Flashing vs Unlocking - AT&T Samsung Galaxy S 4 Q&A, Help & Troubleshootin

Hi!
I want to get a Samsung Galaxy S4 but I was wondering if I could just flash it?
In exemple:
I get a T-Mobile phone and I want to get it to work on AT&T network, can I flash the ROM so it recognizes the new sim card or unlocking it is really required?
Thanks =)
Sent from my iPhone 5S using Tapatalk

You need to sim unlock. Flashing a rom won't do it.
Sent from my Nexus 5 using XDA Free mobile app

Thanks a bunch!!
Sent from my iPhone 5S using Tapatalk

Related

From ICS to GB

Hi all,
I'm getting the i9300 on release and giving my i9000 to my wife.
Before giving it to her j plan on flashing the latest stock, non root GB ROM.
Just wondering am I able to unlock the device or would I need a root kernel like chain fire (stock root) to unlock?
Cheers in advance!
Sent from my GT-I9000 using XDA
Is the phone locked?
What rom do you have on it now?
If you flash an earlier rom from your carrier there shouldn't be a problem.
Sent from my GT-I9000 using Tapatalk 2
kinghorsey said:
Is the phone locked?
What rom do you have on it now?
If you flash an earlier rom from your carrier there shouldn't be a problem.
Sent from my GT-I9000 using Tapatalk 2
Click to expand...
Click to collapse
I'm in ICS cyanogen 9.
I'm not worried about flashing back to GB, its the unlock I'm not sure about. My SIM is O2 contract and hers is O2 pay and go... I remember the iPhone not working with her sum before and had to unlock that...
Sent from my GT-I9000 using XDA
On Samsung based roms the status of any locks is shown in Engineering Mode:
*#7465625# (phone keys)
it will work
o2 doesn't lock their contract phones

hi guys

Hello, I just got a s4 and I love it. Where I got it said it is unlocked. Now how can I check to see if it is truly unlocked. Also is there like a easy guide to rooting it?:laugh:
Try a different carriers sim. It's the only way to check if it's unlocked
For rooting http://forum.xda-developers.com/showthread.php?p=55338138
Sent from my Nexus 5 using XDA Free mobile app

Verizon to AT&T conversion?

I have a Verizon S4 that is currently unlock and works on AT&T network, but I will like to have a Full AT&T Rom in it, Can I just install a ROM from the development section? or even use Odin to get a Full Stock AT&T Rom in it?
thanks.
http://forum.xda-developers.com/showthread.php?p=41834056
Sent from my GT-I9505G using XDA Free mobile app
What the hell? My reply dissapeared?
Sent from my Galaxy S4 using Tapatalk

Unlock Sim Card Question

I'm looking for information how to unlock my phone sim card to use it with another carrier.
Sprint
Galaxy S7 Edge
SM-G935P
Any help...
Sent from my Nexus 6 using Tapatalk
jonathanrvs15 said:
I'm looking for information how to unlock my phone sim card to use it with another carrier.
Sprint
Galaxy S7 Edge
SM-G935P
Any help...
Click to expand...
Click to collapse
There's a thread here of a guy doing it for free. Go there
He already try but it failed. That's why I keep looking.
Sent from my Nexus 6 using Tapatalk
jonathanrvs15 said:
I'm looking for information how to unlock my phone sim card to use it with another carrier.
Sprint
Galaxy S7 Edge
SM-G935P
Any help...
Sent from my Nexus 6 using Tapatalk
Click to expand...
Click to collapse
Which firmware version were you on when he tried? I believe you have to be on an older firmware first like PC5 before it'll work.
Flash your phone to PC5 and try again.
Sent from my SM-G935U using Tapatalk

Unlocked on AT&T

Hello, I just bought an HTC 10 from someone, its unlocked,S-off, and rooted. Currently running NuSense 7.0 with no issues. ATT installed my nano sim, set up APNs and I get 4gLTE. Question is..can I also run US unlocked roms as well?!? Change firmware and/or radios?! If not, could someone direct me in what and how to do it being I'm on ATT?! Thank you for your time.
Sent from my HTC6545LVW using Tapatalk
Vindicated777 said:
Hello, I just bought an HTC 10 from someone, its unlocked,S-off, and rooted. Currently running NuSense 7.0 with no issues. ATT installed my nano sim, set up APNs and I get 4gLTE. Question is..can I also run US unlocked roms as well?!? Change firmware and/or radios?! If not, could someone direct me in what and how to do it being I'm on ATT?! Thank you for your time.
Sent from my HTC6545LVW using Tapatalk
Click to expand...
Click to collapse
Yeah you can fully convert to unlocked ruu and then run unlocked based roms. In fact it would probably be better in your case.
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dottat said:
Yeah you can fully convert to unlocked ruu and then run unlocked based roms. In fact it would probably be better in your case.
Sent from my HTC6545LVW using Tapatalk
Click to expand...
Click to collapse
Thanks. I'll do some searching around the forums to see how its all done.
Sent from my HTC 10 using Tapatalk
By the way. The 10 I bought is Verizon branded. Is this still possible to RUU to US Unlocked? I forgot to mention that. Thanks.
Sent from my HTC6545LVW using Tapatalk
Nevermind. I've read through the forums. Found the info. Us unlocked super cid running viper nougat on ATT flawlessly.
Sent from my HTC 10 using Tapatalk

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