I got an unlock code from Tmo and borrowed a AT&T SIM from my friend. She doesn't have internet, and I put in the unlock code in and it was unsuccessful. Then, when I got home, I tried using another AT&T SIM, but this one is not active. When I put it in and rebooted, and there was no prompt to unlock. Am I doing anything wrong? Or what is the proper way to do it?
Oh yeah, I pulled the battery when I changed SIMs.
Does it matter if you are stock ROM or a custom? Mine worked on stock just fine, never tried it any other way though.. Maybe a factory restore? It shouldn't matter if the non-carrier SIM is active or not either..
Im on Jugg 5.0....
Should come up as it detects the different carrier. Try making a call on the ATT Sim. You might already be unlocked for some reason.
Hello i am having an issue with UNLOCKING my optmius 2x from fido. i just bought it and decided to unlock it, so i went out and found the most well know site i could to buy a code and made SURE everything matched up and it all did and still DOES Now my problem is as follows-
I entered the nck code first the phone quickley rebooted and i threw a new rogers sim into the phone but i got no bars and the phone told me there was not network then switched to no sim.
Then i put a bell sim card into the phone with the same response nothing.. so i went and put the rest of the codes into the phone and they all gave me network unlock request unsuccessful and same with the nck one now as well.. and i do not know if it said that it work the first time as it was just a quick flash
Now i have been geting help from people down in the optmius 2x section of the fourms they told me i should revert to stock 2.2 and i did with the SAME RESULTS! i also tryed an ics rom and i could not even get to the sim screen.
Can any one help me on this problem? i am looking to use my phone and i am not able to at this time
The phone is now rooted and runing ics
let me know how i can fix this
Thanks in advance!
So over 300 people have never seen this before anyone one know of a way to see if the phone is unlocked WITH OUT putting in a diff sim card like a terminal command or somthing? also is there another way of unlocking the phone via softweare?
also here is a video of the problem http://www.veoh.com/watch/v33213769CCkKgRTz
I have the MSL code but when I put a sim card in for ATT and reset the device it says invalid sim card. I never get an option to enter the code in to unlock the device for another carrier. I am stock firmware not rooted. I actually tried loading ATT stock firmware on to the tablet and that didn't work at all. I can't take it to sprint because the person I bought it from is not in good standing with them.
Any help would be awesome!
I know this is old, but did you ever get your tablet sim unlocked?
I have one I have been trying to get unlocked, using an idoneapps unlocking app to debrand and unlock my tablet. I’ve run the app several times and while it got rid of the sprint branding and boot image, and says sim unlock successful, I keep getting invalid SIM card error.
ive reset network settings, my tablet is stock 4.4.2 firmware and rooted.
So, I have contacted AT&T about my move to T-Mobile and that I needed my phone unlocked. They told me how to do it and once I received the code, I tried it with my cousins sim card (T-Mobile) and tried it twice, but it failed. The email in which I received the code stated that I only have 5 tries before it permanent locks to AT&T, so I stopped trying. I went to the T-Mobile store and tried with a sim card there, and it failed again. I now only have 1 last try, so I want to know if there is a way to unlock my phone after it has been rooted. I suspect the reason my unlock code is not working is because of my phone is rooted, and running the slimkat image.
Does anyone know what is the best way to proceed from here? I don't have the original image from my phone anymore, but I have my sister's phone and if making an image of her phone would work to restore my phone to AT&T, then I can do it. But if there is another way of doing this, please let me know. I even tried using some unlock tool app, but it failed. It actually doesn't do anything. I tried SGS Unlock Tool and CSC Select.
mji2015 said:
So, I have contacted AT&T about my move to T-Mobile and that I needed my phone unlocked. They told me how to do it and once I received the code, I tried it with my cousins sim card (T-Mobile) and tried it twice, but it failed. The email in which I received the code stated that I only have 5 tries before it permanent locks to AT&T, so I stopped trying. I went to the T-Mobile store and tried with a sim card there, and it failed again. I now only have 1 last try, so I want to know if there is a way to unlock my phone after it has been rooted. I suspect the reason my unlock code is not working is because of my phone is rooted, and running the slimkat image.
