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[Q] Problems with sim unlock galaxy s2 I9100, chainfire and helroz unsuccesfull

Hi there,
I am having difficulty unlocking my new (UK) galaxy S2 and I figured this is the best place to ask for help. I have searched the threads on this forum and have not been able to find the answers I need. So I'm starting a new thread.
I have rooted the phone successfully and followed the instructions with the chainfire app and when it finished it said it couldn't find the unlock code. The phone came from Virgin as part of a contract, however the contract has been cancelled and I don’t have a virgin sim any more so I haven’t actually tried it with the virgin network. It might be worth mentioning here that when I put a different sim card in it the screen that pops up asking for the unlock code isn't there. I have also completed the procedure with the “galaxy S Unlock” app created by Helroz and that was also unsuccessful. Because the three steps in "galaxy S unlock" were unsuccessful I have restored the efs folder back to its original state. I have not bothered to try the manual method of recovering the unlock code using the hex editor because after reading this forum it seemed unlikely to work and it looked like a bit of a hassle.
I have tried several sim cards in the phone that work with my friend’s phone. And my phone was unable to connect to any networks. Except, when I tried my friends T-Mobile contract sim card I connected to the T-mobile network but my phone wouldn't allow out going or incoming calls however the data network worked fine! Yes the internet was working through the t-mobile network (wifi was turned off)
Isn't that weird!!!! So it kind of looks like the phone might be being blocked by the service provider but I find that very unlikely because up until a couple of days ago the phone was sealed in its box.
I have read through most of the "[HOWTO] GT-I9100 Free SIM Unlock via nv_data.bin by Odia" thread and there is some mention of a new locking technique employed by the various phone network companies. Does my problem sound like it could fall in to that category??
It might also be worth mentioning that I took the phone to a phone shop to see if they could unlock it. They couldn't, but the guy did check the IMEI number on a website called checkmend.com and that site reported: "checkmend has a record of this item having been blocked by a cell phone network" and "checkmend has a record that this item is currently blocked by one or more cell phone networks". Does anyone know anything about this website and weather it is reliable or not. Like I say I find it extremely unlikely that it has been blocked because I have only just got it out of the sealed box.
I am very frustrated as you can all imagine and I would really appreciate some help. Feel free to ask any questions, I am a bit of a noob but I'm not completely incompitent so don't be afraid to get technical.
Thank you for listening,
Yours,
Dardarland.

Bump...
I'm having kind of the same trouble here...
I tried the Chainfire's app and it couldn't find my code, so i went and tried the Helroz App
after following the instructiones in the app and checking with *#7465625# it changed network block to OFF... but when i inserted a diff carrier sim it said: network block... and now my other carrier sim got blocked and won't get recognized by the phone it used to be in... LOL
pls help us both!!

Unlocking
Hi
I did have the same problems with the chainfire app
what i did is use Galaxy_S Unlock (google it as I can not post links at the moment)
Also you will need to install busybox for this to work.
just search for busybox in market and install the first app that comes up
Hope it works

ragsbava said:
Hi
I did have the same problems with the chainfire app
what i did is use Galaxy_S Unlock (google it as I can not post links at the moment)
Also you will need to install busybox for this to work.
just search for busybox in market and install the first app that comes up
Hope it works
Click to expand...
Click to collapse
Thanks fella, worked like a charm

Re: fjaraiza
fjaraiza said:
Bump...
I'm having kind of the same trouble here...
I tried the Chainfire's app and it couldn't find my code, so i went and tried the Helroz App
after following the instructiones in the app and checking with *#7465625# it changed network block to OFF... but when i inserted a diff carrier sim it said: network block... and now my other carrier sim got blocked and won't get recognized by the phone it used to be in... LOL
pls help us both!!
Click to expand...
Click to collapse
Hi fjaraiza,
I saw somewhere in the forum guys that were having similar problems due to the carrier branded rom they had on the phone and due to helroz method which is far more intrusive than odia's. Helroz is flipping bits within nv_data.bin which might lead to corruption. The success of Helroz's method also depends on the phone protection method, some newer versions check the correspondent md5 and ignore the file if it's not the right one.
Your best bet would be to restore an /efs backup if you have one or backup the current state of /efs and try another rom.
Good luck,
Stefan.
P.S.: use thanks when the supplied information is useful

