do you need to have a sim unlock before flashing the rom?
No.
SIM unlock - ability to use it on different networks (ATT, VERIZON, T-mobile....) meaning if you by a phone from T-mobile, if you sim unlock it, you can use it on AT&T or Verizon's network.
CID unlock - ability to install non T-mobile ROMs on it if you have a Tmobile phone... so for example, if you buy a phone from Tmobile, the CID lock on the device would prevent you from installing AT&T or Verizon's rom on it.
Most people typically buy a phone from a carrier, that is a Samsung, and it has all the typical Samsung logos on it, as well as a T-mobile logo on it. Everyone knows the phone is made by Samsung, and that it is SIM locked into the T-mobile Network. If you take a SIM card out of a AT&T phone, and insert it into this phone, it probably won't connect to the network.
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But sometimes, Cell Companies hire companies like HTC to manufacture phones for them, that they can release as their own brand. For example, My phone is a "T-mobile Wing"... and it is sold only through T-mobile as if it were "made" by T-mobile... but when in all reality, it's made by HTC.
This "T-mobile Wing" doesn't have any other logos on it, besides "T-mobile", and T-mobile markets and sells the phone to the general public... in a sense "pretending" they made it.
Carriers SIM lock phones, because generally they cut people some sort of deal when buying the phone from... you'll often see deals such as Get this T-mobile Wing for "$300" if you open a new account or extend your contract by 2 years today ...etc..etc... but if you already have an account and have already extended your contract, you'll have to pay $499 for it. Since they are "giving you a deal" because they plan on locking you into a contract and getting money from you for 2 years ... they sell you the phone at a cheaper price.
In order to avoid, people buying let's say, an iPhone from AT&T/Cingular and then using it on T-mobile's network, they SIM lock them so that people can "only" use the iPhone on the AT&T network. Obviously it's also a tactic to get more people to switch over to their network... People who REALLY want an iPhone will switch carriers so that they can have an iPhone. So let's say, Apple was offering unlocked iPhones through their own site, it would most likely cost you a lot more than if you went to AT&T, and signed a 2 year contract with them.
Luckily we have a few smart people out there who are able to get around certain things such as SIM and CID locks in order to alleviate us from the clutches of "the man" .... that way we can do whatever we rightfully chose to do.
Related
http://www.engadget.com/2009/07/02/htc-hero-hits-fcc-with-us-3g/
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No mention was made of a Hero with 3G that'd work on Rogers or AT&T back at its announcement a few days ago, but HTC has been getting awfully good at making phones that work properly around these parts -- so we can't say we're entirely surprised to see a Hero approved for WCDMA on Bands II and V gracing the FCC today. For the record, Bands II and V are 1900 and 850MHz, respectively, which is exactly the combo AT&T subscribers would need to flip the switch on high-speed data. We're not sure if this negates rumors that the Hero would be coming to Sprint, but if we can just get this version released and in our hands, you know... maybe our minds would be operating with a little more clarity.
t-mobile USA???
nothing for us?
Hopefully it's quad band
I was hoping this phone will come to Sprint.
slbailey1 said:
I was hoping this phone will come to Sprint.
Click to expand...
Click to collapse
there was a rumor originally that the Hero would be coming for Sprint. just because a ATT 3G band model passed the FCC, it doesn't mean that the phone isn't still going to come out for Sprint. it's still early, be patient!
Re: T-mo Hero
Raioneru said:
t-mobile USA???
nothing for us?
Click to expand...
Click to collapse
According to pdadb.com it will be the G1 Touch (HTC Hero 100). Only difference between this version and the regular Hero is that they added the 1700 band to work here. Supposedly coming this month.
Tempted to get this, but the screen resolution might kill it for me
According to Gizmodo, T-Mobile says there will be no Hero released by them. http://gizmodo.com/5310109/t+mobile-straight-out-says-no-htc-hero-from-them
quick question if I can order one from england can I use it on ATT with 3G?
priyaradha said:
quick question if I can order one from england can I use it on ATT with 3G?
Click to expand...
Click to collapse
No, 3g will NOT work. Only edge.
T-mobile G2 Touch
evilxhwnd said:
According to Gizmodo, T-Mobile says there will be no Hero released by them. http://gizmodo.com/5310109/t+mobile-straight-out-says-no-htc-hero-from-them
Click to expand...
