[Q] Lost sim unlock on lollipop ? (Sprint) - One (M8) Q&A, Help & Troubleshooting

Hello
I've purchased htc one m8 (sprint version) and it already had sim unlock. After upgrade to Android lollipop (5.0.2) i see message "invalid sim card" for GSM sim. Do i lost my sim unlock? If so, what can i do now ?

Was this an official Sprint upgrade or you did it yourself?

ilcapo09 said:
Was this an official Sprint upgrade or you did it yourself?
Click to expand...
Click to collapse
I'm not sure. There was sprint rom when i got device from seller

Related

Is AT&T version carrier locked ?

Someone offered me an E970 bought from AT&T and he says it is unlocked.
Does it mean someone unlocked it ? it is permanently unlocked then ?
kalda01 said:
Someone offered me an E970 bought from AT&T and he says it is unlocked.
Does it mean someone unlocked it ? it is permanently unlocked then ?
Click to expand...
Click to collapse
My man! This is not the AT&T OG Thread!!

[Q] How to unlock sim operator ? Only with root ?

Hello,
I can buy a m8 at a good price but it is sim locked by gsm operator and wont work with my sim carrier.
Noob question : If i want to unlock the sim restriction, must i just only root the phone or is it a bit more complicated ?
py_martinez said:
Hello,
I can buy a m8 at a good price but it is sim locked by gsm operator and wont work with my sim carrier.
Noob question : If i want to unlock the sim restriction, must i just only root the phone or is it a bit more complicated ?
Click to expand...
Click to collapse
http://forum.xda-developers.com/showthread.php?t=2708567

Any way to convert US Cellular G3 to anything else

Hi guys I have a practically new US Cellular g3 and would like to completely flash it to a different one or just unlock the radio and use it on Tmobile. Is there any way to do this as I have read somewhere this version has an unlocked bootloader. I dont ever plan on using the phone on US Cellular.
johnny13oi said:
Hi guys I have a practically new US Cellular g3 and would like to completely flash it to a different one or just unlock the radio and use it on Tmobile. Is there any way to do this as I have read somewhere this version has an unlocked bootloader. I dont ever plan on using the phone on US Cellular.
Click to expand...
Click to collapse
What is:
Your Android Version?
Your Model Number?
Software Version?
Model US990
Android 4.4.2
Baseband MPSS.DI.4.0.c2.1-00007-M8974AAAAANAZM-1
Kernel Version 3.4.0
Build KVT49L.US99010c
Software Version US9010c
I see that there is some sprint way to unlock it to Tmobile merely by changing the build.prop
http://forum.xda-developers.com/showpost.php?p=55373282&postcount=66
Do you think this would work. I really like this phone and would really like to have this functioning on my service provider. It just says Invalid Card when I put an ATT or Tmobile sim in.
johnny13oi said:
Model US990
Android 4.4.2
Baseband MPSS.DI.4.0.c2.1-00007-M8974AAAAANAZM-1
Kernel Version 3.4.0
Build KVT49L.US99010c
Software Version US9010c
I see that there is some sprint way to unlock it to Tmobile merely by changing the build.prop
http://forum.xda-developers.com/showpost.php?p=55373282&postcount=66
Do you think this would work. I really like this phone and would really like to have this functioning on my service provider. It just says Invalid Card when I put an ATT or Tmobile sim in.
Click to expand...
Click to collapse
It might be easier to just take it into the store and tell them you purchased it and wish to use it on your current plan. They should be able to do it for you.
Sent from XDA app via my LG G3 D851.
Still need some help with this?
dloopy said:
Still need some help with this?
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Click to collapse
Yes I do

[Q] Note 4 N910A unlocked and outside USA > Can I install TMOBILE Lollipop firmware?

[Q] Note 4 N910A unlocked and outside USA > Can I install TMOBILE Lollipop firmware?
Have a SM-N910A (AT&T) Note 4. I'm using it outside the USA. Already unlocked via CODE.
My question is... Since AT&T Lollipop can not be root and considering I will never use it with AT&T service..
Can I install the TMOBILE lollipop firmware on the SM-N910A (AT&T)? So I can root it? Currently I'm running AT&T 5.0.1 Lollipop but I'm experiencing the Hello Hello bug and out of a sudden today I'm not able to send or reply to SMS.... I'm getting tired of this.
I really appreciate any help.
Tnx.
jomeza001 said:
Have a SM-N910A (AT&T) Note 4. I'm using it outside the USA. Already unlocked via CODE.
My question is... Since AT&T Lollipop can not be root and considering I will never use it with AT&T service..
Can I install the TMOBILE lollipop firmware on the SM-N910A (AT&T)? So I can root it? Currently I'm running AT&T 5.0.1 Lollipop but I'm experiencing the Hello Hello bug and out of a sudden today I'm not able to send or reply to SMS.... I'm getting tired of this.
I really appreciate any help.
Tnx.
Click to expand...
Click to collapse
No, you cannot install any firmware other than AT&T signed firmware
P.S. if it were that simple we wouldnt be trying to get root for the device we'd all just flash some other firmware, and this topic is all over the forums and a little searching goes a long ways

How can i unlock htc331zlvw verizon to simfree

Hey
I own the aforementioned device which was purchased in the United States from Verizon, I was in Israel now, and when I put the sim I get a message:
"Non-Verizon SIM"
Do I have to replace the original ROM TO CUSTOM ROM FOR THE PHONE WILL WORK IN ISREAL?
THIS PHONE IS GSM OR CDMA?
MY ANDROID VER IS 4.4.3 FOR NOW
TNX..

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