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[Q] Sony Xperia U network unlock

It's probably a n00b question so apologies in advance, but if I root / bootloader unlock and Cyanogenmod flash an Android phone that's locked to a certain network, will that network lock be removed along with the official default Android ROM? Or is the lock at something like a BIOS level (or whatever the smartphone equivalent of a BIOS is)?
I bought a pre-unlocked Xperia U about a year ago that I've been using on Vodafone and had to return it under warranty (got stuck in a boot loop despite the fact that it's totally unmodified, not even rooted, honest!) and the replacement they sent back is locked to Virgin Mobile. They're telling me that the phone I sent them was originally sold to Virgin in France and locked to Virgin before I bought it, and that they've therefore fulfilled their responsibility. So I'm just wondering now about unlocking, and I've always been curious anyway about how / if bootloader unlocking, custom ROMs etc are related to network unlocking.
Thanks in advance for any help you can provide with this!

Bump The First

splscs said:
It's probably a n00b question so apologies in advance, but if I root / bootloader unlock and Cyanogenmod flash an Android phone that's locked to a certain network, will that network lock be removed along with the official default Android ROM? Or is the lock at something like a BIOS level (or whatever the smartphone equivalent of a BIOS is)?
I bought a pre-unlocked Xperia U about a year ago that I've been using on Vodafone and had to return it under warranty (got stuck in a boot loop despite the fact that it's totally unmodified, not even rooted, honest!) and the replacement they sent back is locked to Virgin Mobile. They're telling me that the phone I sent them was originally sold to Virgin in France and locked to Virgin before I bought it, and that they've therefore fulfilled their responsibility. So I'm just wondering now about unlocking, and I've always been curious anyway about how / if bootloader unlocking, custom ROMs etc are related to network unlocking.
Thanks in advance for any help you can provide with this!
Click to expand...
Click to collapse
well u can unlock it.. by getting the code from sony..
It will also unlock the ph..'s Sim lock..
Or ask the sony officialy for this.. they'll provide u every info required.
But unlocking the bl will do the job for you to be sim free
But do double check this from google too.
Also before unlocking pls make a backup as it will wipe everything from the device.
Just unlock and don't flash any custom kernels.If you want to then do it carefully pls with a backup and a copy of flashable stock rom.
Flash custom roms based on stock kernels
Hope this will answer the query..

Thanks for your reply! I spoke to Sony and they just told me to contact the network (which have done and they're wanting to charge me a fee to provide the unlock code). So to clarify, if I root the phone and unlock the bootloader, the network SIM lock will also be removed?

splscs said:
Thanks for your reply! I spoke to Sony and they just told me to contact the network (which have done and they're wanting to charge me a fee to provide the unlock code). So to clarify, if I root the phone and unlock the bootloader, the network SIM lock will also be removed?
Click to expand...
Click to collapse
Not by rooting but also i guess not even by unlocking bl..
how much are they charging exactly..
i'll try to find the link for this
Also check this that how many times is the code applied for unlocking..it should not be 0
use this *#*#7378243#*#* in dialer
then service info sim lock

ADDICT.ANK said:
Not by rooting but also i guess not even by unlocking bl..
how much are they charging exactly..
i'll try to find the link for this
Also check this that how many times is the code applied for unlocking..it should not be 0
use this *#*#7378243#*#* in dialer
then service info sim lock
Click to expand...
Click to collapse
When I dial that number, the number just disappears. What is it for? They want £15.32 for the code. Should I just pay them and forget about trying to remove the lock?

splscs said:
When I dial that number, the number just disappears. What is it for? They want £15.32 for the code. Should I just pay them and forget about trying to remove the lock?
Click to expand...
Click to collapse
Sorry the code is this
*#*#7378423#*#*
check the sim lock counters should be zero in all..
if zero then once u can try googling the code for unlocking if they work then it's great.
if not then it would be better to pay them for this as its a bit risky..
and are u using virgin's network??
As it's cheaper what they areaskingfor i guess.

ADDICT.ANK said:
Sorry the code is this
*#*#7378423#*#*
check the sim lock counters should be zero in all..
if zero then once u can try googling the code for unlocking if they work then it's great.
if not then it would be better to pay them for this as its a bit risky..
and are u using virgin's network??
As it's cheaper what they areaskingfor i guess.
Click to expand...
Click to collapse
Thanks, I'll give it a try! And nah I use Vodafone. Virgin has no signal at all in my area.

