help! my M8 didn't ask me about the unlock code - Sprint HTC One (M8)

I try to unlock my Sprint M8,I tried T-mobile and AT&T sim card.
But my phone didn't likes youtube video, My phone didn't ask me about the unlock code. It just simply tell me the sim card is Invalid.
I have tried to use the unlock helper to unlock it, but it just unlock the internation lock.
I still want to unlock the domestic carrier lock.
Is it the ROM problem?
My phone use the Android 4.4.3,and it is S-OFF.
Please help me!

If you're trying to unlock your phone to use it on another domestic carrier, you're not going to be able to do that. SIM unlocking will work for international use.

Magnum_Enforcer said:
If you're trying to unlock your phone to use it on another domestic carrier, you're not going to be able to do that. SIM unlocking will work for international use.
Click to expand...
Click to collapse
But Sprint customer service is going to give me a unlock code.
If I can't enter this code,What is this code use for?

Magnum_Enforcer said:
If you're trying to unlock your phone to use it on another domestic carrier, you're not going to be able to do that. SIM unlocking will work for international use.
Click to expand...
Click to collapse
I have a sprint HTC One m8 and live outside the USA, how can I SIM Unlock, have tried the Sim Unlock method posted here in the forum and nothing... need some help, now I have a very expensive (for me) phone here without being able to use it :crying:

Lrclaros said:
I have a sprint HTC One m8 and live outside the USA, how can I SIM Unlock, have tried the Sim Unlock method posted here in the forum and nothing... need some help, now I have a very expensive (for me) phone here without being able to use it :crying:
Click to expand...
Click to collapse
Can you be more specific? what is your current Rom? and are you able to flash custom roms? if yes try this one and use their unlock method
http://forum.xda-developers.com/showthread.php?t=2729170

Related

[Q] Sim Unlock Code Not Accepted

Hi,
I have HTC one on Three UK network. I took Sim network unlock code from 3 different paid servers, All have given same code but code does not work. It says Sim Password incorrect. Spoken to supplier and he said it is some bug in new android system. Can anyone explain me how to fix this. I appreciate that.
I already 3 tried another source and checked imei etc.
talkways said:
Hi,
I have HTC one on Three UK network. I took Sim network unlock code from 3 different paid servers, All have given same code but code does not work. It says Sim Password incorrect. Spoken to supplier and he said it is some bug in new android system. Can anyone explain me how to fix this. I appreciate that.
I already 3 tried another source and checked imei etc.
Click to expand...
Click to collapse
Are you on a custom CID ? On a custom ROM? If yes, change them back to the original and it'll work.
attanasi0 said:
Are you on a custom CID ? On a custom ROM? If yes, change them back to the original and it'll work.
Click to expand...
Click to collapse
No it is original rom, original recovery but still not accepting. In attempt to flash i loaded up custom recovery now but unable to find any stock rom ruu on three. Hbot is 1.54 and s on and bootloader locked (i unlocked it using htcdev now)
talkways said:
No it is original rom, original recovery but still not accepting. In attempt to flash i loaded up custom recovery now but unable to find any stock rom ruu on three. Hbot is 1.54 and s on and bootloader locked (i unlocked it using htcdev now)
Click to expand...
Click to collapse
This is purely anecdotal but the phone I had before this was the s2 LTE model on AT&T, when they gave me the code it kept saying it was unsuccessful until I ran out of attempts. However when I actually put in a t-mobile sim card it worked fine and it was fully unlocked. Maybe try that?
Danmanlott said:
This is purely anecdotal but the phone I had before this was the s2 LTE model on AT&T, when they gave me the code it kept saying it was unsuccessful until I ran out of attempts. However when I actually put in a t-mobile sim card it worked fine and it was fully unlocked. Maybe try that?
Click to expand...
Click to collapse
You do know that to unlock the phone you need a SIM card from a different company inside the phone so that it asks for Network Unlock Code... SIM Lock is not the same...
attanasi0 said:
You do know that to unlock the phone you need a SIM card from a different company inside the phone so that it asks for Network Unlock Code... SIM Lock is not the same...
Click to expand...
Click to collapse
Obviously phone is asking for sim network unlock code when we put non accepted sim card. So phone is not unlocked. We do quite a lot unlocking and few phones get this error, we have to refund customer but I am seeking solution for it. It is only in Android phones (HTC and Samsung).. Samsung's we usually unlock using unlocking boxes but HTC One is not supported other than code. (Setool support older HBOOT).