Click to collapse
From Zimbio on Friday:
http://www.zimbio.com/T+Mobile+G1+W...+Mobile+G1+Touch+Becomes+G2+Touch+Still+Track
talan1268 said:
From Zimbio on Friday:
http://www.zimbio.com/T+Mobile+G1+W...+Mobile+G1+Touch+Becomes+G2+Touch+Still+Track
Click to expand...
Click to collapse
The link you provided refers to T-Mobile UK.
The link evilxhwnd provided refers to T-Mobile USA.
T-Mobile UK will be introducing the Hero as the G2 Touch.
T-Mobile USA says they have no plans for the Hero at all.
Post if phone responds to fastboot command (unlock allowed) or nay.
Danish, carrier TDC, fastboot accepted! (bootloader can be unlocked)
(Mac, linux fastboot dont work, windows does)
Ordered without contract or Prepaid SIM "factory unlocked" from GUM Mobile ( http://www.gummobile.com/ ) - Bootloader is unlockable.
Edit: nvm what I just said here. Seemed that with the new android sdk they moved some files from the tools folder to platform-tools folder making fastboot not working properly, just copied all files from platform-tools to the the tools folder.
Getting this:
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Does that mean my bootloader is unlockable?
Dutch, carrier: T-mobile (NL). Should be sim-locked but Can't test it.
Yep! It seems like you got lucky. Yours should be unlockable.
British, carrier Vodafone UK, appears to be unlock-able; tested with t-mobile sim and accepted it fine.
Yours can be unlocked, as it responds to fastboot. Congrats
Sent from my Nexus S using XDA App
i can confirm Tesco mobile (British) is also unlocked,
cant wait to see some mods going on
can some1 post a screenshot of a locked fastboot..
Thank you
Edit : any1 knows whens its Locked and unlocked
i heard its according if phone is Unlocked SIm...
Guys how is this possible if you are all buying from carriers. Don't they simlock there phones?
I hope Rogers keeps theres unlocked.
I think they don't Sim lock some phones in some stores as they sell for both Vodafone and for example Tesco or other carriers.
i haven't had any phone from places like phones4u that has been Sim locked this is before the smartphone stuff tho.
RacecarBMW said:
Guys how is this possible if you are all buying from carriers. Don't they simlock there phones?
I hope Rogers keeps theres unlocked.
Click to expand...
Click to collapse
I work in a mobile phone shop in the UK. Sometimes, the first batch of handsets we have sold are unlocked. This has happened with numerous Android devices (Desire, Desire HD are the ones I know of).
I believe this is due to networks (or carriers if you are non-UK) wanting to get the devices on shelves ASAP.
Does explain why mine didn't come with an app that every new Dutch SE phone would have. Probably a first batch thing indeed.
RacecarBMW said:
Guys how is this possible if you are all buying from carriers. Don't they simlock there phones?
I hope Rogers keeps theres unlocked.
Click to expand...
Click to collapse
In many European countries, carriers are not allowed to SIM-Lock the phones unless they're sold with a pre-paid contract. If they're sold with a regular bill-pay contract, the carrier is not allowed to SIM-Lock them. This is the case in Belgium, I think the Netherlands, Denmark, Germany and Austria. (Altho there are some exceptions like the iPhone). Also, there are a lot of resellers like Carphone Warehouse over here that sell the phones without locks on many different networks. They are not locked because they use the same model for all their contract partners.
Generally, Sim-Locks are a lot more rare in Europe than they are in the US.
In the netherlands simlocks are quite normal. I used to have a simlocked on a phone that didn't come with a contract or anything.
In Belgium on the contrary it's illigal to have a simlock at all, and I believe the same counts for austria but I'm not sure. Belgium Iphones are always without simlock for example.
True, I live in Denmark and my phone is not SIM locked. Yet, it has locked bootloader, doesnt respond to fastboot. So, SIM Llocked is not the only factor deciding if bootloader is locked.
Meister_Li said:
In many European countries, carriers are not allowed to SIM-Lock the phones unless they're sold with a pre-paid contract. If they're sold with a regular bill-pay contract, the carrier is not allowed to SIM-Lock them. This is the case in Belgium, I think the Netherlands, Denmark, Germany and Austria. (Altho there are some exceptions like the iPhone). Also, there are a lot of resellers like Carphone Warehouse over here that sell the phones without locks on many different networks. They are not locked because they use the same model for all their contract partners.
