Carrier Sim Unlock AT&T Note 3 - AT&T Galaxy Note 3 Q&A, Help & Troubleshooting

I have a AT&T model that I was using in Straight-Talk that I sent in to be repaired. Now that I have it back, I want to use it with MetroPCS. It came back with the latest firmware for 4.4.4. I followed the instructions posted here to use the 1 file method to roll back to 4.4.2 and then root and recovery. Everything went fine. I then used Chainfire's app to region unlock the device as I had read this would also carrier unlock this model. Everything claimed to be successful but the phone saw the Metro sim and asked for an unlock code.
So in desperation, I paid for a code and followed their instructions and it claimed success. The phone now boots and doesn't ask for an unlock code. Now it says "Emergency calls only" and the wireless signal strength indicator flip flops between signal bars and a Circle with a line through it, the international No sign. What is going on here? Any advice? I have tried the obvious removing and reinserting the sim chip. I have every relevant topic of emergency calls only. I apologize if this double posted, as I am using the mobile app and wasn't sure it posted previously.

Crickets?

Google metro pcs apns.... Then see what happens after you set it up.
Sent from my SAMSUNG-SM-N900A using XDA Free mobile app

Related

Captivate not registering on network/holding signal

Yes, I have read every other thread I could find.
Anyways, I bought a Samsung Captivate on Kijijii. I did test it before I bought it, and it picked up 5 bars, and more importantly, held the 5 bars.
Took it home, and ordered the unlock code, which took a few days to get through. In the meantime I upgraded the phone from 2.2 to 2.3.3. Everything seemed to be fine. Got the unlock code, put in my SIM card, put in the unlock code....everything worked perfectly. It didn't pick up a signal though at first, which is a problem with my carrier(I think). They make you go in and manually search and then register. Which I did. Well, for the longest time it wouldn't find the carrier. I have pretty crappy service, so I went outside, still nothing.....went to work and stood under a cell repeater which gives 5 strong bars to any other phone, and my Captivate would show my carrier, I would register, and it would get 1 bar, and then within 10 seconds, it would lose signal again. All while I was standing right beside the cell repeater.
Not only that, but for some reason it would turn on flight mode, and then when I would try to disable it, it would sit there for about 20 min doing nothing.
I went back to 2.2.....still did the same thing. Went to 2.3.3 again, still the same problem. Tried 3 different modems for my specific model phone, 1 of them would find the network instantly, register within 10 seconds, and then drop signal again and go into enabling flight mode, and being a general pain in the ass to turn off. I would actually have to reboot the phone to be able to search for networks again.
The phone came from Rogers, so I put in my brothers Rogers SIM card, and it instantly found the network, registered and gave me 2 bars without me having to do anything. Except then it began dropping signal, getting signal back...dropping it, getting it back. It is winter here right now, and we do have spotty service, but I have Samsung Fascinate that holds at least 1 bar consistently. Not sure if the antenna strength is better. From what I understand they are more or less the same.
I swapped out my SIM card into a different unlocked phone and got service instantly, and then put another different SIM card into the Captivate, and it had the same problem.
I'm pretty much out of options. I'll try tomorrow to see if I can hold a Rogers signal better, which it hopefully can because I'm thinking of selling it.
But I'm inclined to believe that it might be a software problem. Problem is I have no idea what to do in order to fix it.
Any help would be greatly appreciated. Thanks!
Played around with it a bit more. On 2.3.3 with the KH3 modem installed, it will find the network, then try to connect for 10 min, where it will then say 'unable to connect, please try later.'
Then after clicking again, it will say 'unable to connect, select automatic registration' and then sit there for another 5 min. When it finally comes back, I will click on 'select automatically' and it will say after a couple min, 'registered on network', but won't get signal.
All of this I do with 5 bars service. Or in an area with 5 bars service.
Also, the flight mode constantly comes on, and disables 'mobile networks'....so I can't access it. And its a bit weird that it would do that, since any other android phone that I've had, when I lost service, it would constantly try to connect, not go into flight mode and refuse to come out.
Would it help to install a custom ROM on it? I'm going to try going back to 2.2 and test some more stuff. Problem is the small amount of time I spent with 2.2 last night, the phone would crash everytime I tried searching for networks.
After playing around with it even more, I'm convinced that it says 'error while searching for networks' because the phone constantly jumps back into flight mode.
Even when it does get a signal and registers, the phone jumps back into flight mode within a couple seconds, and bang the signal is gone.
Are you flashing with the sim card in the phone? Or if you are flashing through cwm are you leaving the usb cable plugged in?
Sent from my SGH-I897 using XDA App
holeindalip said:
Are you flashing with the sim card in the phone? Or if you are flashing through cwm are you leaving the usb cable plugged in?
Sent from my SGH-I897 using XDA App
Click to expand...
Click to collapse
I flashed with Odin, WITH the SIM card in the phone. I never bothered to take it out. Would it make a difference?
I actually just flashed back to 2.2 with the SIM card in the phone. It found the network, registered on the network, but then dropped signal and activated flight mode again.
Odin flash goes like this. Put phone into download mode, plug phone into USB, open Odin, put 2.2 file into 'phone' section, make sure re-partition isn't checked, click start, and it does everything it should do. Phone restarts running 2.2.