How bypass TMobile Unlock App & get Prompt to enter Network Unlock Code / IMEI unlock

How bypass TMobile Unlock App & get Prompt to enter Network Unlock Code / IMEI unlock
Can't seem get the phone to prompt for to Enter Network Unlock Code or IMEI unlock input anywhere after I put a different carrier sim or invalid sim. Is there anyway we can bypass the 3rd Party Tmo Unlock App or get the phone to bypass to enter the network unlock code? The phone is already Rooted running on various ROM such as Darthstalker, Resurrection and Dr, Ketan L2 and also Rooted Stock ROM, but noting seem to get the sim to prompt to enter network unlock. Try Build.Prop nothing there...so far. Try Deleting sys file, apk and other Efs nothing work.... Do I need to change or install a new Baseband/Radio/Modem?

Its built into the T-Mobile based roms if I'm not mistaken. If you flashed an international rom I would think it would go away and you could get the standard unlock prompt. Thats how others have done it in the past. They flashed MetroPCS roms and then unlocked and then flashed back. Make sure its safe to flash an international rom first (even if only temporary).

Has anyone been able to try this successfully?

HJJkid0131 said:
Has anyone been able to try this successfully?
Click to expand...
Click to collapse
Has no one been able to bypass this stupid iPhone-iCloud-like BIG BROTHER unlock stopper??? I can't enter the network unlock code because there in no prompt for it!

how to input unlock code if not promoted to with invalid sim..
Samo+Pro said:
Can't seem get the phone to prompt for to Enter Network Unlock Code or IMEI unlock input anywhere after I put a different carrier sim or invalid sim. Is there anyway we can bypass the 3rd Party Tmo Unlock App or get the phone to bypass to enter the network unlock code? The phone is already Rooted running on various ROM such as Darthstalker, Resurrection and Dr, Ketan L2 and also Rooted Stock ROM, but noting seem to get the sim to prompt to enter network unlock. Try Build.Prop nothing there...so far. Try Deleting sys file, apk and other Efs nothing work.... Do I need to change or install a new Baseband/Radio/Modem?
Click to expand...
Click to collapse
Use "shortcut master lite" or paid version its up to you..from app store and launch the 7465625 codes press the ones that show perso <android_unlock_code it should bring up what u need..hope this helps someone. .?I have the core prime from metro..and it works to let me put in the code..only I don't have the code..☺I found out about this app when I had the S5..
I

It can't be avoided. You must unlock through the app. If you install a custom ROM, and are able to get an unlock prompt from the phone, the code you buy over the internet will not work. You are best to go through the unlocking tools which cost between 25-30 and will let you unlock it with the T-mobile app.

Dude here can unlock it for free. Search the forum. Title "Sim unlock - domestic and international"

Here's the link for that.
http://forum.xda-developers.com/showthread.php?t=3196964

No Unlock Code needed
Samo+Pro said:
Can't seem get the phone to prompt for to Enter Network Unlock Code or IMEI unlock input anywhere after I put a different carrier sim or invalid sim. Is there anyway we can bypass the 3rd Party Tmo Unlock App or get the phone to bypass to enter the network unlock code? The phone is already Rooted running on various ROM such as Darthstalker, Resurrection and Dr, Ketan L2 and also Rooted Stock ROM, but noting seem to get the sim to prompt to enter network unlock. Try Build.Prop nothing there...so far. Try Deleting sys file, apk and other Efs nothing work.... Do I need to change or install a new Baseband/Radio/Modem?
Click to expand...
Click to collapse
You DON"T need an Unlock code for these new Samsung Tmobile phones.
If the phone has been paid off for over 30 days then you can use the free "Tmobile Device Unlock" app to unlock
it and if the phone is STOCK and no one deleted the unlock app it should be in the app drawer of the phone.
If the "Device Unlock" app is not in the app drawer then you can simply download it from the playstore.
To unlock it with the unlock app it only takes one click.
The Device Unlock app will NOT ask for any codes at all it only asks if you want temporary or permanent unlock.
Here is the direct playstore link for the Tmobile Device Unlock app in case you need it.
https://play.google.com/store/apps/d....simlock&hl=en
Here is Tmobile's "Device Unlock" step by step instruction link in case you need it:
https://support.t-mobile.com/docs/DOC-14011
I unlocked my Tmobile S6 Edge+ and when I go into Settings>Mobile networks and click on
"Network operators" then click "Search Now" it displays Tmobile, AT&T and Verizon as options.
P.s. If the Unlock Device app does NOT unlock your phone it means that it's either not paid off or it has been stolen. (Blacklisted)
Good luck,
Have a great day!

