yashsingh1/xdaforums huggingface dataset:
[One (M8) General] brar.arsh:
So I tried this from internal card and there was something written that failed in Red in bootloader. I pressed vol up and then restarted, I don't know if it's unlocked or not but I can search for different carriers.

Am not sure that if your are locked and you can still search different carriers or not.
[One (M8) General] JEANRIVERA:
it is unlocked , believe me, just try it with an active sim card from a different provider
[One (M8) General] JEANRIVERA:
this is intended for gsm devices I am not sure if turning off cdma radio on your device will work but as far as i know sprint/verizon phones can only be unlocked to be used with international sim cards not US based carriers
[One (M8) General] GermanGuy:
Is it supposed to say "fail" for everything except IMEI check?
[One (M8) General] kaishi00:
I don't actually see a simlock option in my bootloader? o_o T_T
[One (M8) General] drigout:
Hummm forgot to do that going to try GSM/UMTS only

Edit:

It was set for CDMA/LTE only and the student worker that had the Micro Sim AT&T is gone for the day and I am unable to find another micro sim guess I will try latter.

Edit Again:

What phones have a Micro Sim? Just the iPhone 5 & 5s? I just looked at a GS4 and it just had Mini Sim.
[One (M8) General] JEANRIVERA:
switch to hboot
[One (M8) General] Kuechikun:
It worked!!! Thank You!!! i just manually cut my T-mobile sim XD
[One (M8) General] sharingspider:
Congrats Buddy :)

All the best using HTC M8 !!
[One (M8) General] MoOm18:
hi dear,

it rooted , as per attached screenshot
[One (M8) General] sharingspider:
Great - So what is the issue now you facing - Describe - Also which SIM you are using - Carrier?
[One (M8) General] MoOm18:
the problem is i'm not able to catch any GSM network signal ( it was shwing before unlocking)

i'm using sim for Saudi arabia STC carrier

also network mode as attached not able to change as i was getting GSM/CDMA only, now i cant see that
[One (M8) General] sharingspider:
Sorry for the Late Reply - Can u tell me is it a micro sim by default or u have cropped it ?

What did u mean by Before Unlock it was there ? You are on a Sprint HTC One M8 if I am not wrong?

Also is Sim Unlocker App working fine?
[One (M8) General] MoOm18:
no problem bro take your time :)

it is micro sim and i cropped it to nano ,( sim working fine with other phone)

before unlock it was there i mean network sginal i was able to see network and carrier names

and sim unlocker app seems to be working fine as i did not get any error

yes i'm on Sprint HTC M8
[One (M8) General] PrinceMS:
Method 1 - rooted one - Worked on Canadian - 4.4.2

Its a hassle though, I prefer paying and getting the unlock code.
[One (M8) General] tzekken:
big problem with this method

hi everyone and thank you for your great job

i have a htc m8 simlocked on SFR (France)

i used this method and after all i had no more simlock on my HTC, but the problem was it was not working with another SIM from orange by example

Only a SIM from SFR was able to connect in 2G 3G and 4G

So i decided to flash the Radio with another firmware

The problem is that now i have no more 2G 3G or 4G with any SIM, and when i type in *#06# i have no more IMEI number!

i searched for similar problem but without answer, so if you can help me it will prevent me to throw my HTC through the window....

maybe this can help i have now the stock ROM HTC, and CID 11111111...
[One (M8) General] tiagobt:
Hi,

I have an AT&T HTC One M8 and followed the SIM unlock procedure. When I chose the option "SIMLOCK", I got the following result:

SD init OK
Reading config.dat [37]Bytes
Read MCCMNC file success
Open CID file fail
Open IMEI file fail
Open atsdeb file fail
Open SF file fail
Open NAME file fail
Get device IMEI success
IMEI checking...PASS!
Process done, reboot device?
<VOL UP> Yes

Is this normal?

I restarted the phone and I am not being asked for a SIM unlock code.