No open ODIN FIRST!!! And then plug in phone... know your stuff before you give false info.
Sent from my SAMSUNG-SGH-I897 using xda premium
After flashing back to 2.3.3 without the SIM card in the phone, I still get the same problem. But the phone doesn't seem to constantly be going back into flight mode.
Does the modem file change if you go back to 2.2 and back up to 2.3.3? I might have flashed the wrong modem or something.
b-eock said:
No open ODIN FIRST!!! And then plug in phone... know your stuff before you give false info.
Sent from my SAMSUNG-SGH-I897 using xda premium
Click to expand...
Click to collapse
I'm not quite sure what you mean. I've done it both ways, and each time the flash has been successful.
I should mention that baseband version on my status menu says 'I896UXKH2.'
And I'm running 2.3.3.
So I'm not sure if the modem changes when you go back to 2.2. I forgot to check that.
I thought you were suppose to put it in the pda slot not the phone??
Sent from my SAMSUNG-SGH-I897 using XDA App
holeindalip said:
I thought you were suppose to put it in the pda slot not the phone??
Sent from my SAMSUNG-SGH-I897 using XDA App
Click to expand...
Click to collapse
I did actually put it into the PDA slot. Sorry.
Anyways, rooted and installed CM7, installed the KC1 radio, which SHOULD work in Canada on the 850mhz band, and when I search for networks, the only network it finds is Can Rogers Wireless Inc. Up till now it found MTS as well, which is the network I want to use.
I have an MTS(working SIM card) inside the phone. Just bizarre. Could the unlock code not have worked correctly?
Just completely bizarre. I couldn't get any modem to even recognize and find my network of choice, MTS.
So I went back to exactly how the found was when I bought it. Stock 2.2. Going to find out if even a Rogers SIM card will work in it.
There could be two possible things:
1. Unlock code would had messed up.
2. Corrupt IMEI number! Check IMEI number on the box of your phone or below battery and compare with that of the phone (*#06# or settings)...
bindaasathar said:
There could be two possible things:
1. Unlock code would had messed up.
2. Corrupt IMEI number! Check IMEI number on the box of your phone or below battery and compare with that of the phone (*#06# or settings)...
Click to expand...
Click to collapse
+1 you beat me to it!
Sent from my SAMSUNG-SGH-I897 using XDA App
bindaasathar said:
There could be two possible things:
1. Unlock code would had messed up.
2. Corrupt IMEI number! Check IMEI number on the box of your phone or below battery and compare with that of the phone (*#06# or settings)...
Click to expand...
Click to collapse
The IMEI number on the status menu on the phone is identical to the phone under the battery.
So that leaves the unlock code. The guy who gave it to me, cellunlocker.net gave me instructions for locking it to a specific carrier. I tried that with MTS, and it doesn't work. Basically you punch in a code in the dialer, put in the MCC/MNC code, put in the network lock code, and lock it for that carrier. It said it worked successfully, so I have no idea what else went wrong.
The instructions I mentioned above he gave me after I told him the original method didn't work. That method being putting in non-accepted SIM card, and the box pops up asking for network unlock code. I punched the code in he gave me, and it said unlock successful.
Anything else I should do?
I have the similar problem on any 2.1~2.3 stock firmware which I have tried.
I'm using Tmobile now, and the IMEI is correct.
But I only receive 1 bar or no bar signals.
tennyleaz said:
I have the similar problem on any 2.1~2.3 stock firmware which I have tried.
I'm using Tmobile now, and the IMEI is correct.
But I only receive 1 bar or no bar signals.
Click to expand...
Click to collapse
So you unlocked your phone as well? Perhaps the bands are wrong? I know T-mobile uses a different band than other US providers.
In my case, the Captivate uses the 850/1900 bands, which is what Rogers and MTS use.
MTS being the carrier I want to use it on.
Azure1203 said:
The IMEI number on the status menu on the phone is identical to the phone under the battery.
So that leaves the unlock code. The guy who gave it to me, cellunlocker.net gave me instructions for locking it to a specific carrier. I tried that with MTS, and it doesn't work. Basically you punch in a code in the dialer, put in the MCC/MNC code, put in the network lock code, and lock it for that carrier. It said it worked successfully, so I have no idea what else went wrong.
The instructions I mentioned above he gave me after I told him the original method didn't work. That method being putting in non-accepted SIM card, and the box pops up asking for network unlock code. I punched the code in he gave me, and it said unlock successful.
Anything else I should do?
Click to expand...
Click to collapse
I ordered my unlock code from cellunlock.net and it didn't take. I used the Galaxy S Unlock app and it worked fine. When you enter *#7465625# it does show the network lock as off right?
codwif said:
I ordered my unlock code from cellunlock.net and it didn't take. I used the Galaxy S Unlock app and it worked fine. When you enter *#7465625# it does show the network lock as off right?
Click to expand...
Click to collapse
Didn't take as in it said it cannot unlock? Because when I put in the code from cellunlock it said unlock successful.
But I didn't know you could check with that code. I'll do that later. Thanks.
So apparently I had locked the phone to MTS. Put in a Fido SIM card to try something different, and it said enter network unlock code. Entered the unlock code I got, and it said unlock successful.
Now when I type in *#7465625# it says 'off' under all the headings, just like my Fascinate says.
It still holds signal, loses signal though with Fido. I have no idea if that is a problem or what is going on. It'll get 2 bars, or about -99dbm, 5asu, and then suddenly drop it. Get it back again....drop it after 10 seconds.
Apparently flight mode is going on, going off, going on, going off....which is apparently why it loses signal, and gets it back again.