can unlock the messed up ones for a lil fee, pm

Helroz unlocks but then locks again...
Hi all, I've got a weird problem. I used Helroz SIM unlocker on my SGS2 (Im running the latest CM9 build 28/8) and it works. Helroz unlocks the phone but only for about 1-2h?! After about 1-2h the phone has lost NW connection and ask for the SIM unlock code. If I press 'dismiss' then I can run Helroz unlocker again and it will be ok for 1-2h and then loose the unlock again... Has anyone had this problem? Before I used a stock Samsung ROM and then Helroz unlocker worked perfectly, its since I've moved to CM9 ROM that I'm having this issue. Can anyone help?
Thanks in advance

I did have the same problems with the chainfire app
what i did is use Galaxy_S Unlock (google it as I can not post links at the moment)
Also you will need to install busybox for this to work.
just search for busybox in market and install the first app that comes up
Click to expand...
Click to collapse
This worked like magic, but i can i now uninstall the busybox as i dont need it or do i have to keep it on my phone to have it unlocked?

same pronblem
i unlocked my phone using "samsung galaxy unlock" when it was on gingerbread. then i updated it to jelly bean using cm10.2 & after that when i switched it on it says "Enter sim unlock code". i used the same app again but did't get any benefit. also tried few other apps but failed. now when i put the 3 network (the original carrier) it do same with that as well. somebody tell me what to do?

Can't change OEM Marketplace anymore :(

I can't change the oem marketplace...now my marketplace oem stucks on OEM APPS from Marketplace Config but it doesn't work, I tried to change the oem by WPHTHWEAKS, winTT (it doesn't open anymore ), via manual registry modification but nothing the oemmarketplace doesn't work and doesn't change...any solution??? I am in panic...

First of all, do *NOT* change anything in the registry to switch Marketplaces!! Doing so will break the Marketplace DRM on your phone, making it impossible to install or run Marketplace apps. If you did change anything, change it back immediately!
Assuming that hasn't already happened, a little more detail would help. What phone, what ROM, what unlocks and other hacks have you applied? Are you restarting the phone after applying the Marketplace switch?

GoodDayToDie said:
First of all, do *NOT* change anything in the registry to switch Marketplaces!! Doing so will break the Marketplace DRM on your phone, making it impossible to install or run Marketplace apps. If you did change anything, change it back immediately!
Assuming that hasn't already happened, a little more detail would help. What phone, what ROM, what unlocks and other hacks have you applied? Are you restarting the phone after applying the Marketplace switch?
Click to expand...
Click to collapse
Now after a lot of attempts I can change the oem marketplace...but when I open the oem marketplace (Nokia Collection, but tried with Samsung Zone too) it give me an error: "THE MARKETPLACE IS NOT AVAIBLE AT THE MOMENT. TRY AFTER. Code error:c00cee4f".
Did I break the DRM?? How can I fix it??...Anyway I can download and install apps and if I write "Nokia" in search bar, I can see all Nokia apps and download it without problem...
The phone is an Omnia W, stock rom rooted, upgraded to Tango.

Now the Oem Marketplace returned to be Samsung itself but it give me the same error....thanks for your help

Breaking the DRM usually makes it so you can't even launch Marketplace apps that are already installed, so that's probably not what's happening here. I don't know for sure what *is* happening, though. The only known way to fix your phone if you break the DRM is to either restore a backup from when it was working, or hard-reset, so hopefully that's not the problem.
That error code unfortunately doesn't mean anything to me. Disregarding the high-order bits (which Microsoft usually uses to show what type of status code it is; in this case, an error), that's error number 847439 in decimal. I've never seen that error before.
You might try just renaming or otherwise removing all the files in the PimentoCache\Keepers folder (all the Marketplace config files are there). Then restoart your phone. Marketplace might not work at that point, but the phone should automatically restore the correct files in a day or two.