However, it seems that the phone is not detecting my SIM card properly. It doesn't connect to the network and it says "No SIM Card" and "Emergency Calls Only". Also, most options under "Mobile Data" are grayed out, so I can't configure my APNs. I tried entering the code *#*#4636#*#* and choosing "GSM/WCDMA/LTE auto", but the setting doesn't stick when I restart the phone (it goes back "WCDMA preferred").

I'm trying to use the phone in a Brazilian carrier (Oi).

Any idea what's going on?

Thanks a lot!
[One (M8) General] donmarkoni:
[MENTION=5878918]tzekken[/MENTION] & [MENTION=667144]tiagobt[/MENTION]

Flash any radio from my collection here, or better yet, last one, 1.16.2133156.UA15G, then report back. ;)

WCDMA stuck radio is a known issue, so I hope it would help, cause my collection is with fixed radios. :)
[One (M8) General] ttn1185:
Check on the Lock screen. You will see "Invalid Card" ? That's what i have on my Sprint HTC M8 when put in an AT&T SIM card . I tested mine with foreign SIMs while in the US: the phone will say "Limited Service"
[One (M8) General] sharingspider:
My Friend - You need not follow this procedure for AT&T Unlocking - This is for Sprint based handsets. If you need to Unlock HTC One M8 - AT&T Variant - It's fairly easy, you just need to buy a code & enter it - That is what I did for my AT&T too - If you need assistance in reliable source to get it - Just PM me for the same as well. Cheers & All the best. If still there is any issue just let me know.

---------- Post added at 01:02 AM ---------- Previous post was at 01:02 AM ----------

Not About Invalid SIM Card - He is using a AT&T Variant :P
[One (M8) General] tiagobt:
[MENTION=2977387]donmarkoni[/MENTION], I flashed the radio that you recommended (1.16.2133156.UA15G), but I'm still getting the same results. My phone says "Emergency calls only" and "No SIM card". Dialing *#*#4636#*#*, I can choose "GSM/WCDMA/LTE auto", but the setting doesn't stick when I restart the phone (it goes back "WCDMA preferred"). Sometimes I have the impression the phone doesn't even detect the SIM card. But when I remove it, the phone shows an error message, so I guess it makes a difference.

[MENTION=308083]ttn1185[/MENTION], right now, my lock screen says "Emergency calls only" and, when I pull down the notification bar, sometimes I see the message "No SIM card". But I don't remember seeing the message "Limited Service".

[MENTION=4974310]sharingspider[/MENTION], yes I have an AT&T phone. However, it never asks me for an unlock code (maybe it's already SIM unlocked). So I'm not sure the method you suggested would help.

Thanks a lot for the help, guys!
[One (M8) General] sharingspider:
Yes it is already SIM Unlocked - You need to buy SIM Unlock Code from a Genuine Resource
[One (M8) General] donmarkoni:
Hmm... Strange... :eek:

You could try Dev and AT&T one, posted here.
[One (M8) General] tiagobt:
Thanks again for the help, guys!

[MENTION=2977387]donmarkoni[/MENTION], I flashed the Dev radio, but I it's not working yet. It seems that the "GSM/WCDMA/LTE auto" configuration is now sticking. However, the device doesn't seem to detect my SIM card.

[MENTION=4974310]sharingspider[/MENTION], I'm not sure I follow you. How am I supposed to enter the SIM unlock code if my device never asks for it? Should I relock it?

It really seems that the phone is unable to detect my SIM card. It does't say it's locked. It only says that the SIM card is absent. Really weird.

I read somewhere that the CDMA version of the phone also has a SIM card slot, but only for LTE. Any chance my phone is behaving like a CDMA phone? Would it make any sense to do the Sprint M8 procedure? I've really run out of ideas... It's kind of frustrating...
[One (M8) General] donmarkoni:
Have you tried with some friend's SIM card? Maybe your got broken.