Unlock issue with UK i9305 - won't work with Three (3) network sim!

I'll try and keep this breif but getting pretty frustrated with this...
I bought this handset sim free from T-Mobile UK. It was brand new and sealed. When inserting my Three(3) sim it would say "invalid sim" - which was expected as it was locked to T-Mobile. I paid a third party UK company called mobileunlocked.co.uk who have a very good reputation and lots of good reviews for an unlock code so I could use it with a Three (3) UK 3G Sim card. I received the unlock code and an un-freeze code and used both several times, resulting in "unsuccessful". Thinking it was a bad code, I paid ANOTHER unlocking company off ebay (again, reputable) and was supplied with the same codes and the same results but a slightly different method which involved entering * and # keys before the codes in the code box. This resulted in a popup saying "Network control code is blocked".
Following this, I tried the *#197328640# method to access the hidden menus as detailed in this thread http://forum.xda-developers.com/showthread.php?t=2014982 (this has been proven to work with Note II, Galaxy SIII and Galaxy SIII LTE).
I followed that guide to the letter and restarted the phone. At first, I had hope as there was no sim lock code entry box, however I waited and waited and waited and the phone did not pick up my Three (3) signal, despite it no longer saying "invalid sim".
Basically, it just shows several bars but does not pick a Three(3) signal or any date. I have tried manually selecting the network and manually entering APN settings, but I get the same result. When I try connecting manually it just says "Cannot register on network".
-I have tried using this sim card in other phones, it works OK!
-I have tried using other network sim cards (Orange, T-Mobile, EE, Vodafone) and they all work.
-I have tried using a different Three(3) sim in this phone and it still doesn't work.
I can't return it to the T-Mobile store as the warranty is invalid as I have unlocked it (or so I think!). Can anyone help? I know three(3) sims are compatible with this phone as others on this forum have stated they are using Three (3) sims in unlocked i9305s.
Any idea why my unlocking codes that were valid wouldn't work and why it said "Network control code is blocked"?
Any idea why my Three(3) micro sims won't work but other networks do despite this phone being compatible with three (3) sims?
Help!
It doesn't appear that 3 UK has any publicly available LTE network at this time, but that they are rolling one out. Perhaps it is physically available and being picked up by your phone, except 3 isn't allowing just any sim card to register on that network at this time? Try disabling LTE and attempting to connect again.
Rekoil said:
It doesn't appear that 3 UK has any publicly available LTE network at this time, but that they are rolling one out. Perhaps it is physically available and being picked up by your phone, except 3 isn't allowing just any sim card to register on that network at this time? Try disabling LTE and attempting to connect again.
Click to expand...
Click to collapse
I know I won't be able to get LTE as Three (3) aren't offering LTE until Q3. I am perfectly happy just using 3G. I have tried disabling LTE and using 3G only and the same things happen.
I have tried 2 different Three (3) micro sims in it and it still won't register on the network. I know Three(3) sims work in the i9305 as others have unlocked their's and used Three (3) sims.
It's either something wrong with the unlock, something wrong with the hardware or something isn't enabled/disabled. Like I said I've tried automatically connecting and manually entering APNs and still NOTHING.
Frustrating having spent over £450 on a brand new handset which I can't return as warranty is invalidated through "unlocking" (which hasn't unlocked it fully!)
bounce08 said:
I know I won't be able to get LTE as Three (3) aren't offering LTE until Q3. I am perfectly happy just using 3G. I have tried disabling LTE and using 3G only and the same things happen.
I have tried 2 different Three (3) micro sims in it and it still won't register on the network. I know Three(3) sims work in the i9305 as others have unlocked their's and used Three (3) sims.
It's either something wrong with the unlock, something wrong with the hardware or something isn't enabled/disabled. Like I said I've tried automatically connecting and manually entering APNs and still NOTHING.
Frustrating having spent over £450 on a brand new handset which I can't return as warranty is invalidated through "unlocking" (which hasn't unlocked it fully!)
