Also how easy is it to root the htc one, I rooted my htc sensation is it easier than that??
Thanks

I 'think' that if you r00t it you will unlock it also, I might be wrong though and I can't remember if that's right or not.
Look up on 'debranding', to see if rooting will help you on that.
---
For a rooting guide see here: http://forum.xda-developers.com/showthread.php?t=2265618

Thx for the speedy reply, yeah dont mind rooting the device but just wanted to be sure that that would actually work on a US AT&T version of the htc one in the UK with a t-mobile sim? Has anyone already tried this?
thanks

Nonononono. Rooting does not SIM unlock your phone. Unlocking your bootloader does not SIM unlock your phone. SIM unlocking your phone, however, does.
If you purchase the AT&T model from AT&T, you will be SIM locked and will either A) have to sweet talk them into unlocking it or B) Pay someone to unlock it(there's a great thread of resources for that in the General section). If you purchase the Developers Edition(or any edition) from HTC, it will already be SIM unlocked and should work just fine on any GSM network in the world. There is no AT&T Developers Edition.
EDIT: As far as the difficulty goes, it's pretty easy to root the HTC One. There's a couple of annoying steps you have to repeat before the process is done(i.e. flashing recovery/rebooting several times until it sticks)

unremarked said:
Nonononono. Rooting does not SIM unlock your phone. Unlocking your bootloader does not SIM unlock your phone. SIM unlocking your phone, however, does.
If you purchase the AT&T model from AT&T, you will be SIM locked and will either A) have to sweet talk them into unlocking it or B) Pay someone to unlock it(there's a great thread of resources for that in the General section). If you purchase the Developers Edition(or any edition) from HTC, it will already be SIM unlocked and should work just fine on any GSM network in the world. There is no AT&T Developers Edition.
EDIT: As far as the difficulty goes, it's pretty easy to root the HTC One. There's a couple of annoying steps you have to repeat before the process is done(i.e. flashing recovery/rebooting several times until it sticks)
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I'm pretty sure that you can Sim unlock yourself once you're rooted.
Never done it myself however so might be wrong.

The-Last-Hylian said:
I'm pretty sure that you can Sim unlock yourself once you're rooted.
Never done it myself however so might be wrong.
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Click to collapse
Not on the HTC One, no.
At least, no one has discovered a way to do it. This is XDA we're talking about here, where there's a will there's a hack.

Ah guys, thanks so much for the replies, I'll wait for a developers edition to turn up on ebay. This all came up because I'm tired of waiting for the 64gb version in the UK (if it ever arrives???) and it looks like its cheaper to import from the US (even with import charges).....
I take it the Developer Unlocked Edition just comes with stock android with HTC sense 5 ui???
Thanks again

arvindsond said:
Ah
I take it the Developer Unlocked Edition just comes with stock android with HTC sense 5 ui???
Thanks again
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Click to collapse
yes it does;
This special HTC One® Developer Edition comes with: 64GB of onboard memory, SIM unlocked and has an unlocked bootloader. Compatible on these frequencies:
HSPA/WCDMA: 850/1900/2100 MHz
GSM/GPRS/EDGE: 850/900/1800/1900 MHz
LTE: 700/850/AWS/1900 MHz (US)

It doesn't have an unlocked bootloader, it has an unlockable bootloader. Just like every other network version of the phone has apart from AT&T. That is why HTC are selling it. Also a phone can be sim unlocked without the phone being rooted, as it is completely different. Unlocking the bootloader and then rooting it, wont sim unlock the phone, it will just allow the user to run unauthorized roms etc. Also if you got an AT&T phone from them, you wouldn't get OTA's from HTC they would come from AT&T as the CID wouldn't be a HTC one.

OK guys thanks for the replies, but now this is slightly confusing, so just to be crystal clear if I was to purchase a HTC One 64gb Developers edition from the US to the UK, and rooted it and installed my own rom etc, would this work in the UK or would I need to root the phone and sim unlock it aswell, or will rooting the phone do that for me anyway.....apologies for all the questions, just want to be sure as I've on;y ever rooted my HTC Sensation
Thanks again

arvindsond said:
OK guys thanks for the replies, but now this is slightly confusing, so just to be crystal clear if I was to purchase a HTC One 64gb Developers edition from the US to the UK, and rooted it and installed my own rom etc, would this work in the UK or would I need to root the phone and sim unlock it aswell, or will rooting the phone do that for me anyway.....apologies for all the questions, just want to be sure as I've on;y ever rooted my HTC Sensation
Thanks again
Click to expand...
Click to collapse
OK to clarify - the HTC One DEVELOPERS EDITION will work on any UK network without any tinkering/rooting etc as it is SIM unlocked.
Any other USA model will be SIM locked and you will need to pay about £20 to get it unlocked for (UK) SIM cards. This has nothing to do with Rooting or which Rom you use. Stock will be fine.