Does anyone know what is the best way to proceed from here? I don't have the original image from my phone anymore, but I have my sister's phone and if making an image of her phone would work to restore my phone to AT&T, then I can do it. But if there is another way of doing this, please let me know. I even tried using some unlock tool app, but it failed. It actually doesn't do anything. I tried SGS Unlock Tool and CSC Select.
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I don't believe it failed do to being rooted so much as being on a custom ROM and not having the stock dialer. You will probably be best served by reverting to a Stock ROM before using your last try. BE CERTAIN you flash the ROM appropriate for your current bootloader and modem. If you fail with your last try your only recourse will be to purchase an unlock code from a third party, or so I have read (unless you are still on the 4.1.1 bootloader and modem).
The best bet is to revert to stock unrooted if possible. What is your current boot loader? This is extremely important as this will determine your options, if any, of returning to stock and methods of unlocking.
Well, I rooted my phone back when I first got it (2 years ago), so I am not sure what boot loader I have (I think I was running Jelly Bean 4.1). I know that I never updated to anything afterwards. It was not until recently that I updated to the SlimKat, rather than trying to update to an AT&T image. If I was to install one of the stock ROMs, do I need to use my computer, or can I use TWRP? Or do I need everything to be stock?
Before flashing anything, download the Samsung Phone Info app from the play store and confirm the bootloader and modem currently on your phone. Post the version here and we'll try to help you get your phone unlocked.
Root gives you access to system files and does not have an effect on entering an unlock code into a stock ROM.
I just download an app called "Phone INFO Samsung" but I don't see anything under "Firemware's CSC Code" -- totally blank. When I choose to browse firmware, it only shows me the year 1970-01-01, and CSC: ATT. The Mnufacture date: 2013-01-19
You need to look for the bootloader, not firmware.
If you have a terminal app on your phone, open the app, type su and press enter. Type getprop ro.bootloader and press enter.
okay, this is what I got:
I747UCDLK3
Thanks for helping out with this.
So, since my attempts of unlocking have been on the non-Stock ROM, does it still count towards my 5 failed attempts? Or is the phone able to keep count of the attempts, regardless of ROM? I would assume that since the correct ROM has to be installed for the unlock code to work, then shouldn't the ROM be the one keeping count of the failed attempts, too? Just wondering...
Since you are on LK3 bootloader, that means you can use the free method to unlock your phone.
You can use Odin to flash the stock ATT 4.1.1 ROM from sammobile.com: http://www.sammobile.com/firmwares/database/SGH-I747/.
Free method is here: http://forum.xda-developers.com/showthread.php?t=2529200
audit13 said:
Since you are on LK3 bootloader, that means you can use the free method to unlock your phone.
You can use Odin to flash the stock ATT 4.1.1 ROM from sammobile.com: http://www.sammobile.com/firmwares/database/SGH-I747/.
Free method is here: http://forum.xda-developers.com/showthread.php?t=2529200
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Sorry to be such noob at this, but do I need to use (Odin via) my computer, rather than using the TWRP recovery tool already on my phone? I know I have not gone through all the research material, I just did this once and never looked back, I am still in the noob stage.
Yes, you must use desktop Odin (I recommend Odin 3.07) to flash stock 4.1.1.
If you decide to flash using Odin, uncheck everything except f.reset time before flashing. After flashing and you see the word "reset" in the status window, remove USB cable, remove battery, replace battery, boot into recovery, do a full factory reset/wipe, boot the phone, use the free method to unlock the phone, restart, and you should be permanently sim unlocked.
Okay, got it! Thanks for the responses, and I appreciate the fact that you guys did not just send me searching through the tons of threads you have compiled in the forums. I was sort of expecting to be chastised for not doing extensive research before posting. You guys have been great!
So I bought a used z2 force form a dealer but the phone is carrier locked by sprnt. Is there anyway I can unlock this phone. I live in pakistan so I cant make online payments using paypal and other stuff. Please I need all the help I can get. I am stuck with this phone and I really dont know what to do anymore. I tried installing custom roms but that also didnt work.
One thing I would like to mention. Whenever I flash the phone with a stock oreo rom the sim works but after I restart the phone It says invalid sim. It doesnt even asks me for an unlock code. I used the sim on my phone for a month in this way but my phone accidentally restarted.
Please If anyone can provide me with any method of unlocking I will be truly grateful. And my phone's bootloader is unlocked and TWRP is installed if that helps.