Please Help Me Unlock My Phone

Jamil313 · May 14, 2014

Hi i brought a sprint htc one from craigslist and spent countless hours searching and trying to sim unlock the phone so i could use t-mobile on it but i was never able unlock it if anybody that could help with this and give me some steps i would really appreciate it i have tried all xda posts here and i seen others were able to unlock so i think i just dont understand the instructions any input will be greatly appreciated i posted some screenshots please help me thank you

praveensk.rcb · May 14, 2014

Jamil313 said:
Hi i brought a sprint htc one from craigslist and spent countless hours searching and trying to sim unlock the phone so i could use t-mobile on it but i was never able unlock it if anybody that could help with this and give me some steps i would really appreciate it i have tried all xda posts here and i seen others were able to unlock so i think i just dont understand the instructions any input will be greatly appreciated i posted some screenshots please help me thank you

first of all you must be on android version 4.1.2 you are on 4.4.2 and you also must downgrade your hboot version to 1.44 for sim unlock to work... i also had the same problem i was on 4.3 and hboot 1.55 i downgraded it to 4.1.2 and sim unlocked the phone... to downgrade try this RUU http://www.androidfilehost.com/?fid=22926241640219526

Download the zip, place it in the folder where your ADB and fastboot is. Once you have it downloaded and in your ADB/fastboot folder,

From fastboot you need to first re-lock your bootloader

fastboot oem lock

Once locked it will boot back into bootloader

fastboot oem rebootRUU

Now your booted to the black HTC screen. Make sure your Rom.zip file is in your adb/fastboot folder

fastboot flash zip Rom.zip

This takes a couple minutes and you will most likely get a error
(pre-hboot update: please flush immediately)

Make sure device is still in ruu mode(black HTC screen). If not rerun

fastboot oem rebootRUU

now simply reflash the rom.zip

fastboot flash zip Rom.zip

Let it run and it should finish this time

It will reboot to a fully stock build.

just remember, anytime you get a "flush immediately" error, just make sure your still in ruu mode and reflash the zip.

The most common error is typically

(Error 155)
You did not re lock your bootloader first
-go relock and flash again:good:

Jamil313 · May 14, 2014

praveensk.rcb said:
first of all you must be on android version 4.1.2 you are on 4.4.2 and you also must downgrade your hboot version to 1.44 for sim unlock to work... i also had the same problem i was on 4.3 and hboot 1.55 i downgraded it to 4.1.2 and sim unlocked the phone... to downgrade try this RUU http://www.androidfilehost.com/?fid=22926241640219526

Download the zip, place it in the folder where your ADB and fastboot is. Once you have it downloaded and in your ADB/fastboot folder,

From fastboot you need to first re-lock your bootloader

fastboot oem lock

Once locked it will boot back into bootloader

fastboot oem rebootRUU

Now your booted to the black HTC screen. Make sure your Rom.zip file is in your adb/fastboot folder

fastboot flash zip Rom.zip

This takes a couple minutes and you will most likely get a error
(pre-hboot update: please flush immediately)

Make sure device is still in ruu mode(black HTC screen). If not rerun

fastboot oem rebootRUU

now simply reflash the rom.zip

fastboot flash zip Rom.zip

Let it run and it should finish this time

It will reboot to a fully stock build.

just remember, anytime you get a "flush immediately" error, just make sure your still in ruu mode and reflash the zip.

The most common error is typically

(Error 155)
You did not re lock your bootloader first
-go relock and flash again:good:

Thank you so much ill try this right and see how it turns out

Jamil313 · May 15, 2014

Took me two hours to download the rom you gave me but it keeps saying its invalid but i was able relock the boot loader

praveensk.rcb · May 15, 2014

Jamil313 said:
Took me two hours to download the rom you gave me but it keeps saying its invalid but i was able relock the boot loader

what was the error you got exactly???

Jamil313 · May 15, 2014

praveensk.rcb said:
what was the error you got exactly???

After i downloaded the zip folder it says error the folder doesnt even open

praveensk.rcb · May 15, 2014

Jamil313 said:
After i downloaded the zip folder it says error the folder doesnt even open

you should not open the zip file.. you should flash it from fastboot... its in the instructions clearly... its not like other RUU's which get .exe file...:good:

Jamil313 · May 15, 2014

praveensk.rcb said:
you should not open the zip file.. you should flash it from fastboot... its in the instructions clearly... its not like other RUU's which get .exe file...:good:

Okay please wait and ill do it right now and see what happens

Jamil313 · May 15, 2014

Jamil313 said:
Okay please wait and ill do it right now and see what happens

Okay when i try to flash that in recovery it keeps saying failed

praveensk.rcb · May 15, 2014

Jamil313 said:
Okay when i try to flash that in recovery it keeps saying failed

can you put all the process what happens in the cmd window here... let me see...