Click to expand...
Click to collapse
Well you did purchase a phone which wasn't intended for use on your network, just saying
Rekoil said:
Well you did purchase a phone which wasn't intended for use on your network, just saying
Click to expand...
Click to collapse
Shouldn't be a problem to be honest. Have you tried calling three to say that you're using the i9305? I love three and their unlimited data plans I plan to do this once samsung/EE unlock my phone.
bounce08 said:
I'll try and keep this breif but getting pretty frustrated with this...
I bought this handset sim free from T-Mobile UK. It was brand new and sealed. When inserting my Three(3) sim it would say "invalid sim" - which was expected as it was locked to T-Mobile. I paid a third party UK company called mobileunlocked.co.uk who have a very good reputation and lots of good reviews for an unlock code so I could use it with a Three (3) UK 3G Sim card. I received the unlock code and an un-freeze code and used both several times, resulting in "unsuccessful". Thinking it was a bad code, I paid ANOTHER unlocking company off ebay (again, reputable) and was supplied with the same codes and the same results but a slightly different method which involved entering * and # keys before the codes in the code box. This resulted in a popup saying "Network control code is blocked".
Following this, I tried the *#197328640# method to access the hidden menus as detailed in this thread http://forum.xda-developers.com/showthread.php?t=2014982 (this has been proven to work with Note II, Galaxy SIII and Galaxy SIII LTE).
I followed that guide to the letter and restarted the phone. At first, I had hope as there was no sim lock code entry box, however I waited and waited and waited and the phone did not pick up my Three (3) signal, despite it no longer saying "invalid sim".
Basically, it just shows several bars but does not pick a Three(3) signal or any date. I have tried manually selecting the network and manually entering APN settings, but I get the same result. When I try connecting manually it just says "Cannot register on network".
-I have tried using this sim card in other phones, it works OK!
-I have tried using other network sim cards (Orange, T-Mobile, EE, Vodafone) and they all work.
-I have tried using a different Three(3) sim in this phone and it still doesn't work.
I can't return it to the T-Mobile store as the warranty is invalid as I have unlocked it (or so I think!). Can anyone help? I know three(3) sims are compatible with this phone as others on this forum have stated they are using Three (3) sims in unlocked i9305s.
Any idea why my unlocking codes that were valid wouldn't work and why it said "Network control code is blocked"?
Any idea why my Three(3) micro sims won't work but other networks do despite this phone being compatible with three (3) sims?
Help!
Click to expand...
Click to collapse
Hi,
I am in the same boat, I actually got the S3 LTE from EE in December (GOT IT FOR 359).. Initially, it worked with three after unlocking via xda..*#197328640# method ..But it stopped working or it was working intermittently...
So tried rining three..they said..ohhh our network is best and our (three) sims will work only in three mobiles..
Anyway I tried all other methods..re-set..factory etc..
Finally sent the mobile to Samsung...
after 10days, I got it back...Now as soon as I insert three sim..it says invalid sim..So tried *#197328640# method again..unfortunately..i can't do that as (the last option INITIALIZE...) does not show up now..
Anyway managed to get unlock code from ebay...NO USE..it shows the same problem as yours.."network control is blocked"...
Donno what to do??? might ring samsung again tomorrow...
Have you tried speaking to T mobile about getting it unlocked????
If you find any answers..pls let me know
Thanks in advance
I'm having the same problem. Any updated on how things went with T-mobile or does anyone have a fix?
Should I cancel my order?!
I just bought the S3 LTE i9305. I purchased it as an upgrade and its arriving tomorrow. I wanted to give my sim to my mother and keep the phone to use with Three's DC-HSPA+ which will work on the S3 LTE. So can I unlock it or will it be facing the same problems as mentioned in the thread. Sorry for not helping out, ama noob and GOOD LUCK! :good:
I recently put in an unlocking request at EE. They get a samsung unlocking code directly from Samsung. So I'll give this method a go. I am getting my Sim Card in soon from three. Decided to jump the boat on to the one plan @ £25 a month. =) EE's london signal is pants. =(
