An unlocked phone may be locked again? - Upgrading, Modifying and Unlocking

I got an unlocked at&t fuze(touch pro) few days ago. I don't know how it was unlocked. I wonder if it may be locked sim again after upgrading a rom or radio?

Nope man. I think it has to do with the radio or something like that, not the ROM. But to be safe lets hear what more knowledgeable members have to say.

new roms or even radio roms don't relock phones

Fuse locked or unlocked?
How do I confirm that the phone I bought that was suposed to be unlocked actually is?
Thanks

You can install all roms that u want... and if you want to relock your phone, you have to do the work with a separate tool

Related

Unlocking the Rogers bootloader?

I've been trying to unlock my Rogers Arc's bootloader for a while now and it doesn't seem to be working. I've flashed WWE firmware that wasn't Rogers branded and I still can't get into fastboot mode. Is there any other way of unlocking the Rogers Arc's bootloader?
By definition, Rogers branded phones can't have unlocked bootloaders (as I posted in the other thread, blagus is trying to work around this)
Just want to add that SIM-unlocking your phone won't make a difference either. I thought doing so along with un-branding it would allow me to unlock the bootloader, but I was wrong.
DemonicHawk said:
Just want to add that SIM-unlocking your phone won't make a difference either. I thought doing so along with un-branding it would allow me to unlock the bootloader, but I was wrong.
Click to expand...
Click to collapse
Wish it were true, but it's also bad logic.
SIM/network unlocking is independent of any software/firmware/bootloader.
The bootloader is loaded before any firmware/ROM (i.e. generic/debranded) meaning that altering anything on top of it wouldn't have an affect.
Right now, there's almost no reason to unlock the bootloader anyways. There are no custom ROMs available yet so the only reason would be to root 2.3.3 which can't be rooted with Gingerbreak.
Maybe this can help you? I haven't tried yet, but will do soon.
http://forum.xda-developers.com/showthread.php?t=1115989

[Q] Bootloader Unlockable consequences

I'm not the only semi-noob out here. I'm sure not many of us fully understand the consequences of having an XZL that won't let you unlock the bootloader. So...
If you cannot unlock your bootloader, what are the ramifications? Will the number of available custom roms be fewer? Can we have no custom roms at all?
Also, how can you ensure that you get an unlockable phone. I'm in canada, if I order the XZL through Bell, am I 100% certain to get a phone that wont let you unlock the bootloader? Do I have to buy the full thing off contract if i want an unlockable bootloader?
myman98 said:
I'm not the only semi-noob out here. I'm sure not many of us fully understand the consequences of having an XZL that won't let you unlock the bootloader. So...
If you cannot unlock your bootloader, what are the ramifications? Will the number of available custom roms be fewer? Can we have no custom roms at all?
Also, how can you ensure that you get an unlockable phone. I'm in canada, if I order the XZL through Bell, am I 100% certain to get a phone that wont let you unlock the bootloader? Do I have to buy the full thing off contract if i want an unlockable bootloader?
Click to expand...
Click to collapse
even if you buy the phone from bell off contract the bootloader will still be locked
i live in toronto and ordered the zl online and i already have unlocked my bootloader
as for roms there are some that can still work but yes it limits the customization that you can acheive with an unlocked bootloader
sirsmokey said:
even if you buy the phone from bell off contract the bootloader will still be locked
i live in toronto and ordered the zl online and i already have unlocked my bootloader
as for roms there are some that can still work but yes it limits the customization that you can acheive with an unlocked bootloader
Click to expand...
Click to collapse
hi mate, just wonder whether you still have BE2 & Walkman after unlocking BL?
edit: got the answer.

Bootloader Locked

hello,
i have a Xperia S LT26i here wich is Sim Locked to T-Mobile Austria. Is there any way to unlock this SimLock. I have an Locked Bootloader wich is making a lot of trouble.
Can somybody help me maybe with this problem. My Phone is actually rooted, but still SimLocked.
And it would be also fine if there is any free version to do this. I dont want to spend money for an 2 yrs old phone, i just want it unlocked for my father so he can use it now.
Kind regards.

Rooting Unlocked Phone Question

I have an ATT phone currently unlocked and using it on T-Mobile. I want to root and use it on T-Mobile, but Im a little nervous that once I root, and wipe everything, the phone will be re-locked to ATT. So my question is, once I root will I lose my carrier un-lock?
It might be helpful to clarify a couple of things. It sounds like you're currently SIM-unlocked (thus able to use your AT&T branded M9 on T-Mobile). Are you currently bootloader-locked and want to unlock it so you can root? Or are you already bootloader unlocked?
Rooting definitely does not wipe/re-lock anything. Unlocking your bootloader triggers a system wipe. My understanding is that once your phone is SIM-unlocked, system wipes don't affect your phone's SIM status.
Sorry for the confusion. I am currently sim unlocked, and I want to bootloader unlock. However, before I unlock my bootloader, I want to make sure that I wont re lock my sim. My ultimate goal is to unlock bootloader in order to root, but I dont want to relock my carrier to ATT. Yes, it is an ATT phone and I'm using it on T-Mobile.
I'm pretty sure that unlocking the boot loader will not affect your SIM-unlocked status.
But if it were me, I would want a more definitive answer than that.
Another forum member may be able to answer for sure. In the meantime, consider asking HTC directly via their chat system. I've found them friendly and straightforward.
random155 said:
I have an ATT phone currently unlocked and using it on T-Mobile. I want to root and use it on T-Mobile, but Im a little nervous that once I root, and wipe everything, the phone will be re-locked to ATT. So my question is, once I root will I lose my carrier un-lock?
Click to expand...
Click to collapse
No you won't lose your unlocked network status.
The unlock once done is permanent.
There was one a while ago on the s3, an app, which was unofficial and I lost that a few times between flashes, but I don't think you'll have that issue.
Thank You. Unlocked boot loader, rooted and still have sim-unlock.