Jamil313 · May 16, 2014

praveensk.rcb said:
can you put all the process what happens in the cmd window here... let me see...

PLease tell me what am i doing wrong i followed every steps you gave me and now its stuck on RUU

Jamil313 · May 16, 2014

praveensk.rcb said:
can you put all the process what happens in the cmd window here... let me see...

After waiting 15 mins this came up but hboot is still at 1.56 it did not downgrade im going to retry the process again

relic626 · May 17, 2014

Need Help!

Hey guys i'm getting an active cmdline over flow on my Sprint Htc One that i sim unlocked to use on a GSM network. Sadly along with that i'm constantly dropping and reconnecting to the network.
It appears that my mmcblk0p19 seems to be corrupted.
So my question is can anyone who has a Sprint Htc One PN072 pull the misc partition from their phone and upload it so that i may compare and fix mine?

in custom recovery, do the following adb commands:

adb shell dd if=/dev/block/mmcblk0p19 of=/tmp/mmcblk0p19_bak.img
adb pull /tmp/mmcblk0p19_bak.img

Any assistance will be greatly appreciated

praveensk.rcb · May 17, 2014

Jamil313 said:
After waiting 15 mins this came up but hboot is still at 1.56 it did not downgrade im going to retry the process again

yeah try again... rename the RUU file to ROM.zip or firmware.zip and try to flash it.. and also try on a different pc.. sometimes it works like in my case it worked on my friends PC,...

Jamil313 · May 17, 2014

praveensk.rcb said:
yeah try again... rename the RUU file to ROM.zip or firmware.zip and try to flash it.. and also try on a different pc.. sometimes it works like in my case it worked on my friends PC,...

Tried Windows Vista, Windows 7 & Windows 8.1 it does the same thing

praveensk.rcb · May 17, 2014

Jamil313 said:
Tried Windows Vista, Windows 7 & Windows 8.1 it does the same thing

thats wierd.. never happend to me.. can you please run a command in fastboot and post it here...
the command is " fastboot getvar all ":fingers-crossed:

EDIT: hey try this thread once... seems to work for others...
http://xdaforums.com/showthread.php?t=2576995

Jamil313 · May 20, 2014

praveensk.rcb said:
thats wierd.. never happend to me.. can you please run a command in fastboot and post it here...
the command is " fastboot getvar all ":fingers-crossed:

EDIT: hey try this thread once... seems to work for others...
http://xdaforums.com/showthread.php?t=2576995

Thanks for all your help but i managed it i installed badboyz 4.3 rom than used the RUU and it works

but the network is horrible i get one bar and it always keeps dropping

praveensk.rcb · May 20, 2014

Jamil313 said:
Thanks for all your help but i managed it i installed badboyz 4.3 rom than used the RUU and it works
but the network is horrible i get one bar and it always keeps dropping

huh.. finally u did it... congratulations.. but the network problem seems to exist in all the phones i presume... even tough the network tower is near my home i only get 3-4 bars max...

twill1987 · Jun 8, 2014

Does that above also apply to me??

My bootloader is unlocked with H-Boot 1.56, I'm S-off, rooted and TWRP recovery. I'm on the 6th rom I've flashed (Tried CM 11 Nightly, CM 10 Snapshot, Stock Deodexed rooted 4.1.2, 4.4.2, MIUI, Viper Rom) and I've been working on this device for about 48 hours non-stop. I am NEED of assistance if ANYONE can offer it.

Does this sim unlock also work for phones that are currently registered on Sprints network? Like the account is still active? I've got a Sprint HTC one I've performed the Sim Unlock attempting to use my T-Mobile sim, but it says will "Emergency Calls Only." And "Searching for network/No Service" I've got a red X where the signal bars are. Of course No text, no voice and no data. I've gone into the *#*#4636#*#* service menu and changed the settings to WCDMA, but NO dice. Yes, I went to mobile settings, searched for service and nothing appears, just a blank screen! The phone does recognize my Sim card and even shows my cell number and IMEI, UICC as well. I've even attempted to change RUIM settings in DFSCDMA Tool. I have changed the radio around about 5 different times with NO fix. I have searched high and low on these forums and haven't found anyone that can help me.

Please Help Me Unlock My Phone

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