GoodDayToDie said:
Breaking the DRM usually makes it so you can't even launch Marketplace apps that are already installed, so that's probably not what's happening here. I don't know for sure what *is* happening, though. The only known way to fix your phone if you break the DRM is to either restore a backup from when it was working, or hard-reset, so hopefully that's not the problem.
That error code unfortunately doesn't mean anything to me. Disregarding the high-order bits (which Microsoft usually uses to show what type of status code it is; in this case, an error), that's error number 847439 in decimal. I've never seen that error before.
You might try just renaming or otherwise removing all the files in the PimentoCache\Keepers folder (all the Marketplace config files are there). Then restoart your phone. Marketplace might not work at that point, but the phone should automatically restore the correct files in a day or two.
Click to expand...
Click to collapse
Fiuuuuuuuuuhhhh... DRM is saved xD...ok i will try to rename that files and let you know if this method will work...thank you again
Edit: I can't find PimentoCache\Keppers folder---->Edit2: Found
EDIT 3: Thanks GoodDayToDie...problem solved finally You rules!!!!

Need help with SIM Network Lock (SM-J700M)

Alright, so, last weekend I got a new Samsung Galaxy J7 with Android 6.0.1. The first thing I did was rooting it. It was all going fine until I accidentally unticked the "OEM Unlock" option on Developer Mode, so when I rebooted it, it had an FRP Lock.
I used a Latin American firmware to be able to boot it again. At boot, there was this "entel" logo, and this seemed to have changed my IMEI because my phone always said Network Unavailable. I didn't check the IMEI prior to rooting it, but I noticed the printed one and the one shown on the phone weren't the same... but this isn't the real problem.
Originally, the phone was unlocked (no specific carrier/operator holding it), and I somehow "fixed" the Network Unavailable thing by erasing the efs folder on root... well, it was a longer process than just deleting it, I backed up the folder and copied some files (some might know what I'm talking about). After that, the IMEI was the same than the printed one, but, my phone is now network SIM locked!
I have to input a code to unlock it. I did some googling and apparently only the carrier can give it to you, so I tried 3 different carrier SIM cards to see if any of them were the carrier's, but none of them worked as accepted,and I don't know what carrier could it be... I'm even worried it may be a Latin American one (from Chile or Argentina maybe since that's where the firmware used was from) and I won't be able to get it.
I know there are websites to get a code, but I don't want to pay so much and risk getting scammed.
I tried to see if "entel" was a carrier to unlock it, but it didn't help.
Also, when I try to choose a network on Mobile Networks settings, the only available one is AT&T (which I don't use/have a SIM of), but when I accessed their website to unlock, it said my IMEI wasn't registered as theirs apparently.
Then, I also tried using Samsung's Smart Switch application on PC with the Device Initialization option, but when I try to use the firmware from that I get a SW REV. Check Fail.
I might be wrong, but I feel that since messing with the system files/root was what changed it, maybe I can fix it the same way with no unlock code or carrier help.
So, does anyone have advice, or know some other way to reset it? Or do I really have to go get it fixed/unlocked somewhere?