Sent from my GT-I9305 using Tapatalk 2
bleepsake said:
I recently put in an unlocking request at EE. They get a samsung unlocking code directly from Samsung. So I'll give this method a go. I am getting my Sim Card in soon from three. Decided to jump the boat on to the one plan @ £25 a month. =) EE's london signal is pants. =(
Sent from my GT-I9305 using Tapatalk 2
Click to expand...
Click to collapse
I tried to get an unlock code from T-mobile, they said that Samsung wouldn't release it for another six months, since it's a new phone. Even though we've been with them for donkeys years!
Right today, I recieved my sim. I'm glad to say everything works. I'm getting around 8mbps down and 1mbps up in West London.
If yours doesnt work then it probably is a damaged sim.
Tell T-Mobile you want to speak to someone that knows what they are talking about. It takes up to 60 days for direct Samsung unlock code. You might have to pay a tenner but worth it jn my perspective. I'm glad I have unlimited data again. It feels like freedom. No Joke. o2 Used to do an unlimited tariff and I loved it. There reasoning was to improve their network but instead it made it worse. I know Three arent known for their calls but they certainly know what customers want and thats data.
PS how do I know if im getting the optimum speed?
Sent from my GT-I9305 using Tapatalk 2
Try this
http://forum.xda-developers.com/showthread.php?t=1335548
I think you have updated the software via OTA.. you need to downgrade to I9305XXALI5_I9305EVRALI5_I9305BVALI5 (this is for people who have got phone from T-mobile). Download from Sammobile.com, flash via odin (this wont affect ur warranty as this is stock firmware and doesnt increase the binary counter).
once you are sure that you have the above software, then follow the instructions on the below in first post in the mentioned link, again no rooting involved:
http://forum.xda-developers.com/showthread.php?t=2014982
People have confirmed that after unlocking via this method if you go ahead with OTA, you will still have the phone unlocked.
I have followed the above procedure but havent updated the firware and have not used the phone yet. But its unlocked and I have tried using Three UK sim, it works,
Do let me know how it goes.
kams19 said:
I think you have updated the software via OTA.. you need to downgrade to I9305XXALI5_I9305EVRALI5_I9305BVALI5 (this is for people who have got phone from T-mobile). Download from Sammobile.com, flash via odin (this wont affect ur warranty as this is stock firmware and doesnt increase the binary counter).
once you are sure that you have the above software, then follow the instructions on the below in first post in the mentioned link, again no rooting involved:
http://forum.xda-developers.com/showthread.php?t=2014982
People have confirmed that after unlocking via this method if you go ahead with OTA, you will still have the phone unlocked.
I have followed the above procedure but havent updated the firware and have not used the phone yet. But its unlocked and I have tried using Three UK sim, it works,
Do let me know how it goes.
Click to expand...
Click to collapse
On the site, it says it's for EE, is that still ok? I know T-mobile, Orange and EE, are all pretty much the same thing now, but I just want to be sure. I wouldn't want to put something that starts putting EE logos all over on boot up etc. The one that came with the phone doesn't mention anything about T-mobile on boot up.
It won't EE is unbranded
Thanks... I've zapped it with 4.1.1, used that trick, and then allowed the 4.1.2 update + plus another update of some sort through OTA, and I'm now using O2 happily! Cheers!
Phone arrived Friday on Orange EE with 4.1.2. wouldn't accept 3uk sim.
Tried the *#...640# trick but menu options not present.
Reverted firmware down to 4.1.1. Li5 Uk EE and voila menus present.
Tried 3uk sim and works fine.
Flashed latest Wanamlite rom and still unlocked on 3uk.
Getting a reliable 15.5 Mbs down on dc HSDPA at home despite only having 1 bar signal, on three One plan unlimited for £15/mth.
NGbod said:
Phone arrived Friday on Orange EE with 4.1.2. wouldn't accept 3uk sim.
Tried the *#...640# trick but menu options not present.
Reverted firmware down to 4.1.1. Li5 Uk EE and voila menus present.
Tried 3uk sim and works fine.
Flashed latest Wanamlite rom and still unlocked on 3uk.
Getting a reliable 15.5 Mbs down on dc HSDPA at home despite only having 1 bar signal, on three One plan unlimited for £15/mth.
Click to expand...
Click to collapse
Great news!