Or, you can use a third party unlocking service like UnlockRadar.com. Here is a link: https://www.unlockradar.com/service/t-mobile-usa-device-unlock-app-official-unlock

In need of help!!! I have a tmobile note 5 can you unlock it please
wdkingery said:
Dude here can unlock it for free. Search the forum. Title "Sim unlock - domestic and international"
Click to expand...
Click to collapse
Can you help me with unlocking my Note 5 the carrier is tmobile

vd

obliviousmnd said:
Please everyone do NOT pay for a SIM unlock. I will do it for free. You're welcome to donate after if you want to be nice but it's not required. Please message me on hangsouts. [email protected]. do not email me please, message on hangouts, I will ignore emails.
Click to expand...
Click to collapse
You are a lier
i try many times to contact you but never answer..
dont promisse something you wont do it...

Here's my question on this topic. I have flash numerous rims on my TMO note5 and the device unlock app just says it is incompatible and stops there. I know when I put completely stock note5 that I have used the unlock app and it successfully unlocked the phone. After I flashed the rims, the app does not work but I also loose unlock. Anyone else have this issue or know what to do to get unlock back with a custom rom?

TEXASTRYKER said:
You are a lier
i try many times to contact you but never answer..
dont promisse something you wont do it...
Click to expand...
Click to collapse
Hey. I am sorry i cannot drop everything I am doing to perform a FREE service for you. gtfoh with that entitlement garbage. I do this for people when i'm at my computer when they write me. I go to school full time and hold a full time job. PAY SOMEONE to unlock your phone if you need immediate service. ffs you're the type of person that ruins free services for everyone.

obliviousmnd said:
Hey. I am sorry i cannot drop everything I am doing to perform a FREE service for you. gtfoh with that entitlement garbage. I do this for people when i'm at my computer when they write me. I go to school full time and hold a full time job. PAY SOMEONE to unlock your phone if you need immediate service. ffs you're the type of person that ruins free services for everyone.
Click to expand...
Click to collapse
Sadly this is true! The people who think they are entitled to everything and anything are ruining a lot of stuff for everyone else! A lot of devs just gave up and left because of people like this and crybabies who don't read first before doing something to their phone and then suddenly their incompetence is somehow the devs fault!? People need to grow up already.. Seriously!

DriftorX said:
Here's my question on this topic. I have flash numerous rims on my TMO note5 and the device unlock app just says it is incompatible and stops there. I know when I put completely stock note5 that I have used the unlock app and it successfully unlocked the phone. After I flashed the rims, the app does not work but I also loose unlock. Anyone else have this issue or know what to do to get unlock back with a custom rom?
Click to expand...
Click to collapse
I'm having the same issue with mine.

Im on a t mobile v10 and managed to get promted to enter a sim network unlock pin but i dont know how to actually get the network unlock code already tried asking the unlocking services ppl and they just refuse to belive you can actually get prompted to enter code.

I have a new ZTE z981 I have obtained a unlock code but how do I get the phone to prompt to enter the said code

Your wrong I got the T-mobile Galaxy S8 to ask for network unlock code

Sim unlock solution developmet for T-Mobile S7 G930T

Hello everyone
Here's my problem and my idea:
I bought T-Mobile Galaxy S7 on ebay about a week ago (Stock QC1 firmware) and now I'm in need of sim unlock, which I can't, my device's unlock fails every time through Device Unlock app
I've searched through the web past two days and found no solution whatsoever. Every service is down for now and I cannot find any ways to unlock my phone.
So, here's what I thought: Maybe here's someone who can actually develop or figure out a solution for this since many solutions are available for S6/S6e and many other t mobile phones, but not for S7.
I can be tester and provide any files/dumps if needed or anything you guys ask.
I believe I'm not the only one with this problem and if we try hard enough, we can do this. Many people can benefit from this also, so let's be useful.
To mods, if you believe this is a wrong place to post this thread, please move it where it belongs.
Thanks to you all.

So your idea is just to look at other device solutions? [emoji1]
Sent from my iPhone using Tapatalk

I guess that's the part of it
Cheers

We probably wont see a direct unlock solution on these T-Mobile/MetroPCS QUALCOMM based Galaxys for some time. The older models you mentioned are Exynos based CPUs, they are being unlocked all the time. Unlock app or trusted server for imei unlock is our only solutions for now.
Sent from my SM-N920P using Tapatalk

