Develop Bugs

Unlock Sim Via Software

Hello all,
I'm locking for SIM unlock method, i have an S621 and i was upgrade this to RUU_Excalibur_WM61_Kavana and when i put other SIMs to my phone it's ask me a SIM lock code...
I have searched on this forum so many times for unlock SIM and not found an anwser to my question...
I dont want pay to unlock this, i want to Flash/Reflash,Upgrade my phone to other software not blocked, this is possible?
Tks!

NewtonPasqualini said:
Hello all,
I'm locking for SIM unlock method, i have an S621 and i was upgrade this to RUU_Excalibur_WM61_Kavana and when i put other SIMs to my phone it's ask me a SIM lock code...
I have searched on this forum so many times for unlock SIM and not found an anwser to my question...
I dont want pay to unlock this, i want to Flash/Reflash,Upgrade my phone to other software not blocked, this is possible?
Tks!
Click to expand...
Click to collapse
Only way you can unlock is is paying and going to this thread. There are no programs that you can find or use to unlock your phone unless you call T-Mobile and ask them to unlock it for you for free, then you will have to pay. Its a small amount anyways but go here for more information.
CLICK HERE

I found one way
Hello people!!!
I found one way to ByPass your SIM LOCK...
I buyed one "chip" here, in Brazil, we have various names to this, bellow is one picture of this.
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This "chip" ByPass SIM LOCK and you can use any GSM operator on the locked phone.
This chip have to introduced joined to an GSM common chip to your phone and "Voalah!" this is unlocked.
ATTENTION: The ByPass chip must have configured to your GSM operator for propertly function.
Have a nice unlocked phone!

Oh sweet thats cool... where can you get this from, can you post a website where you can buy this at.

jdoggraz said:
Oh sweet thats cool... where can you get this from, can you post a website where you can buy this at.
Click to expand...
Click to collapse
They sell them on Ebay as low as $9.99 ea. Just search under cellphone unlocking.

i think they are only good for 1 unlock from what i remember.
just pm jockey..he will have you unlocked in minutes

Possible Unlock For SGH-T999L?

After scouring the net for the last week or so to find a method of unlocking the SGH-T999L without either purchasing a box or an unlock code from a shady eBay dealer, I stumbled across an app that seems like I might do the job.
RegionLockAway by Chainfire seems to remove the network lock on this specific model, despite being designed for the Galaxy Note 3.
(original thread) http://forum.xda-developers.com/showthread.php?t=2470551
Now, I've tried this on my phone, and as I said before, it seems to have removed the network lock on my SGH-T999L, but only partially. I am no longer bothered for an unlock code when booting the phone with an AT&T or MetroPCS SIM card inserted, and my account details assigned to the SIM cards are displayed under my phone's settings. The issue is that I cannot seem to connect to any networks.
I don't know if this will lead to anything, but I just felt like sharing this little tidbit of information with you guys. If anyone else would like to try this out and post results, I'm sure it would be greatly appreciated by the community. Hopefully this gets us one step closer to unlocking this bastard of a phone with minimal effort.
P.S. If this is in the wrong section, feel free to move it, and I apologize.
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CraviingCritic said:
After scouring the net for the last week or so to find a method of unlocking the SGH-T999L without either purchasing a box or an unlock code from a shady eBay dealer, I stumbled across an app that seems like I might do the job.
RegionLockAway by Chainfire seems to remove the network lock on this specific model, despite being designed for the Galaxy Note 3.
(original thread) http://forum.xda-developers.com/showthread.php?t=2470551
Now, I've tried this on my phone, and as I said before, it seems to have removed the network lock on my SGH-T999L, but only partially. I am no longer bothered for an unlock code when booting the phone with an AT&T or MetroPCS SIM card inserted, and my account details assigned to the SIM cards are displayed under my phone's settings. The issue is that I cannot seem to connect to any networks.
I don't know if this will lead to anything, but I just felt like sharing this little tidbit of information with you guys. If anyone else would like to try this out and post results, I'm sure it would be greatly appreciated by the community. Hopefully this gets us one step closer to unlocking this bastard of a phone with minimal effort.
P.S. If this is in the wrong section, feel free to move it, and I apologize.
Click to expand...
Click to collapse
Tried changing ur apn settings?

I'm very interested in this, and the APN might just be what he needs, please post results whenever you have them.

I concur. Sounds definitely like APN issue.

Still searching...
Perseus said:
I concur. Sounds definitely like APN issue.
Click to expand...
Click to collapse
Rooted sgh-t999L with stock 4.3... I just tried this in hopes of a network unlock as a side effect and it did not work. I ran it twice to make sure.

Lg g3 not recognising sim card!??

I was using a nano sim with a adapter. Went my mobile provider (three uk) store & got a micro sim. Just put the sim card in & not im getting the no sim card message in the notification bar!? tried restarting the phone several times, but still no luck!
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same problem
same problem .... you have any answer please ??

gibbo82 said:
I was using a nano sim with a adapter. Went my mobile provider (three uk) store & got a micro sim. Just put the sim card in & not im getting the no sim card message in the notification bar!? tried restarting the phone several times, but still no luck!
Click to expand...
Click to collapse
Put the nano sim in without the adapter, it will fit. Just put it down the center of the sim slot.

grneyez said:
Put the nano sim in without the adapter, it will fit. Just put it down the center of the sim slot.
Click to expand...
Click to collapse
watta hack?? is it a common issue?? i m also having same problem...micro sim card not working...but if i put a nano sim card with a extra adapter it works,,,any solution??

no solutions i suppose... does anyone know if AT&T will give you a different size sim (in this case nano instead of micro) if this indeed fixes the problem?

