sim hard lock - AT&T LG Optimus G

i accidently hard locked my optimus g. If i use other people's rom or any other custom roms on my phone, would i be able unlock the sim lock again?

You set up a sim pin you don't remember?

too many wrong guesses and you will get puk locked. I got puk locked on my gnexus from Sprint once, there was no way to fix, factory wipe, install different rom, Odin restore nothing would work, the phone would still prompt for the unlocked code, took it to Sprint with stock firmware they couldn't get past it either ended up needing a replacement.
Sent from my SPH-D710 using Tapatalk 2

Sim lock follows the card regardless of software or hardware, if you have att service there is a puk override however it will only give that option after using all attempts, call att tech, worse case scenario they'll get you a new sim, personally I've never had an instance where the puk didnt work tho so you should be fine.

ahh yes sorry this is at&t problem I had with Sprint was sim was embedded and they did not have the puk key
Sent from my SPH-D710 using Tapatalk 2

Call att, they'll get you sorted.
Sent from my LG-E970 using xda premium

Related

[Q] Need help, bricked/nonworking WIFI after succesful sim-unlock

Hi guys,
i used a sim unlock code to unlock the ATT locked Atrix 4g, for use with a european sim card (mobitel, slovenia). it unlocked fine and i could call, but the wifi stopped working it just didnt scan/find or even connect to remembered wifis (home router), which worked perfectly before the unlock. so than i thought it might help to factory reset it, and now the problem persists and i cant even finish the wizard, cuz it wouldnt connect to the cellular (which we have 2g and 3g here) and the wifi has the same problems (so initially it finds all wlans, than after like a few secs it looses them all, i can turn off the wifi and turn it on again and the same thing happens). so i am wodering if anyone has any idea how i could rescue the phone ...
thanks in advance
ok guys i did a hard reset and put in a nonworking sim (doesnt connect to network) and i got the wifi back to working and managed to activate motoblur again. so after that ive put my working sim card in again (3g+ hsdpa+ able), and the wifi stops to work again/behaves the same as i described before. terrible ... anyone has an idea how to fix that ?
ok, more problems, now after ive put the working sim inside and the wifi stopped working, i tried with the nonworking sim (that wifi worked great before with), and the wifi isnt working with the sim it was working before either and even if i try without any sim it doesnt work... ill try with a third sim now and if it wont work ill hard reset it again
Same problem
I have the same exact issue. Anyone know what to do? I can't imagine that this is "bricked" because everything else works fine... thoughts?
where did you guys get the unlock code from?
Actually, I have a similar problem. After entering unlock code the phone accepts my SIM card, but I cannot activate 3G connection. GSM is working, try to call my other phone. APN settings are correct.
In the "hidden" settings menu (*#*#4636#*#*) I cannot chose between radio bands, but only the USA radio band.
Any ideas? Will I need to root it or even put a custom ROM (if it exists)?
So you guys used an unlock code from someone other than the carrier and are now having issues?
Wish I could help on this one. If you used an unlock code from someone other than the carrier, I would contact motorola support.
If you used a piece of software, I would wager that the software broke something and you might as well warranty return it for another.
Sent from my MB860 using XDA App
DarrellRaines said:
So you guys used an unlock code from someone other than the carrier and are now having issues?
Wish I could help on this one. If you used an unlock code from someone other than the carrier, I would contact motorola support.
If you used a piece of software, I would wager that the software broke something and you might as well warranty return it for another.
Sent from my MB860 using XDA App
Click to expand...
Click to collapse
Don't be offended, but I don't think this is the case. AT&T locked their phone to their network with standard network code (as seen in many other phones for years) so that "alien" SIM card would not work. But, additionally, since the AT&T has some value added services on their data plan (like wifi tethering) they made some accommodations (read: locked parts of the android configuration).
I am not a developer, this is just my guess, but it seams sane and probable.
gogy22 said:
Don't be offended, but I don't think this is the case. AT&T locked their phone to their network with standard network code (as seen in many other phones for years) so that "alien" SIM card would not work. But, additionally, since the AT&T has some value added services on their data plan (like wifi tethering) they made some accommodations (read: locked parts of the android configuration).
I am not a developer, this is just my guess, but it seams sane and probable.
Click to expand...
Click to collapse
No offense taken. This is why I asked about a program. Using an unauthorized code to unlock it may over write a.setting or file. Its also possible that someone broke something using adb.
Best solution, warranty it and try again
Sent from my MB860 using XDA App
ok. anyone with unlocked phone has a wifi problems besides these 2 nice people ?