installerrev said:
Hello everyone
Here's my problem and my idea:
I bought T-Mobile Galaxy S7 on ebay about a week ago (Stock QC1 firmware) and now I'm in need of sim unlock, which I can't, my device's unlock fails every time through Device Unlock app
I've searched through the web past two days and found no solution whatsoever. Every service is down for now and I cannot find any ways to unlock my phone.
So, here's what I thought: Maybe here's someone who can actually develop or figure out a solution for this since many solutions are available for S6/S6e and many other t mobile phones, but not for S7.
I can be tester and provide any files/dumps if needed or anything you guys ask.
I believe I'm not the only one with this problem and if we try hard enough, we can do this. Many people can benefit from this also, so let's be useful.
To mods, if you believe this is a wrong place to post this thread, please move where it belongs.
Thanks to you all.
Click to expand...
Click to collapse
I stand with you. I think a bounty would be appropriate. I go loads of s7 and s7 edge to unlock. I may be at a huge loss if no unlock comes
---------- Post added at 10:13 PM ---------- Previous post was at 10:12 PM ----------
stuntman112 said:
We probably wont see a direct unlock solution on these T-Mobile/MetroPCS QUALCOMM based Galaxys for some time. The older models you mentioned are Exynos based CPUs, they are being unlocked all the time. Unlock app or trusted server for imei unlock is our only solutions for now.
Sent from my SM-N920P using Tapatalk
Click to expand...
Click to collapse
I believe of we have alot of people working toward it something interesting would come out if it. Considering s8 is also there, more people Wil be requiring unlock. It's only a matter of time

Factory reset your phone, then try to use the device unlock. You can select temporary unlock or permanent unlock. Once you are done you will have a sim unlocked device.

stuntman112 said:
We probably wont see a direct unlock solution on these T-Mobile/MetroPCS QUALCOMM based Galaxys for some time. The older models you mentioned are Exynos based CPUs, they are being unlocked all the time. Unlock app or trusted server for imei unlock is our only solutions for now.
Sent from my SM-N920P using Tapatalk
Click to expand...
Click to collapse
Actually, MetroPCS s7 & s7e device unlock is available for $20 and Qualcomm S6 and below is also unlockable, there are many remote unlock services on ebay/various websites for those devices.
I've been* trying to unlock my S7 since April but no luck.
I know this issues with t-mobile Quallcomm Galaxys are about locked bootloader but that's the only thing I found out.
If someone can make bounty pool or something similar, I would gladly participate.
*edit

KillerClaw321 said:
Factory reset your phone, then try to use the device unlock. You can select temporary unlock or permanent unlock. Once you are done you will have a sim unlocked device.
Click to expand...
Click to collapse
Lol. How many factory resets required? I still haven't gotten unlocked.

jazzdglass said:
Lol. How many factory resets required? I still haven't gotten unlocked.
Click to expand...
Click to collapse
You using the latest version not rooted?

KillerClaw321 said:
You using the latest version not rooted?
Click to expand...
Click to collapse
Yup. I'm on android 7.0. I could go back to 6.0.1 too. Why do you think this is a method to unlock? You need to connect to Tmobile database to unlock. Merely factory reset won't do anything. It's all in the cloud

jazzdglass said:
Yup. I'm on android 7.0. I could go back to 6.0.1 too. Why do you think this is a method to unlock? You need to connect to Tmobile database to unlock. Merely factory reset won't do anything. It's all in the cloud
Click to expand...
Click to collapse
I know, however when I had issues with the device unlock app a fresh install of the latest version worked and I was able to temporarily unlock for a month.

I did it just now after a factory reset, rooted and running no BS Rom...

T-mobile
I went through the same ordeal. I had to actually call t-mobile and get a representative to unlock it using the phone's IMEI number so it could be used on all carriers. Call them, I'm sure they will unlock it for you. That t-mobile unlock app doesn't do anything. Also under developer options, you need to check OEM unlock before you call t-mobile.
-Just my two cents, Bob

KillerClaw321 said:
I know, however when I had issues with the device unlock app a fresh install of the latest version worked and I was able to temporarily unlock for a month.
Click to expand...
Click to collapse
My device asks for active cellular connection in order to get temporary unlock, but I can't get carrier signal since phone is locked.... are you T-Mobile customer and were you using their sim card? I am not.
Boobteg4642 said:
I went through the same ordeal. I had to actually call t-mobile and get a representative to unlock it using the phone's IMEI number so it could be used on all carriers. Call them, I'm sure they will unlock it for you. That t-mobile unlock app doesn't do anything. Also under developer options, you need to check OEM unlock before you call t-mobile.
-Just my two cents, Bob
Click to expand...
Click to collapse
Called them maybe 10 times, even used their facebook page. Every single customer representative said phone is fully paid and nothing is blocking it but they can't help me because I'm not actual / original phone owner on their database, and person I purchased this phone from has no idea what unlock is, he's impossible to deal with. Maybe you have any tips for me?
Thank you everybody for taking your time and helping us.