There is one more thing, but it's not very probable, that your SIM tray contacts got damaged.
[One (M8) General] sharingspider:
I am really confused if your device is CDMA or GSM. Please tell me the provider your device is locked to - So far I thought its AT&T and providing you solution - Looking at your previous post. Also if its locked to AT&T - Not asking for Unlock Code - Little Weird - Try taking out the SIM - Restoring the Phone to Factory Settings & Inserting any GSM SIM other than AT&T - See if it asks for code now or not.
[One (M8) General] tiagobt:
Sorry for the confusion, [MENTION=4974310]sharingspider[/MENTION]. My phone is from AT&T (GSM). I just wanted to know if following the Sprint unlock procedure might help at all. I know it makes no sense to do that, but I was just speculating because I've run out of ideas...

I believe my phone doesn't ask for an unlock code because it's now SIM unlocked (since I followed the procedure described in this thread). Or simply because it doesn't even detect a SIM card.

[MENTION=2977387]donmarkoni[/MENTION], I tried one SIM card from AT&T (USA) and two SIM cards from Oi (Brazil). Same result in all cases: the phone reports "No SIM Card".

I see. Maybe the SIM tray contacts are damaged. It would explain the symptoms at least. However, the phone is brand new, so I wonder how that happened...

Anyway, thanks for all the help, guys!
[One (M8) General] sharingspider:
INSTALL A STOCK AT&T ROM first and go back to stock - we will take it from there. It just takes 2 minutes to put the unlock code & it gets unlocked. Don't follow these steps & it might lead to making ur device bricked as well.
[One (M8) General] tiagobt:
Thanks for the suggestion, [MENTION=4974310]sharingspider[/MENTION]. I'll try that! Just a quick question:

Right now, my phone is:

- S-OFF

- Bootloader unlocked

- Rooted

- CID = 11111111

- Using a custom ROM

Would you suggest undoing all those things? I thought about using the following guide:

[GUIDE] Return your M8 to 100% Stock

(But flashing an AT&T firmware)

Is that it?
[One (M8) General] JEANRIVERA:
Please stop misleading users here, if the phone doesn't ask for an unlock code it will not do it even if he goes back to stock because he did the procedure in the op his phone is SIM unlocked it is better to advise him to use the SIM card on other phone or just do factory reset on the same Rom he is that should do it
[One (M8) General] JEANRIVERA:
You don't need to do that to get your phone SIM on unlocked if you did the procedure in the op your phone is already SIM unlocked you just need to trouble shoot it I suggest to try the SIM in another phone, even better on an unlocked one or a phone that is locked to the carrier for your SIM if it works then try another SIM in your phone you might have a bad SIM or even worse you could have damaged the SIM tray in your M8
[One (M8) General] sharingspider:
Lol no clue n ths
[One (M8) General] sharingspider:
Rightly Said to me also it looks the sim slot has been damaged. It needs to ask for an unlock code.
[One (M8) General] MoOm18:
also me, having exact same issue :(
[One (M8) General] sharingspider:
As stated above I would want to ask you both are u on a sprint ot at&t variant. If u on AT&T variant and follow these steps - It wont work till u flash stock.

Also *#*#4636#*#* once done - Need not worry about mode dere what it went back to. It would be following mode what u choose so all good.

Confirm Sprint or AT&T.
[One (M8) General] MoOm18:
my phone HTC one m8 Sprint

custom ROM

NOTE: I did this step before activate the phone in Sprint as i'm not from USA
[One (M8) General] sharingspider:
Cool. Then it should be working fine.

Did u get any error message while Soff or no?
[One (M8) General] MoOm18:
no error message, it work fine
[One (M8) General] sharingspider:
Try choosing "GSM Auto PRL" from *#*#4636#*#*
[One (M8) General] sumry:
Dears

I need your help. I have a htc one m8 locked with sprint and I did unlock bootloader, rooted device and s-off

Did all the steps as well did steps on this link http://xdaforums.com/showthread.php?t=2682242

Stacked on rename files. Cannot due to files only read

How to get privilage for read & write system files
[One (M8) General] MoOm18:
I tried that without any changes :(
[One (M8) General] warrapong483:
same issue

i'm try with Thailand sim card. that can't catch the signal. and trial change signal to ATT, T-Mobine. so now i stuck in logo can't complete boot :(
[One (M8) General] sharingspider:
Install Root Browser from Play Store.