Sim port gone
I had this same complaint. I was using nano SIM with adaptor and then tried with micro SIM and it was not working.
I went to service centre and they examined the phone and they said the SIM port has widened due to the adaptor.
I got full board replacement since it was under warranty.

It worked with Micro SIM, but not with a Nano SIM in a Micro adaptor. I put a sticky tape on the back of the Nano SIM in the adaptor and it is working since a day.

ZenFone 5Z No network/No SIM solution (hardware issue)

Hello everyone! I figured out the issue and the solution to the dreaded no network/no SIM card issue for the ZenFone 5Z. It is not a software problem. It is a hardware problem indeed. The new firmware basically lets the SIM card slot "work properly". If the SIM slot of your phone is defective, this issue will trigger after Pie update.
Why it is happening:
Take a look at the image below (courtesy FCCID.io)
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There is a switch (highlighted in red) which "tells" the phone whether a SIM is inserted. When the switch is closed, it means no SIM card is installed. When the switch is opened, it means SIM card is installed. If you insert the SIM tray, it will allow one of the metal to lose contact with the other hence telling the phone to operate SIM signals.
If the top metal cover is pushed down and touches the switch, this SIM enable signal will malfunction causing the issue you all are facing.
Another close up photo (courtesy: FCCID.io)
The solution:
You will need: A SIM ejector tool for removal of the SIM tray, a flashlight and a precision knife (I used a surgical knife since it is thin and rigid and works perfect).
Turn on the flashlight and look at the SIM slot from the side. You will be able to see the switch terminals I am talking about from a different angle. It will be the farthest terminals just a little bit to the left from the mid point. Insert the knife and tilt it very gently keeping your hands steady such that the top metal lifts slightly from the switch contacts. If careful, you will hear a click. Insert SIM and install SIM tray. Cross your fingers and behold! You will get network. I am fairly certain this is going to solve your issue. So if your phone is out of warranty or you don't want to avail warranty for such a silly issue, give this a shot and post whether it worked for you.
You can also check the teardown of the phone at FCCID.io. Key in the FCC ID of ZenFone 5Z - MSQZ01RD.

Am on Android 10 and I still have the no signal problem I found a solution that if i take out and reinsert my sim continuesly after many tries it works and I get back my sim signal what I think is it's not a hardware problem and it's just that Zenfone 5z has a sim detection problem after the OTA update with keeping the radio power on ..also everytime I restart my phone I get the same issue no signal but I can get the signal back everytime by doing the process I mentioned above..pliz note u need to take out the sim tray and insert it again and again n it will work every time but after lots of tries sometimes doesn't take much tries..just want Asus to know what's going on here with Zenfone 5z

IS there anyway to downgrade boot loader note 10 plus n975f

Is there any way to downgrade bootloader note 10 plus n975f, I have installed one UI 2.1 latest august security patch with N975FXXU6CTGD bootloader, Problem is My mobile is demo unit and someone installed patch with IMEI match in it and it was working fine until I did a mistake of upgrading. now its apparently not possible to downgrade or get back mobile networks back. Is there any solution to my problem. IMEI showing fine and when I check status by #*1234# and its showing status NG. I want to get come back the call option to make calls please help me if there any solutions. I have tried chimera and it says unsupported modem try to install different firmware. My humble request to XDA developer to look at it and get back to me with a solution, would be a genius act.
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All the stuff you mention sounds really shady, as all demo units are not to be used as regular ones, in other words, the demo units are issued to carriers and official distributors, and never intended to be sold to public, thence, having one is not normal, no help will be offered here, as it is illegal in most countries to tamper IMEI numbers, which is a common practice with stolen and red flagged devices, next time gather enough money to buy a legal device

@ farhan_ali790 - Some things you have been saying within regards to this phone are quite unsettling. Either your mistaking what phone you really have, a communication/detail issue, or you got the phone second hand and this is the way it was when you got it.
Either way the following will be of interest:
If you have a demo phone then it should not work on the cellular network. Those are for demonstration purposes so people can see what the phone looks like, see how the screen looks and get a chance to use the apps on it. For this reason the phone was made in such a way that the ability to connect to the cellular network will not work. If you truly and really do have a demo phone then it will not be able to access the cell network.
If your claim is you have a demo phone and that it is showing (or had the IMEI number changed/patched to show) as a N975F and your talking about a patched IMEI number then sorry, but your most likely out of luck here. The discussions of tampering or altering an IMEI number are not allowed due to such actions being illegal in a lot of places. Contact the person whom patched the IMEI for you for help on this one.
It has been mentioned numerous times that flashing a bootloader higher then what is currently on the phone is a one way street. You can not downgrade the bootloader. Please take the time to do some research on the subject if you have further questions on it.