I don't have a WiFi problem, I have a 3G problem
Sent from my HTC Desire using XDA App
gogy22 said:
I don't have a WiFi problem, I have a 3G problem
Sent from my HTC Desire using XDA App
Click to expand...
Click to collapse
Sent from my HTC Desire using XDA .....
can you guys tell us what website you use to get your unlock codes from so we can avoid them? thanks
man.. this forum is dead.
even the OP stopped coming here to check his post :/
Based on your replies, I'm guessing you've never unlocked a phone before...
Unlocking a phone to be used for a different carrier affects nothing else but the ability to only use the SIM Card of the carrier you bought the phone from.
To unlock a carrier-locked Motorola phone, you simply need a "Network Unlock PIN" which is an 8 or 16 digit code that you enter to unlock the phone to any network. There is no software installation ivolved in the process.
A 3G issue will occur when your carrier doesn't support the 3G bands that the Atrix supports. Which would be: 850/1900/2100. If your carrier doesn't use any of these bands for their 3G network, then of course you are going to have 3G issues.
The Wi-Fi problem that the OP is having may be as simple as him having an antenna QA issue. But it could never be the Unlock Code.
Unlocking your phone and using another carrier other than AT&T has nothing to do with Wi-Fi issues...
DarrellRaines said:
So you guys used an unlock code from someone other than the carrier and are now having issues?
Wish I could help on this one. If you used an unlock code from someone other than the carrier, I would contact motorola support.
If you used a piece of software, I would wager that the software broke something and you might as well warranty return it for another.
Sent from my MB860 using XDA App
Click to expand...
Click to collapse
DarrellRaines said:
No offense taken. This is why I asked about a program. Using an unauthorized code to unlock it may over write a.setting or file. Its also possible that someone broke something using adb.
Best solution, warranty it and try again
Sent from my MB860 using XDA App
Click to expand...
Click to collapse
Beach_Head said:
The Wi-Fi problem that the OP is having may be as simple as him having an antenna QA issue. But it could never be the Unlock Code.
Unlocking your phone and using another carrier other than AT&T has nothing to do with Wi-Fi issues...
Click to expand...
Click to collapse
I got my unlock code from cellunlock.net. It unlocked my phone just fine. Don't use that as a reason to avoid cellunlock.net. Unlocking is unlocking.
I have swapped back and forth between my prepaid sim and My AT&T SIM about 5 times so far.
WiFi disconnects almost immediately when I try to connect with my prepaid sim inserted, but I can make calls. (Atrix also displays H+, which can't be right)
With my AT&T sim everything works fine, solid as a rock.
I may do a factory reset to test things, but I have a feeling it has something to do with drivers or the network stack on the atrix, or perhaps because my prepaid sim has no data plan. It certainly isn't a hardware problem with the antenna. I am afraid to do a factory reset on the atrix while I am out of the country, considering that it requires network access to unlock itself.
To the original poster:
When you put a non-connected SIM into the phone, if you do a power reset again, the wifi comes back up solid again.
Also, is there some way we can request a merge of these two threads?
http://forum.xda-developers.com/showthread.php?t=986499
how come only you 2 have this problem ? do you 2 live in the same country ?
this is really surprising :/
It really is quite weird...
ll_l_x_l_ll said:
how come only you 2 have this problem ? do you 2 live in the same country ?
this is really surprising :/
Click to expand...
Click to collapse
I was merely suggesting that it could be a multitude of things, but never the unlocking code or the process of unlocking itself.
Also, it can't be your SIM because your SIM has nothing to do with Wi-Fi. If we were talking about GSM and 3G then SIM cards come into play. Other than that, no way.
Have you tried using the phone without a SIM? Do you get the same problems?
wstutt said:
It certainly isn't a hardware problem with the antenna. I am afraid to do a factory reset on the atrix while I am out of the country, considering that it requires network access to unlock itself.
To the original poster:
When you put a non-connected SIM into the phone, if you do a power reset again, the wifi comes back up solid again.
Also, is there some way we can request a merge of these two threads?
http://forum.xda-developers.com/showthread.php?t=986499
Click to expand...
Click to collapse
Beach_Head said:
I was merely suggesting that it could be a multitude of things, but never the unlocking code or the process of unlocking itself.
Also, it can't be your SIM because your SIM has nothing to do with Wi-Fi. If we were talking about GSM and 3G then SIM cards come into play. Other than that, no way.
Have you tried using the phone without a SIM? Do you get the same problems?
Click to expand...
Click to collapse
I agree that it has nothing to do with the SIM or unlocking.
I just tested. I get the same problem with no SIM inserted. Screw it.. doing a factory reset and seeing what happens.
Edit:
Still does the same thing. But now I have to re-activate app sideloading.
Also, you can reactivate over wifi, which is nice.