Is my model unlocked or not, and other stuff

Hi all,
I have a HTC that when I bought it, they SAID it should have been unlocked but I don't know if that means my bootloader is unlocked or something else. how can I tell if my model is unlocked model (model is just HTC 10 and I don't have any provider software installed on it either) ... I mainly ask as Android 7 was released to unlocked HTC 10 last year but I got no OTA notifications that it is ready for me.
Also if this doesn't mean that the bootloader unlocked and I need to go through it at HTCDev, then I believe this will wipe the phone... so I need to backup my stuff before I can unlock the bootloader, so I can root my phone, so I can install my backup stuff (Titanium Backup) any help on this one? i'm used to Samsung so the changes in how things work I'm still getting my head around.
Nobody knows? Is this the correct part of the forums to ask this sort of question? I didn't want to post in the wrong section and this seemed to be the closest fit.
aerospyke said:
Hi all,
I have a HTC that when I bought it, they SAID it should have been unlocked but I don't know if that means my bootloader is unlocked or something else. how can I tell if my model is unlocked model (model is just HTC 10 and I don't have any provider software installed on it either) ... I mainly ask as Android 7 was released to unlocked HTC 10 last year but I got no OTA notifications that it is ready for me.
Also if this doesn't mean that the bootloader unlocked and I need to go through it at HTCDev, then I believe this will wipe the phone... so I need to backup my stuff before I can unlock the bootloader, so I can root my phone, so I can install my backup stuff (Titanium Backup) any help on this one? i'm used to Samsung so the changes in how things work I'm still getting my head around.
Click to expand...
Click to collapse
When you buy a phone and if seller says that phone is unlocked it usually means "carrier/sim unlocked". Your phone might be carrier unlocked, but bootloader unlock is different. When you unlock bootloader than phone gets wiped. Google servers usually backup your apps and some data, but videos/music/photos I backup on my PC by connecting phone to a computer and copying files to a folder.
If you bought directly from HTC w/o purchasing through a carrier (such as Sprint, AT&T, Verizon), then you have an "Unlocked Model". That's completely different from having an unlocked bootloader, which is not necessary to get the Nougat update. If you have an unlocked (carrier-free) HTC 10, then you should be able to get the update. I restored mine to stock, and was able to update to 7.0. It's possible that it's not available in your country yet, or that there's some funny software glitches occurring.
Hope that helps!
Thanks all for the confirmation. So from that I do know from when I got my phone, which was only 4 weeks ago, and no modifications to it whatsoever
a) my phone is carrier unlocked
b) I need to unlock my bootloader but to do that I need to backup my app data, Google didn't backupt he app data when I migrated phones, so all my apps were empty and brand new when it all restored to my new phone... oh well.
c) whilst i SHOULD be eligible for nougat as I have a carrier unlocked HTC 10, perhaps it isn't available in Australia for HTC yet. My colleague who has a pixel XL is still rubbing it in my face that he has 7.1.1 already
Thanks
aerospyke said:
Thanks all for the confirmation. So from that I do know from when I got my phone, which was only 4 weeks ago, and no modifications to it whatsoever
a) my phone is carrier unlocked
b) I need to unlock my bootloader but to do that I need to backup my app data, Google didn't backupt he app data when I migrated phones, so all my apps were empty and brand new when it all restored to my new phone... oh well.
c) whilst i SHOULD be eligible for nougat as I have a carrier unlocked HTC 10, perhaps it isn't available in Australia for HTC yet. My colleague who has a pixel XL is still rubbing it in my face that he has 7.1.1 already
Thanks
Click to expand...
Click to collapse
c) Yeah Nougat is only available for U.S Unlocked (and tmobile as of today) thus far.
Tarima said:
c) Yeah Nougat is only available for U.S Unlocked (and tmobile as of today) thus far.
Click to expand...
Click to collapse
Rats..... i'll just keep waiting, or wipe my device unlocking the bootloader so I can flash a custom ROM like Viper or the like. Decisions. Wonder when the rest of the world will get the update
aerospyke said:
Rats..... i'll just keep waiting, or wipe my device unlocking the bootloader so I can flash a custom ROM like Viper or the like. Decisions. Wonder when the rest of the world will get the update
Click to expand...
Click to collapse
Australia is usually last to get the update.

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