[Q] Help Unlocking rooted Exhibit with custom ROM

I'm trying to unlock the Exhibit 4G this week for use on a trip abroad (and yes, it is legal to do so since this was a prepaid phone paid in full in 2012 so T-Mobile did email me the unlock code - all that is good). What I don't understand is why it is not prompting for the Unlock code at boot. T-Mobile says I must have another company's SIM card in the phone to unlock the Phone. So, I bought a Simple Mobile SIM and placed it in the phone but it just boots up to the ROM as normal without asking for the unlock code. I am using the Linaro 4.2 rom (which is amazing btw!) but I also tried with Peach Sunrise 3.0 and Cyanogen 10 - nothing but a normal boot with no phone capabilities. So I have these questions: Do I actually need to pay for SimpleMobile service first to get the phone to recognize the SIM as different and ask to unlock? (seems unlikely) - Is Simple Mobile just not a good SIM to use for unlocking this phone... Or do I have to go back to stock ROM and unroot to unlock this? Of course if there are any other apps or shortcuts that will let me get straight to the unlock code prompt I'm all for it. Any help is greatly appreciated - not finding a lot of answers out there on the net and if it is on this forum I apologize for not finding it and would appreciate a link to it - Thx!
You probably need a different sim card. As I understand it, T-Mobile phones don't need to be unlocked to work on Simple Mobile.
meekrawb said:
You probably need a different sim card. As I understand it, T-Mobile phones don't need to be unlocked to work on Simple Mobile.
Click to expand...
Click to collapse
Thx - it figures I would choose that one to buy!
Meekrawb is right, simple mobile uses the T-Mobile network.
Sent from my SGH-T679 using xda app-developers app
To get your IMEI go to your cell phone and enter *#06# This will give you a string of numbers you will need to unlock your cell phone. Enter *#06# as if you are going to make a call. Then you will be given the string of numbers you will need.
Sent from my GT-I9300 using xda app-developers app
After you obtain your IMEI and copy it on a piece of paper, power your cell phone off. Take the back off if you have a removable back. Take the SIM card out. Put a BLANK SIM card in its place. Power the cell phone on. A screen should come up asking for your IMEI number to be entered. It should look like a rectangular box. Enter you IMEI. There should be a small box under the rectanglar box that you press. The phone should then eventally unlock itself. You can test it by putting a different SIM card in your cell phone.
Sent from my GT-I9300 using Tapatalk 4 Beta

