HTC One M8 sprint edition marshmallow locked sim - Sprint HTC One (M8)

Hi,
So I run into that problem eventually.
I am not from the states and I bought the phone unlocked from a friend.
After some months of use the Not a valid sim card popped up.
I contacted HTC support and they didn't know how to fix this.
I am thinking of removing the sprint rom completely and installing the Unlocked/Developer one.
I am not a pro with these stuff so I would like to ask if that would be possible and if I could do something else instead.
The phone runs with 6.20.651.3 marshmallow.
Thanks in advance.

Is your phone s-off ?? U cant unlock the phone just by flashing the unlocked developer version . Try the sim unlocked methods posted in sprint htc m8 general fourms
Sent from my htc_m8 using Tapatalk

Related

[Q] Where To Buy The HTC One Unlocked OR AT&T?

As of now htc's website said they would have the unlocked One back in stock by may 25. That is a bit long so does anyone know where i can buy from a reliable website to get it. I also live in America. Or since i am on AT&T should i just buy the AT&T version since i can flash all the same roms as the unlocked version i could care less that i can not put in another sim card really. Is their any diffidence between the unlocked HTC One and the AT&T version in software or hardware?
dirtbikerr450 said:
As of now htc's website said they would have the unlocked One back in stock by may 25. That is a bit long so does anyone know where i can buy from a reliable website to get it. I also live in America. Or since i am on AT&T should i just buy the AT&T version since i can flash all the same roms as the unlocked version i could care less that i can not put in another sim card really. Is their any diffidence between the unlocked HTC One and the AT&T version in software or hardware?
Click to expand...
Click to collapse
Don't know about the difference, but got mine at Bestbuy in Vegas locked to ATT.
Last Sunday unlocked, got root and now I'm running ARHD 7.1.
I bought a Sprint HTC One and unlocked it - you have to go through a software setup and email HTC code. They then send you the unlock code. I then installed TWRP TeamWinRecoveryProject as my recovery and then you install SuperSU. You will then be able to flash roms with your rooted phone so I dont really see a big difference buying the unlocked version when HTC lets you unlock their HTC One phones unlike - Samsung Galaxie 4 as what the rumor is.

[H]Sim Unlock Successful but no signal from AT&T

i did the 3rd step from the sim unlock tutorial because im from 4.4.2.. so what i did is downgrade the radio and a sense rom of 4.1.2( s-off, bootloader unlocked and rooted) then i did the one with android terminal emulator but after i reboot i still got no signal then i tried the sprint htc one sim unlock helper but still i got no signal.. i will be going to other country and use my htc one internationally.. what should i do? can any one help me? thank you in advance
http://forum.xda-developers.com/showthread.php?t=2386703&page=41 check out my post I just got my sprint HTC one working on ATT

HOw to unlock my sprint viper rom

HI guys i was unable to get my stock rom ,but i'm using viper 5.7.0 now and i want to unlock my phone is there any method to unlock sprint htc one with viper based rom? tried using terminal method to unlock but didnt work
bloodkiddie said:
HI guys i was unable to get my stock rom ,but i'm using viper 5.7.0 now and i want to unlock my phone is there any method to unlock sprint htc one with viper based rom? tried using terminal method to unlock but didnt work
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Click to collapse
You want to sim-unlock the phone of unlock the bootloader?
bloodkiddie said:
HI guys i was unable to get my stock rom ,but i'm using viper 5.7.0 now and i want to unlock my phone is there any method to unlock sprint htc one with viper based rom? tried using terminal method to unlock but didnt work
Click to expand...
Click to collapse
Here you go http://forum.xda-developers.com/showthread.php?t=2586704
Sent from my HTC One using Tapatalk
alray said:
You want to sim-unlock the phone of unlock the bootloader?
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Click to collapse
bootloader is unlocked but i want simunlock,i'm using sprint viperone 5.8.0.can anyone help me to unlock my sim and make it work with gsm sims
bloodkiddie said:
bootloader is unlocked but i want simunlock,i'm using sprint viperone 5.8.0.can anyone help me to unlock my sim and make it work with gsm sims
Click to expand...
Click to collapse
You can't! It's a cdma phone not a gsm!
alray said:
You can't! It's a cdma phone not a gsm!
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Click to collapse
Ibought this phone as unlocked from ebay doesn't it now work like before? actually my phone is C-spire not sprint,since we dont have roms for cspire i rooted it to sprint rom
bloodkiddie said:
Ibought this phone as unlocked from ebay doesn't it now work like before? actually my phone is C-spire not sprint,since we dont have roms for cspire i rooted it to sprint rom
Click to expand...
Click to collapse
Follow the guide posted above. After unlocking it you might have issue when connecting to other carrier s network so be sure they are using compatible frequencies. I'm almost sure you will not be able to connect it to any other CDMA carrier. Normally CDMA carriers will not accept a phone on their network if not sold by them.
Next time if you are planning to switch carriers, buy a gsm phone, much easier! even with a locked gsm phone, you'll only need to sim-unlock the phone with a purchased code then put in any gsm sim card.
Sorry I can't help you more, I'm not familiar with the WLS variant.
alray said:
Follow the guide posted above. After unlocking it you might have issue when connecting to other carrier s network so be sure they are using compatible frequencies. I'm almost sure you will not be able to connect it to any other CDMA carrier. Normally CDMA carriers will not accept a phone on their network if not sold by them.
Next time if you are planning to switch carriers, buy a gsm phone, much easier! even with a locked gsm phone, you'll only need to sim-unlock the phone with a purchased code then put in any gsm sim card.
Sorry I can't help you more, I'm not familiar with the WLS variant.
Click to expand...
Click to collapse
Actually i was using this phone before and i tried to update my phone somethin went wrong and ended up without os so now i installed viperone and i'm unable to use it now

[Q] HTC One M7 Unlock in Sprint

Hi ,
I am having HTC one with Sprint network. After my contract they provided me MSL code [/I]to unlock it.
I already rooted my Android phone and I installed viber one custom ROM.
Please let me know how to unlock my device completely.
Thanks,
Amar

M7 unlock

Hi all, I'm giving away my old m7 to a friend and when we put the sim card in, it reports it is network locked. I have purchased a code from unlock river, but it's saying it's wrong. I just wanted to check if anyone has had this problem when unlocking a modded phone? The phone is running viper one 9, s-off, unlocked bootloader etc. It did have super cid but I reverted that back to t mobile UK to see of that made a difference but it didn't. The new sim is gsm like the old one. It could still be the code, but I wonder if the mods aren't helping.
Thanks in advance!

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