[Q] Is it possible to remove network lock without an unlock code?

I have reviewed similar threads for a few days but have not found any answers. The simple question I have is in the title:
Can you unlock the ATT Atrix without an unlock code.
However the situation is a bit more complicated and ill explain.
I have been traveling the past few months and was in Costa Rica for a month. I decided to purchase a local SIM so I could use my phone without paying ridiculous ATT roaming charges. I inserted the SIM and it was locked, unaware of the network lock I inserted my personal code thinking that may be it. No luck and returned to my old ATT SIM. At this point it still worked but a few days passed and I tried again, still no avail so I contacted ATT. It just so happened the 6 month mark was coming up from the original purchase date of my phone so they would provide the unlock code in 4 days time. I waited and finally received, after inserting the code it did not work and I contacted ATT back to assure they provided the proper code as they had to send me a replacement phone a few months prior due to my original Atrix crapping out. They checked it out and determined it was correct but it never worked. I finally inserted my original ATT SIM back into the phone and it also requested network unlock code. Now I am back in the states and even with the original ATT SIM it still requests for the network unlock code. I tried unlocking and flashing with CM7 beta and STILL requests unlock code. So basically the phone is useless for network data but will work fine as a mini tablet i suppose connected to WIFI.
So with that explanation does anyone have any idea on bypassing this or removing this entirely, not even to use overseas but just on the ATT network!
Additionally
ATT provided me with another Atrix to alleviate my troubles so im not entirely phoneless. However I would like to sell one of these and possibly purchase the GS2 0_o
I have contacted 3 cell phone unlocking sites explaining the situation and only one has responded but not with any answers.
HELP!
if you got a new phone, is it still asking for a network unlock code?
No. Its working fine, but I still have this perfectly good working phone I would rather use and sell the brand new one. Unless I cant get rid of this unlock problem I suppose Ill sell it as is. Any takers?
Hi, I talk to att once when i want to unlock my atrix and they told me if the phone is more than six months old the give you the unlock code for free.
so for the atrix if that is your phone you can ask att for your code since august 21.
just call att customer support.
hope this help.
try a diff sim card with data plan and see if it still asks for code
or try flashing a custom rom
I suppose I was not clear in the OP. ATT DID provide this code for me. I did flash a custom rom already.
As far as using a different SIM card I tried to use a second SIM that ATT provided and still nothing.
I am assuming this is a very unique situation and probably wont find any answers unless someone has successfully unlocked the phone by flashing some special ROM.
Flashing a ROM of any kind will never sim-unlock your phone.... ever. period.
The only way to resolve this is through AT&T. The only way to sim-unlock is with the code it requests.... must have proper code. That is the only way. So, I would talk to AT&T about it, in person, at a local store.
I unlocked the inspire 4G simple by rooting and flashing a custom rom didnt ask for network password after that it worked on tmobile
With edge service no. 3g or 4g different bands between tmobile and att
Sent from my HTC HD2 using XDA Premium App
jussuh said:
I unlocked the inspire 4G simple by rooting and flashing a custom rom didnt ask for network password after that it worked on tmobile
With edge service no. 3g or 4g different bands between tmobile and att
Sent from my HTC HD2 using XDA Premium App
Click to expand...
Click to collapse
highly doubt that....
when does it ask you for the network code? can u provide a screen capture?
jgc121 said:
Flashing a ROM of any kind will never sim-unlock your phone.... ever. period.
The only way to resolve this is through AT&T. The only way to sim-unlock is with the code it requests.... must have proper code. That is the only way. So, I would talk to AT&T about it, in person, at a local store.
Click to expand...