Unlocked Sprint HTC One on AT&T

I see this question asked a few times within other treads but wasn't ever really answered clearly in my situation. I have successfully network unlocked my Sprint HTC One. When I put the sim in I get no errors and dialing 4636 brings me to the menu where I can change to wcmda preferred..gsm only... etc.. The phone reads the phone number off the sim and lists it on this page as well. Heres my issue I have verified that phone will cover the same bands where I am so that should not be an issue. I can not get a signal with this phone with 2 different sims. I made sure I did all the obvious things with the settings, the APN's, flashed different radios, and tried different options is the 4636 menu. Ive used different roms as well...When I go to select or search for my network both options are grayed out.... I can connect to Verizon and I can connect to sprint towers but no Dice on ATT. I am currently on version 4.1.2 and have tried all available radios. Has anyone had success in the new York New Jersrey PA area with using this phone on ATT. If so what is the setup you are using.
KoolAidBigMan said:
I see this question asked a few times within other treads but wasn't ever really answered clearly in my situation. I have successfully network unlocked my Sprint HTC One. When I put the sim in I get no errors and dialing 4636 brings me to the menu where I can change to wcmda preferred..gsm only... etc.. The phone reads the phone number off the sim and lists it on this page as well. Heres my issue I have verified that phone will cover the same bands where I am so that should not be an issue. I can not get a signal with this phone with 2 different sims. I made sure I did all the obvious things with the settings, the APN's, flashed different radios, and tried different options is the 4636 menu. Ive used different roms as well...When I go to select or search for my network both options are grayed out.... I can connect to Verizon and I can connect to sprint towers but no Dice on ATT. I am currently on version 4.1.2 and have tried all available radios. Has anyone had success in the new York New Jersrey PA area with using this phone on ATT. If so what is the setup you are using.
Click to expand...
Click to collapse
The Sprint HTC one has blocked the carrier id's for domestic use aka att. You can however if your s-off you can flash the initial release radio the first radio when the Sprint HTC was released and it will allow you to connect to domestic carriers.
I'm in Ohio so not too far from you and I can pick up T-Mobile and att using the initial release radio, it is the only radio I could get to pick up signal.
Here is the first radio released http://d-h.st/HHD
Im currently s-off and flashed that radios. When I select network connection the two options are still grayed out. Could the rom choice make any difference ?
Same here....help please
Sent from my HTCONE using XDA Premium 4 mobile app
pyrobo0by said:
Same here....help please
Sent from my HTCONE using XDA Premium 4 mobile app
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I am having the same issue with my Sprint HTC One. I've tried everything mentioned above and no one has answered. Are you guys still having this issue? And if not what did you do to fix it. I have a Sprint HTC One with S-Off, Unlocked Bootloader, the Radio that is listed here and the latest ViperOne 5.7.0 ROM. Thanks!
EDIT: My phone is unlocked and I have been using T-Mobile for the past month just fine, and want to try AT&T.
wireproof said:
I am having the same issue with my Sprint HTC One. I've tried everything mentioned above and no one has answered. Are you guys still having this issue? And if not what did you do to fix it. I have a Sprint HTC One with S-Off, Unlocked Bootloader, the Radio that is listed here and the latest ViperOne 5.7.0 ROM. Thanks!
EDIT: My phone is unlocked and I have been using T-Mobile for the past month just fine, and want to try AT&T.
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Click to collapse
I have figured out a way to make AT&T work with the phone. When you place a Sprint or Verizon sim into the phone, it will immediately unlock the network search options that are normally greyed out. I click automatic select and immediately remove the sim and replace it with my AT&T one. Even though the phone complains that the sim was removed, I can click ok, then quickly push the automatic select again before it greys out. I then wait a minute or so until it fails to find a network. I then quickly click the network search option. The notable thing at this point is the only network that shows up is MARITIME. if I click on that, it registers me to AT&T. I have tested the phone and it works great. But it seems to bump me off the network at some point. I dont know if its poor reception or the ROM itself doing it. And if I restart the phone, I lose it as well. So I have to repeat the steps again to get back on AT&T. But the thing to know here is that the phone will work with domestic carriers with no problem. Its a matter of locking to AT&T and staying there. Surely one of the brilliant brains on these forums can figure out how to keep it working. I basically stumbled onto this by playing around with it.
joem789 said:
I have figured out a way to make AT&T work with the phone. When you place a Sprint or Verizon sim into the phone, it will immediately unlock the network search options that are normally greyed out. I click automatic select and immediately remove the sim and replace it with my AT&T one. Even though the phone complains that the sim was removed, I can click ok, then quickly push the automatic select again before it greys out. I then wait a minute or so until it fails to find a network. I then quickly click the network search option. The notable thing at this point is the only network that shows up is MARITIME. if I click on that, it registers me to AT&T. I have tested the phone and it works great. But it seems to bump me off the network at some point. I dont know if its poor reception or the ROM itself doing it. And if I restart the phone, I lose it as well. So I have to repeat the steps again to get back on AT&T. But the thing to know here is that the phone will work with domestic carriers with no problem. Its a matter of locking to AT&T and staying there. Surely one of the brilliant brains on these forums can figure out how to keep it working. I basically stumbled onto this by playing around with it.
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Good job finding that. When it kicks you off of AT&T's network it did that to me when I had T-Mobile as well, so it's not just AT&T. Glad you were able to get AT&T to work on your phone tho, kudos.