[Q] Unlocked Sprint M8 Still can't use AT&T or T-Mobile

I bought a used Sprint M8 Not HK version
And I successfully unlocked the simlock,because I have been to China and I can use the GSM and CDMA network there.
I want to change my carrier as AT&T or T-mobile even if Version Wireless,but it just tell me the SIM Card Is Invalid !
I visited a lot of website and tried any possible solution on the Internet,include but not limite in: Change ROM,Flash Radio,Format /cache /sytem /data,Retry simlock again and again,Set QPST,Set CDMAworkstation,Set DFS ...
Well,
I even want to buy the unlock code from xxxxxx.com,but they warn me do not buy the code if the phone didn't request.
Why the phone didn't request the unlock code?
I truly hope I can unlock this phone,
If you know how to deal with it,Please help me!
I am using Sprint (maybe)original ROM,Software version 3.31.654.2,OS vision Android 4.4.4,Baseband version 1.08.20.0916
Even if you SIM unlock the phone you can't use it on another domestic carrier. If you're international that's another story.
Magnum_Enforcer said:
Even if you SIM unlock the phone you can't use it on another domestic carrier. If you're international that's another story.
Click to expand...
Click to collapse
But it is designed can enter the unlock code to unlock domestic carrier and international carrier.
And the domestic unlock code is actually exist,just have no idea why this phone not ask.
Maybe the unlock program damage the part of domestic unlock function?

Htc 612 verizon unlock to GSM

Hi, wanted to ask if anyone has done this or has the steps to follow? When I insert a foreign sim card into it, it says, "this sim card is from an unknown source" and picks up no service.
Im new to the forum hopeing you guys can guide me to where I should post about this.
Thanks
CellTech03 said:
Hi, wanted to ask if anyone has done this or has the steps to follow? When I insert a foreign sim card into it, it says, "this sim card is from an unknown source" and picks up no service.
Im new to the forum hopeing you guys can guide me to where I should post about this.
Thanks
Click to expand...
Click to collapse
Because your phone is carrier branded, you must sim-unlock it to be able to use it on another carrier.
You can sim-unlock using a paid code. There are many onlince service for that. A sim unlock code generaly cost between 5 - 15$ US. You put the sim card in the phone, boot the phone and then you'll be prompted to enter the code. (phone must be on stock rom)
This is an example of a website offering that service (not tested myself) http://www.doctorsim.com/us-en/unlock-phone/htc/
If your phone is s-off, you can sim-unlock for free if you have the required hardware and knowledge (SIEEMPI method)
There is also a new method to sim-unlock by using the Sunshine app (which was previously only useful to achieve s-off). The app cost 25$.
Version 3.1
Added HTC m9 support (not Verizon)
Added Experimental HTC Simunlock (Not m9, Not CDMA devices)
Click to expand...
Click to collapse
alray said:
Because your phone is carrier branded, you must sim-unlock it to be able to use it on another carrier.
You can sim-unlock using a paid code. There are many onlince service for that. A sim unlock code generaly cost between 5 - 15$ US. You put the sim card in the phone, boot the phone and then you'll be prompted to enter the code. (phone must be on stock rom)
This is an example of a website offering that service (not tested myself) http://www.doctorsim.com/us-en/unlock-phone/htc/
If your phone is s-off, you can sim-unlock for free if you have the required hardware and knowledge (SIEEMPI method)
There is also a new method to sim-unlock by using the Sunshine app (which was previously only useful to achieve s-off). The app cost 25$.
Click to expand...
Click to collapse
Hi the phone is not s-off and also when I insert the gsm foreign sim card or any gsm sim card foreign, no unlock message popsup. Phone is totally stock.
Thanks
CellTech03 said:
Hi the phone is not s-off and also when I insert the gsm foreign sim card or any gsm sim card foreign, no unlock message popsup. Phone is totally stock.
Thanks
Click to expand...
Click to collapse
so try sunshine method, if it doesn't work, you'll have s-off anyway so it will be possible to unlock using the sieempi method
HTC 612 Verizon
is there a way to S-Off this HTC device for free like the old firewater I have no problem paying Sunshine app but I need this phone SIM unlock for a customer what if after paying for the app and gaining S-Off the SD Card method don't work for this phone
then I'm out of 25 dollars again no problem with that but I only need S-Off to SIM unlock the phone for a customer
Thanks
alray said:
so try sunshine method, if it doesn't work, you'll have s-off anyway so it will be possible to unlock using the sieempi method
Click to expand...
Click to collapse
Hi, where can I find the Sunshine app and has anyone unlocked this phone with that app? do you know how the process works to unlock the phone?
Thanks
CellTech03 said:
Hi, where can I find the Sunshine app
Click to expand...
Click to collapse
theroot.ninja
and has anyone unlocked this phone with that app? do you know how the process works to unlock the phone?
Click to expand...
Click to collapse
You can ask in the sunshine IRC channel here: http://webchat.freenode.net/?channels=sunshine-support

How to SIM Unlock?