Navigate to System Folder 》App.

>Keep Holding your finger on App Folder untill a Menu pops up》Choose Permissions from there.

> Put tick on all 9 Boxes there.

Now try pasting and renaming file 》Should be good to go.

Let me know how u went buddy :)

---------- Post added at 08:25 PM ---------- Previous post was at 08:23 PM ----------

Have you replaced files post S-off ?

Have u followed steps mentioned above ?

We need to do GSM Auto PRL post that.

Are u following the same ?
[One (M8) General] sumry:
Thanks for your explanation

I able to rename the files and unlock sprint sim card and now I use my phone in Oman carriers

By the way, I used fx root explorer (Root Add-On) to complete my job, initialy used another explorer app which couldnt rename the files
[One (M8) General] sharingspider:
Great so all working now Buddy - Dont forget to hit Thanks :).

Also let me know if you stuck with any other issue.
[One (M8) General] warrapong483:
help me please

i stuck as htc one screen. i do bootloader => root => s-off => simunlock and CID 11111111 result can't get signal.

after that i flash Viper rom => can't get signal same. i flash radio to AT&T => reboot and heat. i wipe all <= i do mistake-- i clean all sd card => can't boot, error massage is "no OS". i load ROM viper and flash again => can boot but final show as attach picture, it's can shutdown by press power bottom. what i need to recovery this issue? :crying::crying:
[One (M8) General] JEANRIVERA:
I'm sorry but I don't really understand what is your issue please explain more detailed

Is it that the system doesn't load and all you get is the Power menu options when you press the Power button?
[One (M8) General] tiagobt:
OK, so I restored my phone back to stock using the following guides:

[How To] Return AT&T HTC One M8 To Stock

[GUIDE] Return your M8 to 100% Stock

I also used a Nandroid backup that corresponds to my original AT&T cid (CWS__001) from here:

COLLECTION of Stock backup's

Besides, I restored my original cid using fastboot:

fastboot oem writecid CWS__001

I believe my phone is now 100% stock and using the original AT&T ROM.

However, I still get the messages "No SIM Card" and "Emergency Calls Only". And my phone still doesn't ask me for a SIM unlock code.

It's kind of sad, but I guess the only explanation now is that my SIM card tray is damaged.
[One (M8) General] JEANRIVERA:
Try another SIM in your phone or try your SIM on other devices
[One (M8) General] JEANRIVERA:
You could also try to put clear tape on the back of your SIM or a little piece of paper I recommend tape , what that do is to push the SIM card a little bit so it makes better contact with the internal connectors
[One (M8) General] sharingspider:
Damaged SIM Tray - Bad Luck :(

---------- Post added at 05:45 AM ---------- Previous post was at 05:43 AM ----------

If you can reply in detail would be surely able to help u out buddy. Is this a Sprint or a AT&T variant as u flashed AT&T radio.

What steps u followed so far?
[One (M8) General] warrapong483:
i do

- Bootloader unlocked

- Rooted

- S-OFF

- sim unlock by e-mail

- CID = 11111111

- Using a custom ROM viper

- flash radio AT&T

- wipe all (include SD = delete all backup this is my mistake)

after this step, phone can't booth. i try to factory reset by bootloader they display error " no OS do you want to restart"

=====================================================================================

- reinstall viper Rom

this step i can boot but display show as picture 5
[One (M8) General] sharingspider:
Got u reflash rom - wipe dalvik n cache

Factory reset n reboot
[One (M8) General] warrapong483:
thank you so much

yes i do. same result.
[One (M8) General] JEANRIVERA:
Is your device originally from AT&T or Sprint?
[One (M8) General] MoOm18:
Have you replaced files post S-off ?

you mean HtcOMADM_SPCS file! if it is this , yes i have replaced it

Have u followed steps mentioned above ?

yes I done the same steps

We need to do GSM Auto PRL post that.