Just a quick update, I just flashed latest G930U firmware and after SIM card insertion, phone asks for unlock code, which of course I have no idea what it is

KillerClaw321 said:
I did it just now after a factory reset, rooted and running no BS Rom...
Click to expand...
Click to collapse
I think you and @boobteg have a paid off devices eligible for unlock. What you need to know ow is that the device unlock app doesn't work on custom roms. It requires a stock rom. There are some of us who are not eligible for unlock.

Any progress?

none so far

Same Solution
Hi! im having the same problem, i cant unlock my s7 tmobile with device unlock app, every place i try say it that the service is down. II flashed with the g930U, now the smartphone ask me for an unlock code, there is anyway to find that "unlock code" to unlock the phone in this way? Or maybe installing an non stock rom is possible to unlock the phone?
Help!! i cant use it in my actually country

morpheus1978 said:
Hi! im having the same problem, i cant unlock my s7 tmobile with device unlock app, every place i try say it that the service is down. II flashed with the g930U, now the smartphone ask me for an unlock code, there is anyway to find that "unlock code" to unlock the phone in this way? Or maybe installing an non stock rom is possible to unlock the phone?
Help!! i cant use it in my actually country
Click to expand...
Click to collapse
For now, no way to unlock..

Lg phoneix 3 att pay as you go root

I was wondering if anyone has started on root for this phone and if so could u help me in getting started I have tried kingoroot and kingroot apk with no luck next step on my agenda is running pc version to see if I can get at least temp root. But in the day I've had my phone I've only found out how to get safe mode, no fastboot or download mode im aware of for testing with adv by me. Its lg m150 running nougat 7.0 any steps you have taken so far will be great to know before I try and dig in phone And screw something up.

still waiting
i also am looking for posible root for this phone have tried just about every tool on the market with no luck . we need some help with this phone please .
LGE LG Phoenix 3 LG-M150

I would follow this thread and see if anyone finds anything, but I wouldn't hold my breath. LG is good at locking devices up, as is AT&T
https://forum.xda-developers.com/general/help/unlock-bootloader-att-lg-phoenix-3-m150-t3626795

no luck in there got unlock code from at&t . still no root yet . still waiting.

unlock code
Well what's the unlock code att gave you. Share it bro

lockedaway83 said:
Well what's the unlock code att gave you. Share it bro
Click to expand...
Click to collapse
It is different for every device if you have had service on your phone for 6 months you can call them to have them unlock it or go to At&t's web site and request an unlock code I did the web site way got my unlock code in 2 days with instructions using a NON At&t SIM card by e-mail
And no it doesn't cost anything its Free

lopper369 said:
It is different for every device if you have had service on your phone for 6 months you can call them to have them unlock it or go to At&t's web site and request an unlock code I did the web site way got my unlock code in 2 days with instructions using a NON At&t SIM card by e-mail
And no it doesn't cost anything its Free
Click to expand...
Click to collapse
do you have to actually use the phone for 6 months to get unlocked or just be a customer for 6 months? (I have been w att for 3 years)

Question My oneplus 9 locked to Tmobile

Guys, i have a oneplus 9 5g phone locked to Tmobile. I can only use wifi for the mean time. All sims i have tried doesnt work. I am from Ghana and would like to remove the lock so i can use my local sim.i dont know where to start from. Any help i would be much grateful. This is my email [email protected]

simonpeters said:
Guys, i have a oneplus 9 5g phone locked to Tmobile. I can only use wifi for the mean time. All sims i have tried doesnt work. I am from Ghana and would like to remove the lock so i can use my local sim.i dont know where to start from. Any help i would be much grateful. This is my email [email protected]
Click to expand...
Click to collapse
Pretty much t mobile is your only hope. Maybe paid services Which you will not find or get any help on here.

These phones will frequently work with t-mobile resellers too, but no guarantee. You might consider mint mobile.

Convert T-Mobile OnePlus 9 to Global (or other) firmware
** USE THIS AT YOUR OWN RISK. ** READ THROUGH THE STEPS BEFORE ATTEMPTING. IF AT ANY POINT WHILE READING THESE STEPS YOU GET CONFUSED, YOU PROBABLY SHOULDN'T ATTEMPT THIS. ** BACKUP YOUR FILES AND APP DATA AS THIS WILL WIPE YOUR PHONE. ** BACKUP...
forum.xda-developers.com
You can get bootloader unlock this way and then flash global to it with the msm tool in that link.
T mobile is a bit of a pain to get the unlock code, you have to get a number from the phone using adb and then submit a request on their website using the serial and that number... A week or so later they will send you a unlock code that can be used in adb and then the normal process to unlock after that.