2/3G should work, 4G won't tho

Great thanks for clearing that up guys

Hi guys, new question about something similar.....just seen a htc one that interests me, but the guy is saying it's AT&T Unlocked and will work in the UK.....is that even possible?
Thanks

arvindsond said:
Hi guys, new question about something similar.....just seen a htc one that interests me, but the guy is saying it's AT&T Unlocked and will work in the UK.....is that even possible?
Thanks
Click to expand...
Click to collapse
That depends, you see, i have an HTC ONE - US international version, but in my country 3G works in 900mhz, and the factory unlocked i have has 850mhz so im stuck without 3G. In England they use 900mhz so i would need one from there, and yours, which is the same as mine only locked to ATT, will not work on 3G in UK, since they are 900mhz. 2G will work there btw.

[UNLOCK] What to do now?

Hi everyone,
i got a Sprint HTC One M8 from ebay, it is new but i was planning to use it on AT&T network, since it have a Sim Card Slot. Furthermore, even though i'm living on the US now, i'm from Brazil and i was planning to use the phone there as well.
And now starts the problem.
I called the previous owner, asked him to contact sprint to make the sim unlock procedure. He did so, providing me the MSL for the phone. The next step, he said, was to "flash" the phone on AT&T in order to get it connected to their network. I tried several sims, even bought a new one and activated it but with no success.
I spend almost 2 hours on the phone with the sprint's international support, and all they said was that they did everything that they could about unlocking my phone and now i should contact AT&T.
I'm afraid of staying on this infinite loop and i want your opinion.
Does anyone in fact unlocked their SPRINT phone to use on another GSM US carrier? If yes, what did you do? Because i'm planning to return the phone and ask for my money back.
BUT, with the "International Unlock" i should be able to use the phone on ANY international carrier? Because if that is the case, maybe i keep the phone to use when i go back to Brazil.
Thank you very much!

jeffamorim said:
Hi everyone,
i got a Sprint HTC One M8 from ebay, it is new but i was planning to use it on AT&T network, since it have a Sim Card Slot. Furthermore, even though i'm living on the US now, i'm from Brazil and i was planning to use the phone there as well.
And now starts the problem.
I called the previous owner, asked him to contact sprint to make the sim unlock procedure. He did so, providing me the MSL for the phone. The next step, he said, was to "flash" the phone on AT&T in order to get it connected to their network. I tried several sims, even bought a new one and activated it but with no success.
I spend almost 2 hours on the phone with the sprint's international support, and all they said was that they did everything that they could about unlocking my phone and now i should contact AT&T.
I'm afraid of staying on this infinite loop and i want your opinion.
Does anyone in fact unlocked their SPRINT phone to use on another GSM US carrier? If yes, what did you do? Because i'm planning to return the phone and ask for my money back.
BUT, with the "International Unlock" i should be able to use the phone on ANY international carrier? Because if that is the case, maybe i keep the phone to use when i go back to Brazil.
Thank you very much!
Click to expand...
Click to collapse
On the CDMA version of the M8, it lacks the LTE bands needed for Domestic carriers. You can use it overseas somewhat, but not too well. If I was you, I'd grab a Droid Turbo for ~$200-$250 off eBay. It just recently got its bootloader unlocked finally

Get at&t or sprint version of V40?

Greetings ..
I am going to get a LG V40 for my sister and one for me but not sure which one is best to get here in usa for tinkering with.
Both are same price and in New cond. The at&t version or the sprint version.
Any suggestions ?
thanks

carlasan said:
Greetings ..
I am going to get a LG V40 for my sister and one for me but not sure which one is best to get here in usa for tinkering with.
Both are same price and in New cond. The at&t version or the sprint version.
Any suggestions ?
thanks
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Click to collapse
Well it won't matter, unless you want to keep the phone as one or the other. If you want to use sprint, you have to have a sprint phone. If u want to use at&t, at least for volte (I believe), u have to have an at&t phone.
But if you're going to use an mvno, and cross flash the device with say, Open US android 9 (10 isn't available yet), then either one.
I tend to prefer at&t. They can be gotten in 'unlocked' (to carrier) state more easily it seems. But others have used sprint with no issues. Just be sure neither one is carrier locked, because there's no way to unlock them now without the carrier doing it.
cheers

AsItLies said:
Well it won't matter, unless you want to keep the phone as one or the other. If you want to use sprint, you have to have a sprint phone. If u want to use at&t, at least for volte (I believe), u have to have an at&t phone.
But if you're going to use an mvno, and cross flash the device with say, Open US android 9 (10 isn't available yet), then either one.
I tend to prefer at&t. They can be gotten in 'unlocked' (to carrier) state more easily it seems. But others have used sprint with no issues. Just be sure neither one is carrier locked, because there's no way to unlock them now without the carrier doing it.
cheers
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Click to collapse
Thank you for the information.