Generally, Sim-Locks are a lot more rare in Europe than they are in the US.
Click to expand...
Click to collapse
Sent from my Nexus S using XDA App
Can you post a screenshot of how a locked bootloader would look like?
Ok, so, fastboot linux and mac didnt see my DK TDC device. However, using Windows i see the device responding so..... for this check use Windowd fastboot (and usb drivers).
Sent from my Nexus S using XDA App
My bootloader can be unlocked.
I got it from KPN netherlands
Mine isnt branded but i dont think there are any branded plays around?
I believe Verizon in the united states was going to brand their plays.
Hi guys, long time reader - finally signed up because I am stumped. I bought my N4 through Virgin Mobile Canada which is HSPA+. It actually works out cheaper than buying it from Google.
first off, yes I searched. alot. Anyways, I have a AT&T sim that I use while traveling in the states that when I put in my N4 and I get the error that "network not available" even while in the USA. Does this mean it is carrier locked? I dont have another micro-sim to try in it and I know the sim is good because it works in my unlocked blackberry.
Everything that I have read regarding locked LG phones says it will give you an error to enter an unlock code when you put in the SIM although it does not. and the code for LG to bring up the unlock screen does not work.
Does anyone know if Virgin locks the N4? There is absolutely no branding / bloat so I didnt figure they had tinkered with it. Thanks!
You need to fiddle around with the APN settings, AT+T is weird that way.
Sent from my Nexus 4 using xda app-developers app
hi, thanks for your reply, that didnt seem to do it though. I found a few on here (tho i cant post the links due to being a noob). Here are some screenshots of the APN settings I used, and the resulting error when I try to change carrier to AT&T:
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Btw, should also mention its A prepaid att GoPhone sim if that makes a difference. Thanks!
i believe some parts of the apn says cingular and not att if im not mistaken...
Sent from my Nexus 4 using xda app-developers app
Sent from my Nexus 4 using xda app-developers app
stock not rooted 4.2.2 Att
Sent from my Nexus 4 using xda app-developers app
Is that for a gophone, or regular att?
regular att phone...should work with a go phone sim...let me see what i can do
Sent from my Nexus 4 using xda app-developers app
I tried the Cingular settings... no dice. I have read though that once you use a go phone sim in a phone att locks your imei to that sim. Any idea if that true?
Btw, I used my sim in a black berry for a few months before getting the n4 so maybe att looked its imei to the sim? That even make sense?
never used a go phone sorry thats all the info i could find at the moment
Sent from my Nexus 4 using xda app-developers app
Any idea if there is a way to verify that my N4 is not locked so that I can completely rule that out as an option? That way I know 100% the problem is with ATT, not with my phone?
well guys, i can confirm that if you buy a nexus 4 through Virgin it is NOT carrier locked.
turns out my problem was that AT&T locked my sim to my old phone. I just called ATT and they unlocked my sim (which was locked to my old blackberry), then I put it in my N4 and it worked! woohoo!!!
Can I use my Nexus 4 on Verizon's LTE?
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subwoofer12 said:
Can I use my Nexus 4 on Verizon's LTE?
Click to expand...
Click to collapse
No. If you bothered to google this question, you would have found about eleventy bazillion links to this question, and they all say no, you can't. Even if Verizon allowed unlocked devices (which they don't), the Nexus 4 is GSM only, and Verizon uses CDMA for calls. No calls, no 3G data, no 4G data, no LTE. Not a sausage. Well, 911, but that's a given.
Planterz said:
No. If you bothered to google this question, you would have found about eleventy bazillion links to this question, and they all say no, you can't. Even if Verizon allowed unlocked devices (which they don't), the Nexus 4 is GSM only, and Verizon uses CDMA for calls. No calls, no 3G data, no 4G data, no LTE. Not a sausage. Well, 911, but that's a given.
Click to expand...
Click to collapse
True Verizon uses CDMA for it's 3G network but the Nexus 4 does have LTE, and Verizon uses Band 4 according to this list, shouldn't this work?
subwoofer12 said:
True Verizon uses CDMA for it's 3G network but the Nexus 4 does have LTE, and Verizon uses Band 4 according to this list, shouldn't this work?
Click to expand...
Click to collapse
NO!