Hey guys,
I have an AT&T M7 that is off contract and obtained an unlock code directly from AT&T.
Now, how do I go and SIM unlock my device?
Any help/suggestion is much appreciated.
Thanks
smokarz said:
Hey guys,
I have an AT&T M7 that is off contract and obtained an unlock code directly from AT&T.
Now, how do I go and SIM unlock my device?
Any help/suggestion is much appreciated.
Thanks
Click to expand...
Click to collapse
If you already have your unlock code thats a good thing. Now to use it, you must shut your phone down, insert a foreign sim card (from a different carrier than AT&T, borrow a friend's sim card if necessary), boot it up and you should get prompted to enter the sim unlock code. Once done your phone is sim-unlocked and will accept any carrier sim card. Your phone must be running the stock rom btw (or a stock-ish rom, will not work on Cyanogenmod for example but should work on ARHD).

Sprint HTC One M8 Marshamallow Domestic Sim Unlock help please?

Hello, I am very new so I'm a little nervous about posting but can somebody please help me?
I have a Sprint HTC One M8 and I have the unlock code from Sprint, however when I put in my sim card the phone reads "Invalid Card". I think this is because I would like to use the phone with T-mobile, a domestic carrier in the US. If somebody knows how to unlock the phone for domestic carriers and can help me or give me instructions I would be very grateful. I'd even be willing to pay if someone could take the time to figure this out. I have tried the unlock tutorials on the forum, but nothing has worked for domestic.
Miyuki13 said:
Hello, I am very new so I'm a little nervous about posting but can somebody please help me?
I have a Sprint HTC One M8 and I have the unlock code from Sprint, however when I put in my sim card the phone reads "Invalid Card". I think this is because I would like to use the phone with T-mobile, a domestic carrier in the US. If somebody knows how to unlock the phone for domestic carriers and can help me or give me instructions I would be very grateful. I'd even be willing to pay if someone could take the time to figure this out. I have tried the unlock tutorials on the forum, but nothing has worked for domestic.
Click to expand...
Click to collapse
Good luck with your research. Domestic SIM unlock has not been successfully done on M8 as far as I know. There were some people did the domestic SIM unlock on M7 back in 2013 and you may want to leverage their work in your try (search in M7 forums). Sprint classified the M8 as international unlock capable and domestic – non capable in their website. M9 and up series have the capacity to get factory GSM unlock to use domestically. Please share your work if you get success.
Unlock capabilities listed by Sprint (check SIM unlock capable devices section):
https://www.sprint.com/legal/unlocking_policy.html
Cashreedhar said:
Good luck with your research. Domestic SIM unlock has not been successfully done on M8 as far as I know. There were some people did the domestic SIM unlock on M7 back in 2013 and you may want to leverage their work in your try (search in M7 forums). Sprint classified the M8 as international unlock capable and domestic – non capable in their website. M9 and up series have the capacity to get factory GSM unlock to use domestically. Please share your work if you get success.
Unlock capabilities listed by Sprint (check SIM unlock capable devices section):
https://www.sprint.com/legal/unlocking_policy.html
Click to expand...
Click to collapse
Hi? Can I sim unlock internationally for an m8 already upgraded to marshmallow? Still soff with bootloader still locked?
jazzdglass said:
Hi? Can I sim unlock internationally for an m8 already upgraded to marshmallow? Still soff with bootloader still locked?
Click to expand...
Click to collapse
Yes, unlock your bootloader and follow the step for sim unlock
Cashreedhar said:
Yes, unlock your bootloader and follow the step for sim unlock
Click to expand...
Click to collapse
Thank you for your reply sir. Which steps exactly are you referring to?
Because a friend got two sprint m8 relocked after he upgraded them to marshmallow. Is sim unlock confirmed for marshmallow? I see no posts to affirm this sir.

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