Click to collapse
Just the info I was looking for. Basically the phone is boned in that case. Spent a good with with ATT advanced tech support and motorola to no avail.
What I do want to know is WHERE this information is stored out of curiosity. It seems the modding community would have tinkered with some hacks to remove the sim lock at some point.
wyldkard said:
when does it ask you for the network code? can u provide a screen capture?
Click to expand...
Click to collapse
Tried to screen shot it but it wont allow in the screen. The request comes as soon as I turn the phone on. If I dismiss it I can use the phone I just wont have cellular access.
Ok so I am reposting and not editing as I feel this deserves a bump.
I got my new Atrix unlock code from ATT today and tried it on the new Atrix I received and that one ALSO will not unlock.
Is there ANY ATT Atrix sim unlocked and if so how did you go about doing it? I have only found one thread and no response via PM.
How to SIM unlock Atrix!
I have read both your post and I believe you used a ATT sim card that was not in use or a GO phone Sim card. Am I correct so far? To sim unlock you have to insert a non ATT sim card!! No go phone sim card or a non active att sim!
Call one of your friends and borrow a Verizon sim or Tmobile sim. You only have 5 tries to do this. So as for your first Atrix I believe it is already locked permanently to ATT. Dont ruin your second Atrix.
katinatez said:
I have read both your post and I believe you used a ATT sim card that was not in use or a GO phone Sim card. Am I correct so far? To sim unlock you have to insert a non ATT sim card!! No go phone sim card or a non active att sim!
Call one of your friends and borrow a Verizon sim or Tmobile sim. You only have 5 tries to do this. So as for your first Atrix I believe it is already locked permanently to ATT. Dont ruin your second Atrix.
Click to expand...
Click to collapse
Well I found that if you push #073887* in the dialer it will actually prompt you for the unlock code. I tried this with NO sim in at first and that is when it said it was unsuccessful. However late last night I inserted my ATT SIM back in and tried again just for ****s. Entered in #073887* and typed the unlock code and viola, it worked. Interesting information for anyone who wants to unlock there Atrix WITHOUT another carriers SIM!
But back to my original issue. I wouldn't mind if the original atrix was locked to ATT, at least I would still be able to use it. The problem is that it wont work with ANY SIM. My thoughts is that it is a glitch and locked the phone to... nothing?
To make matters worse I emailed cellunlocker.net explained the issue and they said they thought if they requested a carrier unlock code it would work. Paid the 20 and 10 minutes later they sent me the same unlock code ATT had provided. Now the hassle of obtaining a refund.
are you selling the phone?
komakos96 said:
are you selling the phone?
Click to expand...
Click to collapse
Yea. Both.
you have to use a *different* sim card than your regular carrier uses (ex - I'm on AT&T, so i used a Boost Mobile Sim to unlock my Atrix) You cannot use YOUR sim to sim-unlock.
jgc121 said:
you have to use a *different* sim card than your regular carrier uses (ex - I'm on AT&T, so i used a Boost Mobile Sim to unlock my Atrix) You cannot use YOUR sim to sim-unlock.
Click to expand...
Click to collapse
Yes you can, by the method I explained in my previous post. It works!
There may be some confusion. The one im referring to (the original ATRIX) will not unlock with an ATT sim, a TMOB sim, a verizon SIM, or even a Costa Rican SIM. NO matter WHAT the SIM is in the "original" phone it always prompts me for a SIM unlock password. Like I said I believe it to be a glitch, intending to lock it to the ATT SIM but in reality it locked it to NO SIM.
So to restate.
YES you can unlock an ATT Atrix with only an ATT SIM in the phone using the method I explained. ( I did it with the phone in my hand right now)
and
NO my original Atrix will not unlock regardless of SIM installed or method.
i will send you a p.m with my offer
Just out of curiousity did you ever set up the sim card lock feature in the location and security settings. It will ask you for the unlock code every time you turn your phone on...shot in the dark here....
Sent from my MB200 using XDA App

