Hello, I used the SIM unlock method from the thread here on XDA and was able to successfully unlock my phone and use it on a foreign network. A bit later I had a problem with my Bluetooth so I did a factory reset, and now the phone says 'sim not allowed mm #3' when i put in a foreign SIM.
The frustrating part is that when I go to the unlock menu there is a list of various logging methods, but every one of them says 'Phone is not personalized' which means the phone is unlocked, so there is no way to reenter an unlock code.
Is there a wwayas to check and change the software lock status?
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I unlocked via gfree using "./gfree -f" and have engineering boot 0.85.2007. In messing around in the bootloader at one point, I managed to accidentally select the "SIMLOCK" option in there...would that have permanently reset my simlock, or what does that option do? Is there a way to verify that I'm still simunlocked?
Also, if I do have simunlock active, does this mean I can use a prepaid sim card in another country without getting any kind of unlock code from TMO?
Thanks...
You would have to put a different carrier's simcard in to verify if you are unlocked. And yes, you can use prepaid sims overseas.
So no way to verify if simunlocked without actually trying another carrier's card huh?
So does anyone know - what does that "simlock" option in hboot actually do?
Bump...?......
Got an unlock code from AT&T, but I can't seem to be able to get to the point where I can punch it in and unlock the phone (no, I do not have a SIM card). Any advice? I tried a bunch of codes to get it to unlock mode, none works. Currently running CM13 on my 1337.
Many thanks!
In order to be promoted for sim unlock code or to enter the unlock code using the dialler menu, the phone needs to be running a stock or close to stock rom with the stock dialler.
Hi All - I recently bought a Samsung Galaxy S8 from someone else. It worked fine when I was with T-mobile but when I moved to another network and popped in a new SIM, it asked me to "Enter network unlock code". I figured it must be locked to T-mobile so I reached out to them. They said my account met all the unlock criteria and said they'll send me instructions via email. I got the email two days later saying I need to use the "Device Unlock App". However, there's no such app on phone and there's no way to install it either (its not in the Play Store). I went back to T-mobile and they said since the device wasn't purchased through T-mobile, its not be a T-mobile "branded" phone. My questions are:
1. If its not a T-mobile branded phone, why does it only work on the T-mobile network? I checked its not rooted. It doesn't have any T-mobile apps and doesn't show any splash screen with the T-mobile logo.
2. Someone said that Samsung GS8 locks to the network of the first SIM you put into an unlocked phone. Is that true?
3. T-mobile says they've "whitelisted" my IMEI, so if I can somehow get the Device Unlock app I may be able to unlock it. Any idea how I can do that? Do I need to flash the firmware and install the T-mobile version or is there another way.
Thanks!
If you need to app, you can try here: https://support.t-mobile.com/docs/DOC-14011
However, as your phone is asking for the unlock code, the app might work but not unlock your phone.
You really need to do a network check and see which network is your phone actually locked. If your phone needs unlocking code, you might need factory level codes.
I think you should visit :
https://support.t-mobile.com
Hello all, having some issues unlocking my device. Here is a bit of information about the proces:
It is originally a T-Mobile handset (G935T). After suffering from a hard brick I eventually revived it with a factory binary image (ATT, Binary 5 bootloader). After reviving the device after the factory binary, the only firmware currently out there that supports binary 5 bootloader is Sprint (G935P). So to do the unlocking process I contacted a third party to get a network unlock code, I input a network locked SIM card into the device to get the dialogue up to input the code. After doing so the phone states that the network unlock was successful, however it still shows that there is an invalid SIM inserted. After a bit of further investigation I realized that any numeric value will result in the "network unlock successful" I've even reverted to the ATT factory binary and tried the same process, I get the same result on that firmware. If anyone has any insight as to why this might be happening would be greatly appreciated.
oSlLENCEo said:
Hello all, having some issues unlocking my device. Here is a bit of information about the proces:
It is originally a T-Mobile handset (G935T). After suffering from a hard brick I eventually revived it with a factory binary image (ATT, Binary 5 bootloader). After reviving the device after the factory binary, the only firmware currently out there that supports binary 5 bootloader is Sprint (G935P). So to do the unlocking process I contacted a third party to get a network unlock code, I input a network locked SIM card into the device to get the dialogue up to input the code. After doing so the phone states that the network unlock was successful, however it still shows that there is an invalid SIM inserted. After a bit of further investigation I realized that any numeric value will result in the "network unlock successful" I've even reverted to the ATT factory binary and tried the same process, I get the same result on that firmware. If anyone has any insight as to why this might be happening would be greatly appreciated.
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it seems the binary rom it doesn't flash the modem,so that's why you might get this issue,,what you can do is try to unlock network with a cracked version of Z3X (try latest 29.5) and then reflash your stock rom using odin,if you need help add me on facebook www.facebook.com/emil93
Hi Folks,
I have a VNS-L31 running C440B392, EMUI 5.0.4
It is UK region and currently locked to EE, or sort of. I have the unlock code from EE, no problems getting that but when I put in different SIM cards I'm not given the prompt to unlock the phone. The phone boots and tries to connect but then fails to register on the network.
Oddly, if I boot the phone, put in an EE SIM and allow it to connect, then swap the SIM to another network without rebooting it will connect to the alternate network for a short while.
I've been looking at the instructions for putting custom firmware on but most of the links are old and dead. Even trying to find copies of the stock ROM doesn't do well these days as the Huawei database is gone.
So, I'm not sure where I am with it other than waiting for a response from EE that may or may not help.
Factory reset makes no difference...
It's a lot of hassle to go to for a backup phone!
Cheers.