I'm stuck with WCDMA preferred

Are u following the same ?

sorry i don't really understand this point :confused:

thanks
[One (M8) General] warrapong483:
sprint sir.:D
[One (M8) General] JEANRIVERA:
That's the problem you can't flash an AT&T radio on Sprint device it will get bricked and make sure you flashed the correct recovery and the correct setup was done in the installer for viper Rom you got to select Sprint not AT&T even if you are unlocked because Sprint has different partitions for some stuff like the kernel and some other I recommend you to go back to stock Rom for Sprint via RUU it is the only way you can fix it for that you will need a long list of steps like go back to stock Cid stock recovery, re-lock boot loader and all of that you probably have corrupted partitions in your device
[One (M8) General] warrapong483:
thank you i will trial and report you again.
[One (M8) General] sumry:
Yes working fine, but on top bar not shows the signal is 3g or 4g only mension GSM So I dont know the phone is compatible to work with 4g or not
[One (M8) General] sharingspider:
Go n do GSM Auto PRL n reboot lemme know what happens post that
[One (M8) General] warrapong483:
I try to flash stock ROM "Sprint_HTC_One_M8_Harman_1.54.654.9_RUU.Zip" by SD card (Change name to 0P6BIMG ). after flash result is same.:crying:
[One (M8) General] warrapong483:
Explain my fail method

After i set Bootloader/ Root/ S-Off/ CID-11111111/ VIPER ROM

1) i go to recover mode and wipe very thing, see as picture 1

2) after wipe i try to restart, But have a massage like picture 2

3) I continue restart, Massage like picture 3 occur.

4) I re-flash VIPER ROM, after reboot lock screen is ok(Picture 4), but after lock off screen show like picture 5.
[One (M8) General] MoOm18:
now it's on GSM Auto PRL, but still I can't catch signal

and network mode options did not change as attached
[One (M8) General] sharingspider:
Network Mode Options are 100% Correct what it should be - Have no clue if phone is still not working
[One (M8) General] kawadehiten@gmail.com:
Data connectivity problem on htc one m8

I am having data connectivity issue on my htc one m8 sprint model in India on 3G

Is anyone having similar issue
[One (M8) General] sharingspider:
Simple issue to fix it buddy.

Do *#*#4636#*#* and select mode as GSM Auto PRL.

Restart phone post that.
[One (M8) General] Atomicman:
My phone is from T-Mobile Austria.

I sim-unlocked it the way as discribed, but got this "error" messages:

SD init OK

Reading config.dat [37]Bytes

Read MCCMNC file success

Open CID file fail

Open IMEI file fail

Open atsdeb file fail

Open SF file fail

Open NAME file fail

Get device IMEI success

IMEI checking...PASS!

Process done, reboot device?

<VOL UP> Yes

First i was concerned - rebootet the phone and my sim kart "A1 Austria" was working fine.

But, i have strange issues with my mobile data connection:

e.g. i can phone for half an hour, no problem. i hang up the call want to surf on the internet - no connection. After several seconds it is working fine again.

After few minutes. maybe 5 or 10 minutes, i have a hang again.

I already tried, original ROM, Android HD 7.0 ROM, different Radio image - but no success - always the same.

I tried the GSM only RPL setting as well, nothing changed. i have disabled all energy saving settings so far.

Could this be related to the sim unlock, or more bad luck and the radio hardware is cracked?
[One (M8) General] ijeff:
How did you get S-OFF on your Telus device?
[One (M8) General] bookfast:
I used firewater

http://firewater-soff.com/instructions/

I unlocked my bootloader through htc.
[One (M8) General] ttn1185:
You were on EDGE signal. That's what happened to you. Switch to WCDMA prefered.
[One (M8) General] Atomicman:
Thanks for the hint.