But this would be possible if Verizon allowed unlocked devices, correct? Because both can support 1700 mhz
I know this is regarding the Nexus 5 but I'm assuming it's the same reason:
Verizon is intentionally blocking the Nexus 5 from their network since the Nexus 5 has all the ability to run on Verizon with no issues. The Nexus 5 radio supports all of Verizon's frequency bands. Verizon doesn't like universal service network phones that are new unlocked cell phones they can't lock into that old 2 year services contract scheme that has made them rich
Click to expand...
Click to collapse
subwoofer12 said:
But this would be possible if Verizon allowed unlocked devices, correct? Because both can support 1700 mhz
Click to expand...
Click to collapse
And if a frog had wings it wouldn't bump his ass when he hopped.
But yeah, if Verizon ever allowed unlocked phones, theoretically it might be possible to get LTE working on it. But the Nexus 4 doesn't have CDMA, which Verizon uses for telephony, so you wouldn't be able actually use it as a phone.
subwoofer12 said:
Can I use my Nexus 4 on Verizon's LTE?
Click to expand...
Click to collapse
No................ uses CDMA for it's 3G network but the Nexus 4 does have LTE, and Verizon uses Band 4 according to this list,
I am curious if there is going to be any reception problems or internet compatibility in these 2 versions? Or is the only difference is you have the dual sim and it's unlocked out of the box?
molitar said:
I am curious if there is going to be any reception problems or internet compatibility in these 2 versions? Or is the only difference is you have the dual sim and it's unlocked out of the box?
Click to expand...
Click to collapse
Looks like same
https://forums.oneplus.com/threads/steps-forward-oneplus-6t-and-t-mobile-partnership.933398/
ram4ufriends said:
Looks like same
https://forums.oneplus.com/threads/steps-forward-oneplus-6t-and-t-mobile-partnership.933398/
Click to expand...
Click to collapse
Nice,this link should be stickied plastered at the top of each OnePlus 6T page.................. :good:
FAQS
Does T-Mobile offer all versions of the OnePlus 6T?
T-Mobile will be offering a specific OnePlus 6T, it is the 128GB, 8GB RAM, Mirror Black. For more information, see below: comparison chart:
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*OnePlus 6Ts purchased through T-Mobile are locked to the T-Mobile Network until the device is paid in full and utilized on their service for 40 continuous days. For more information, see here.
https://support.t-mobile.com/docs/DOC-1588
**The device must be network unlocked. For more details, see here.
https://support.oneplus.com/app/ans...-bootloader-for-oneplus-6t-(t-mobile-version)
Where can I find out more about the launch promotion for the OnePlus 6Ts available at T-Mobile?
Follow this link www.t-mobile.com/oneplus
Can I use the T-Mobile OnePlus 6T on another wireless provider?
Once the device is fully paid off to T-Mobile, a user can then request T-Mobile to SIM unlock their device for use domestically or internationally. (*please refer to https://support.t-mobile.com/docs/DOC-1588 for full details)
Can I buy accessories for the OnePlus products at T-Mobile?
At the initial launch, only a few locations will have on-hand accessories for purchase. All accessories will be available on OnePlus.com
What if I want a fully unlocked device?
Once we launch the device via OnePlus.com you can order the fully unlocked device in any product variant (128GB/256GB, 6GB/8GB RAM, Mirror Black/Midnight Black).
Can I do a payment plan for any OnePlus 6T?
Only the OnePlus 6T at T-Mobile will be eligible for an Equipment Installment Plan, subject to T-Mobile’s financing terms and conditions.
Will the OnePlus 6Ts available through T-Mobile receive software updates at the same time as the Global versions?
OnePlus and T-Mobile are partnering to bring all the great future feature enhancements and fixes to both sets of devices in a timely manner as possible. Due to the additional level of certification required by T-Mobile on all software releases, there may be a slight offset but we are working diligently to minimize this period in all instances.
Will the OnePlus 6Ts purchased at T-Mobile be eligible for the Beta Program?
T-Mobile OnePlus 6Ts will not be eligible for the Beta Program.
Where can I get more details on the T-Mobile OnePlus 6T?
Please refer to www.t-mobile.com/oneplus
The phones are the same only difference is the T-Mobile model has one sim slot, a locked bootloader , one color and memory option.
Sent from my iPhone using Tapatalk
hmm.. sounds like it is Oneplus than as I am looking at most likely the 256GB version.