Samsung Galaxy On5: Attempting network unlock via code, no screen ever pops up - Samsung Galaxy On5 Questions & Answers

I've searched this several ways, I have tried the couple fixed I have found to no result.
I have an On5 on Simple Mobile. I am trying to unlock it for use with T-Mobile. The expected prompt to enter a code never pops up, only a notification sent from the Phone app stating Invalid SIM Card: Network locked SIM card inserted.
The fixes I have found involved utilizing dialer codes - *#*#4636#*#* and selecting GSM Auto (PRL) was one, but this code did not trigger a menu, only a message Not registered on network. I guess the device was attempting to call the code. The default service menu code is not working either.
I read only one line that seemed to hint at any solution: unlock has to be done through the app. What app? Simple Mobile doesnt have a device unlock app like T-Mobile does, do they?
Any help or information anyone has is very appreciated.

Related

is my xda 2 locked?

here is what happened...
got my xda 2 a few weeks which was supposedly "unlocked" and installed a sim card from my local provider and i had mobile inernet for about a week and then a few days later it just stopped. i completely lost the signal and up in the connectivity section it just says "no service". i have tried a hard reset and that didnt help. i still dont know when the heck happned or what is wrong but now things have gotten even weirder. when i toggle between flight mode on and off it prompts me saying "sim card blocked. please enter PUK" does this mean my xda 2 is locked? is it possible for a device to be unlocked and then locked all over again for some reason?
i tried using the unlocking tool from this site but the one that runs off you desktop pc tells me the phone is already unlocked and the one you run off your pocket pc tells me everything is fixed but i still get prompted for the PUK?
your problem is that your SIM card is locked, not your device. This mostly happens when you try to enter the PIN code 3 times without success. The only way out is to enter the PUK code, so you can change the SIM password.
In Europe, this code is mostly given to you at signup time. Here, in the US, they make you call the telcom operator and dig it out of them, if you get a competent person on the other end of the phone line.
So, my bet is that you entered the wrong pin code for your phone -- and maybe you did this without even knowing you did it.
sigh...to tell you the truth i was hoping it was a locked xda 2...maybe that would of explained why im not getting a signal ...
You are not getting a signal because the puk is now required to access the sim/service provider. You should be able to get the puk by calling your provider or online through your providers internet site, you should then have a working phone again. To prove this to yourself just place another sim in the phone.

LG Optimus Unlock -- Strange Security?

Hey guys, strange problem:
Got a Telus LG Optimus 7. Want to unlock it to Rogers. Got the unlock code, however when I use my Rogers SIM the Optimus asks for a 'PUK' number.
Long story short, I called Rogers, they gave me the PUK for my SIM. When I enter it I get 'SIM Error'. So I went to a Rogers store and got a new SIM card with a new PUK--same error. Tried someone else's Roger's SIM--still asks for PUK.
I called around, no one has any idea what's going on. Google can barely help. Telus tells me I have to pay $50 to get it off their network, but I can't trust the rep knew what the problem was and they won't just give me an unlock code I already have. A 'cell phone repair shop' tells me LG phones are impossible to unlock anyway (? really?). So my question is:
How do I unlock this phone? What kind of security is this (could the PUK refer to someother other than a SIM's PUK)? Anyone have experience unlocking a Telus Optimus? Can I flash this thing and see if it'll bypass the PUK part?
Any help would be deeply appreciated. Other wise I have to try and resell this phone.
So, I re-flashed the phone anyway, just to see if it works.
Now it's a little different. Now it asks for a PUK and once I enter that it tells me to create a PIN. When I do it says SIM ERROR! So while I can get a little farther it still errors out!
I've tried both the Telus flash and the Mexico flash.
So if it's not the firmware, what could be causing this?!
PIN & PUK security depends on SIM card functionality, in this case phone software is transparent and does not verify PIN. IMHO it looks like incompatibility between SIM card and WP7 phone or strange configured SIM card. Try on another non-WP7 phone, maybe if you set or disable PIN code card will function on WP7 phone.
Thanks for the tip elektryk. I think you're on to something.
I have tried the SIM in a non-WP7 phone. It works fine. I put it in both an iPhone and BB. Using the iPhone I created a PIN then tried the Optimus. It now asks for a SIM pin--which I input, then goes back to the PUK screen which still fails.
It seems to be a very strange incompatibility with the SIM, even though I've read reports of Telus Optimus being unlocked for Rogers SIMs.
Bad luck I suppose?
I have exactly the same problem. I put a SIM with PIN security enabled, and after I enter the correct PIN requests the PUK!! and if I disable the PIN secure, request inmediatly for the PUK. The Phone say: Your phone is Blocked. Contact the Service provider for an unlock code.--- the only problem is that I don't use the AT&T service, so I can't contact them!! HELP!!!!!!!!!!
Fabian, I could not find a way around the problem so I sold the phone. Luckily there was another e900h which was unlocked for sale. The guy followed the same steps I did but it never asked for a PUK. Weird how some phones do and others don't (especially considering both phones were from the same provider).
EDIT: Hey, try this, see if it works: Try without sim card for enter the unlock code. and type 2945#*900# for enter the unlock menu
BakedGoodsX said:
Fabian, I could not find a way around the problem so I sold the phone. Luckily there was another e900h which was unlocked for sale. The guy followed the same steps I did but it never asked for a PUK. Weird how some phones do and others don't (especially considering both phones were from the same provider).
EDIT: Hey, try this, see if it works: Try without sim card for enter the unlock code. and type 2945#*900# for enter the unlock menu
Click to expand...
Click to collapse
Hey, start the phone without sim card, but no unlock code required, no where to type.
I've a E900h where none of the 5 unlock codes provided worked for some reason. Haven't ask for PUK yet but lost as to what to do right now.
Typing 2945#*900# just produces a failed msg - top left hand corner is a file icon with lock on the left.
In our country ones you buy a sim from network provider.
they give us a card with a PUK code for the sim we buy.
Try to contact your service provider.
Unlock codes is For unlocking SIm Only.
you can switch different SIM f u have unlock codes.
it is different with SIm Pin Code.
You can get Ur PUK Code to your service Provider.
what country were u from??
PRESS THANKS IF I HELP!!