frostx said:
Alright, so, last weekend I got a new Samsung Galaxy J7 with Android 6.0.1. The first thing I did was rooting it. It was all going fine until I accidentally unticked the "OEM Unlock" option on Developer Mode, so when I rebooted it, it had an FRP Lock.
I used a Latin American firmware to be able to boot it again. At boot, there was this "entel" logo, and this seemed to have changed my IMEI because my phone always said Network Unavailable. I didn't check the IMEI prior to rooting it, but I noticed the printed one and the one shown on the phone weren't the same... but this isn't the real problem.
Originally, the phone was unlocked (no specific carrier/operator holding it), and I somehow "fixed" the Network Unavailable thing by erasing the efs folder on root... well, it was a longer process than just deleting it, I backed up the folder and copied some files (some might know what I'm talking about). After that, the IMEI was the same than the printed one, but, my phone is now network SIM locked!
I have to input a code to unlock it. I did some googling and apparently only the carrier can give it to you, so I tried 3 different carrier SIM cards to see if any of them were the carrier's, but none of them worked as accepted,and I don't know what carrier could it be... I'm even worried it may be a Latin American one (from Chile or Argentina maybe since that's where the firmware used was from) and I won't be able to get it.
I know there are websites to get a code, but I don't want to pay so much and risk getting scammed.
I tried to see if "entel" was a carrier to unlock it, but it didn't help.
Also, when I try to choose a network on Mobile Networks settings, the only available one is AT&T (which I don't use/have a SIM of), but when I accessed their website to unlock, it said my IMEI wasn't registered as theirs apparently.
Then, I also tried using Samsung's Smart Switch application on PC with the Device Initialization option, but when I try to use the firmware from that I get a SW REV. Check Fail.
I might be wrong, but I feel that since messing with the system files/root was what changed it, maybe I can fix it the same way with no unlock code or carrier help.
So, does anyone have advice, or know some other way to reset it? Or do I really have to go get it fixed/unlocked somewhere?
Click to expand...
Click to collapse
Did you ever get anywhere with this? I am trying to switch carriers from t mobile to boost on the Sm-j700f and I need to unlock it

Need help with SIM Network Lock

(I accidentally posted this in an unrelated discussion so sorry if it appears twice!)
Alright, so, last weekend I got a new Samsung Galaxy J7 (SM-J700M) with Android 6.0.1. The first thing I did was rooting it. It was all going fine until I accidentally unticked the "OEM Unlock" option on Developer Mode, so when I rebooted it, it had an FRP Lock.
I used a Latin American firmware to be able to boot it again. At boot, there was this "entel" logo, and this seemed to have changed my IMEI because my phone always said Network Unavailable. I didn't check the IMEI prior to rooting it, but I noticed the printed one and the one shown on the phone weren't the same... but this isn't the real problem.
Originally, the phone was unlocked (no specific carrier/operator holding it), and I somehow "fixed" the Network Unavailable thing by erasing the efs folder on root... well, it was a longer process than just deleting it, I backed up the folder and copied some files (some might know what I'm talking about). After that, the IMEI was the same than the printed one, but, my phone is now network SIM locked!
I have to input a code to unlock it. I did some googling and apparently only the carrier can give it to you, so I tried 3 different carrier SIM cards to see if any of them were the carrier's, but none of them worked as accepted,and I don't know what carrier could it be... I'm even worried it may be a Latin American one (from Chile or Argentina maybe since that's where the firmware used was from) and I won't be able to get it.
I know there are websites to get a code, but I don't want to pay so much and risk getting scammed.
I tried to see if "entel" was a carrier to unlock it, but it didn't help.
Also, when I try to choose a network on Mobile Networks settings, the only available one is AT&T (which I don't use/have a SIM of), but when I accessed their website to unlock, it said my IMEI wasn't registered as theirs apparently.
Then, I also tried using Samsung's Smart Switch application on PC with the Device Initialization option, but when I try to use the firmware from that I get a SW REV. Check Fail.
I might be wrong, but I feel that since messing with the system files/root was what changed it, maybe I can fix it the same way with no unlock code or carrier help.
So, does anyone have advice, or know some other way to reset it? Or do I really have to go get it fixed/unlocked somewhere?

FRP lock

Hi,
Is there a working method or software for removing FRP lock from a Pixel 2, latest update?
None of the ones online I can find work anymore.
Context: I purchased a 2nd hand phone, but the seller forgot to remove his google account before resetting it and its proving complicated to reunite him with the phone so he can enter his details and remove the lock. He suggested I look into ways of removing it.
Thanks,
kami

kamicavi said:
Hi,
Is there a working method or software for removing FRP lock from a Pixel 2, latest update?
None of the ones online I can find work anymore.
Context: I purchased a 2nd hand phone, but the seller forgot to remove his google account before resetting it and its proving complicated to reunite him with the phone so he can enter his details and remove the lock. He suggested I look into ways of removing it.
Thanks,
kami
Click to expand...
Click to collapse
I have no idea if this works, but you could try this...
Be VERY careful with any method that suggests downloading files. FRP unlock/bypass is one of those "gray areas" where you're likely to run into malicious software.