[Q] Difficulty carrier unlocking phone

I have a T-Mobile carrier locked Nexus 6 that I purchased the other day. I bought a code from cellunlocker.net, but I am unable to get the screen prompt to input the code. I put in a Sprint micro-sim that I cut down to a nano-sim and the phone recognizes it. Initially, I was not getting any type of prompt while running the latest AICP nightly. Using the Wugfresh NRT, I flashed the phone back to stock LYZ28E and I was able to get the phone to show a screen saying "Hands free activation." I left it there for about 30 minutes and the screen never changed. Exiting out of this screen would just bring me to the launcher home and no further prompts. I downgraded back to LRX21O and had the same problem. Has anybody experienced a similar issue when carrier unlocking? Do I need to use a sim from AT&T? Any suggestions would be appreciated.
The only carrier locked n6 are the ones from at&t, T-Mobile should be unlocked already
oRAirwolf said:
I have a T-Mobile carrier locked Nexus 6 that I purchased the other day. I bought a code from cellunlocker.net, but I am unable to get the screen prompt to input the code. I put in a Sprint micro-sim that I cut down to a nano-sim and the phone recognizes it. Initially, I was not getting any type of prompt while running the latest AICP nightly. Using the Wugfresh NRT, I flashed the phone back to stock LYZ28E and I was able to get the phone to show a screen saying "Hands free activation." I left it there for about 30 minutes and the screen never changed. Exiting out of this screen would just bring me to the launcher home and no further prompts. I downgraded back to LRX21O and had the same problem. Has anybody experienced a similar issue when carrier unlocking? Do I need to use a sim from AT&T? Any suggestions would be appreciated.
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you dont read anything online or search anything online, do you? the only US nexus 6 thats carrier locked is the att version. tmobile never ever carrier locks a nexus. if you stuck a sprint sim in it, and it recognized it, that should say something to you. so, the point is, the nexus 6 through tmobile isnt carrier locked.
Well, I am a fool of the highest calibre. I guess I will do more research next time.
oRAirwolf said:
Well, I am a fool of the highest calibre. I guess I will do more research next time.
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Well, we've all done things like this. And the reason you don't get the prompt is because your phone isn't carrier locked, like pointed out above. Only harm done is you wasted your money on an unlock code. And the 3rd party who sold you the code could/should have told you it wasn't necessary.

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