[Q] Unlock codes

I've just got the s4 on EE but need it unlocking, I bought a code for 14.99 it didn't work so I bought another from a different place exactly same code lol so I've tried but all I get is unsuccessful I've tried the freeze code that they supplied too but for some reason it won't unlock.
Is there another method to unlock it?
I have exactly the same problem. I bought code (got four codes: NETWORK, PROVIDER, SUBPROVIDER, DEFREEZE) and it didn't work. In email there was couple of methods but I can't go to Network Lock screen after I typing this in dialer *7465625*638*# and don't have idea how to get to MCC/MNC to put code for the service provider.
If someone know at least how to solve this I would be more than happy.
Phone is locked in 3 Sweden.
[EDIT] ok, i managed to unlock - i tried Provider code and then Defreeze code instead of typing Network code. don't know if its matter but before i did it i was trying with simcard from 3 to use some of Dialer codes - but any of them didn't work so i switched to locked simcard and with Provider + Defreeze codes combination.
Sent from my GT-I9300 using Tapatalk 2

[q] spc breakthrough

Phone Spc code options....???
OKAY.....so Ive spent days, and hours trying to unlock my sprint samsung galaxy s4 L720PUBNC6 BUILD/ android 4.4.2 to use for straight talk. I had an S3 and pretty much have all US S3 variants mastered. I was able to get in to service mode by dialing *#0011#. I pressed back, key input"Q", and key input "000000" waited about 15 seconds. I used the instructions from this post to change the settings, but nothing happened. I used several others post from various forums to try, and get the MSL/SPC code. MSL reader, and get my MSL apps did not work. regionlock away did not work, and neither did SAMIOTA hidden menu app. If you download MSL utility.apk it will give you your SPC code. The question now is what options to change? I still get the invalid sim message, and so far no service. I did get a breakthrough of sorts....my phone tried to set up on ZACT Mobile. which is apparently sprints version of a prepaid network. If someone can help figure out the options needed then we can master this device, and move on to the S5.

Assisted Dialing can't be turned off.

I've got the Au Carrier version, Model Number "SCV33".
The problem was that the phone came with locked network, but i unlocked it through About>Status>Sim Lock Status by registering my SIM.
The 2nd problem which i cant solve is whenever i try to call someone it keeps giving the options "Set Dialing Destination: To Japan or To Oversees"
Pressing to Japan causes it add the Japan code, and when i press oversees it tells me to enter the code for the country and to do that i have to put the code in front of every number manually or edit each number with the code, that also sometimes doesn't work cause Google sometimes wont remove the original number without the code and will keep calling that one. And there is no "more settings" in call settings, thus no assisted dialing option. I really don't want to root or flash anything.
Also the issue isn't about calling people i can deal with that, problem is i cant put codes e.g *124# *3# etc which are for getting balance info and packages.
Cheers if anyone can help me.

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