But no luck, still the same!

What is interesting:

I have the HSDPA or 3G Symbol on top. When conection freezes (for 5-15 seconds) the phone sends data (arrow up) but does not receive any data (arrow down).
[One (M8) General] darkthugs:
Does anyone knows if this is compatible with the harman kardon version?
[One (M8) General] parin11:
I tried Nikme method Still i am not able to get that Unlock Screen

Can u help

Thanks
[One (M8) General] sharingspider:
What's Nikme method - Also is there any other way to Soff apart from firewater
[One (M8) General] vision89:
works great. thanks :)
[One (M8) General] BlueCross:
I have the same god damn issue!

How can I fix?

Will flashing the stock RUU from T-Mobile fix it?
[One (M8) General] rufh_s:
Just got sprint HTC one m8 how did you unlocked it? Using this method? I just want to be 100 % sure if there is any method to unlock sprint m8 other than s- off /root anyone?

Strangely I got the code from some unlocking site and no option to enter anywhere

Is there any way out ? How does sprint reps does it officially ? Remote?

There must be some way out...

I am from India as well are you on Vodafone?
[One (M8) General] sharingspider:
Whichever site gave u a code scammed you. Sprint is never unlocked using a code.

This is the only method to do it. S-off is a mandate as well for the Phone to unlock. Follow the steps if you get stuck feel free to post another message will try to help u out.

Few variants are not able to S-off as well. If you are not able to S-off there is no way for now the phone can be unlocked.
[One (M8) General] rufh_s:
Unfortunately I am the unlucky one :(

Using firewater I am not going beyond 2 bottles not able to S-off

The problem is I am from India, now what are my options? Can I request someone from USA to talk to sprint and unlock it?

ANYONE BE ABLE TO DO IT FOR A REASONABLE FEE ? or does anyone know who ll be able to ? Any clues please

How sprint rep be able to do it? Remotely?

Lastly I have unlocked using htcdev.com in-case I decide to sell any way I get back to stock boot loader and everything I believe relocked would appear ?

I am stuck :(

EDIT: finally after several tries and changing USB I was able s-off and followed this guide's instructions

Supercid to 111111111 as well STILL its locked..when I enter Vodafone (India) Sim it says "invalid card contact support" ANY clue??
[One (M8) General] rajeshmahendru:
M8 Unlock

I tried everything as per instructions.. S Off, cofig.dat file but NO success, Sprint M8 is still locked. I am running ViperOneM8 1.6.0

Please help
[One (M8) General] rufh_s:
Finally!! I am able to make it work using this http://xdaforums.com/showthread.php?t=2718150

India (Vodafone)

Earlier I tried config.dat file and supercid to 111111111 as well with no luck

Try it
[One (M8) General] sharingspider:
That are the steps you have to follow anyways its in this thread as well mate - Wondering what were u trying before :o

---------- Post added at 01:28 AM ---------- Previous post was at 01:27 AM ----------

If firewater is giving u error there is no way to S-off rightnow at all. Bootloader has nothing to do with selling and also u can relock if you want it. Phone wouldn't work anyways till S-off so bootloader shouldn't be a issue for anyone anyways.
[One (M8) General] rufh_s:
I guess I wasn't very cleared there are three methods at the moment

First I tried *changing super cid to 11111111 ( as pointed out it doesn't work with foreign sims )

Then I tried with the method mentioned in this thread I.e placing config.bat file on sdcard and fastboot with simlock ( this too didn't worked for me )

Lastly I tried with http://xdaforums.com/showthread.php?t=2718150 , it involves modified HTCOMADM_SPCS.apk..etc as mentioned in thread ( This worked for me 3g everything is working fine as yet :) )

Hope clear

Why phone wouldn't work till s-off? I was referring to selling to US customer who would want to use it with sprint card...
[One (M8) General] sharingspider:
With Sprint can be programmed and work 100% fine if its a clean ens no dramas there buddy.
[One (M8) General] pbedard:
Don't work for us use I tried