Check S3 unlock status

I have a locked S3 and I have gotten the unlock code for it from my operator. I put in another sim, got asked about the unlock code and entered the 8 digits. I was then able to use that sim.
I wanted to sell this phone and the buyer has a sim from a third operator and he got asked for the unlock code again. This time the 8 digits did not work. When I put in my 2nd sim it works again, and of course it works with my original sim.
As far as I have seen it should be possible to check the unlock status by entering a code on the dial pad. This does not work on my phone. It says USSD code running and then MMI-error.
I think this phone is unlocked and that there may be something wrong with my buyer's simcard, but I have to be sure. How can I check if this phone really is unlocked without getting ahold of yet another simcard?
There is a free unlock on the forum somewhere called voodoo unlock if I'm not mistaken.
Hope this helps
Sent from my GT-I9300 using Tapatalk 2
try *#7465625# thisone woks on my s3
*#7465625# does not work on my sgs3 4.1.1
Galaxsim unlock does the trick
https://play.google.com/store/apps/details?id=com.spocky.galaxsimunlock
Sent from my GT-I9300 using xda app-developers app

Global GSM not working

Hey i came to hong kong for a business trip and tried a local GSM sim but i get this sim is not supported error. DOes anyone know how to fix this.
I tried same thing sim on another phone it works. So not sure what the issue is ? did i need to get an unlock code from verizon before i left ?
If you can get access to a computer for awhile go through Adams unlock process in the original android dev forum and you'll be carrier unlocked, not sure what Verizon would give you for a code cant hurt to call and ask, but keep in mind unlocking it is something that can be done by you from here
Sent from my SCH-I605 using xda app-developers app
You sure it wasn't a "Non-Verizon SIM" on going notification? I've read of people using all sorts of different carrier SIMs and they all had at least voice/sms service if they had a signal. The phone is already SIM unlocked, so VZW couldnt give you much.
Sent from my Galaxy Note II
The non-Verizon SIM notification doesn't actually do anything. You should be able to get voice just by putting the SIM in. To set up data, you'll need to be rooted and add the APN manually.

Changing carrier and phone not working with new SIM

I have been using ATT service on this i777, now going to China and will be using their carrier for a long time. I learnt I have to go to either China Mobile or China Unicom if I'm to stick with this device. However both carrier's SIMs resulted in "SIM card not provisioned" notice and it's not working.
I am wondering if calling ATT helps, or I need a SIM unlock code, or I have to install a custom ROM to somehow bypass the SIM check? Or even more? I love this phone so I don't want to buy a new one here in China.
Any help is greatly appreciated!!
Sent from my SAMSUNG-SGH-I777 using xda app-developers app
Your phone needs to be sim unlocked. If it is not unlocked already, then by far the easiest route is to call AT&T to get the unlock code.
oh I'm sorry, I think I already unlocked it (spent a few bucks and got the code on a website)
I put in China Mobile's SIM and entered the code in the prompt box. Do I still need an unlock code from ATT ?
Sent from my SAMSUNG-SGH-I777 using xda app-developers app
creepyncrawly said:
Your phone needs to be sim unlocked. If it is not unlocked already, then by far the easiest route is to call AT&T to get the unlock code.
Click to expand...
Click to collapse
Thanks for the reply. I replied you above but didn't quote.
If the phone is already sim unlocked, then you don't need to unlock it again.
I've never gone through the unlock process, or traveled over seas, so I'm not the best person to answer your questions. I think "not provisioned' indicates that the sim is not activated, or that the phone is not set up for the network, or something like that. You may need to input the correct apn for the network. Maybe you could go to the carrier's store and find someone who could help you?
Maybe someone with experience will jump in and help.
creepyncrawly said:
If the phone is already sim unlocked, then you don't need to unlock it again.
I've never gone through the unlock process, or traveled over seas, so I'm not the best person to answer your questions. I think "not provisioned' indicates that the sim is not activated, or that the phone is not set up for the network, or something like that. You may need to input the correct apn for the network. Maybe you could go to the carrier's store and find someone who could help you?
Maybe someone with experience will jump in and help.
Click to expand...
Click to collapse
yes I think you're right. I've been using dumbphone so I didn't reply you. Thank you!
Sent from my SAMSUNG-SGH-I777 using xda app-developers app

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