chevron wp7 unlock help required!! - Nokia Lumia 800

Hello guys,
I'm new to wp7.. I recently bought a lumia 800 and tried to unlock it by installing the certificate and then running the wp7unlocker on pc (with Zune running in the background).
An error pops up each time stating that i make sure that the phone is connected using usb and the zune software is running. I googled it many times and still haven't found a solution.
I have installed the latest 12070 update via Zune and haven't flashed the phone or done anything else.
Awaiting a prompt reply.

The free Chevron unlock never worked on the Lumia 800. You have either to use the official Chevron method (which is currently not availably) or unlock your phone via AppHub. If you are a Student you could try to get a free dreamspark unlock.
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How to unlock windows 7.5 phone

Good day everybody.
I have samsung omnia 7 (downgraded to i8700) and trying to unlock for market apps installation.
I have read this thread about unlocking and it works until execute zune updates.
I successfully install chevron certificate and unlock with chevronwp7.exe.
Then I can use XAPDeployX and install a reg- Editor WP7RootTools 0.7 alpha.xap.
I mean it works everything until perform zune updates.
When I try to deploy some xap file i got this message:
Deployment FAILED with the following ERROR:
Failed to connect to device as it is developer locked. For details on developer unlock, visit http://go.microsoft.com/fwlink/?LinkId=195284.
I read something about offline updates from this link but I am not sure that this can help me.
Is possible to have unlocked windows phone 7.5 and how. I really cant figure how can I accomplish this.
Please Help !
Thanks...

[Q] Nokia l800 wp 7.8 update

hi there,
i have a Nokia l800 with DLOAD bootloader, so no dev unlocked phone . yesterday i've read an article about updating my phone.
so i was going to update my phone also. no update in zune but i saw that i could update it with Navifirm and NCS.
i followed every step, downloaded the rom. made a map C://...nokia/products/rm-801, but when i connect my phone to NCS when its off
it supposed to be recognized by NCS. but i get a message with: data packes could not be connectent or something like that.
is the problem that i have DLOAD or just that im doing it wrong.
Marijn
That's definitely not a DLOAD problem -- I've got a phone with the locked DLOAD bootloader, and I've installed loads of different ROMs via Nokia Care Suite.
I must admit though, I don't know what *is* causing your problem.
MarijnV look bottom right corner of your NCS-update window if its in offline mode....if so change it to online.

(Solved)Rogers Lumia 710 update to wp7.8 and unlock sim

Hi everyone:
I am using Rogers Lumia 710. Since haven't seen the wp7.8 update pushed to my phone, I decided to update it by myself. What I did is following:
1. Downloaded the latest firmware with NaviFirm 1.5, and chose the APAC1 Black one under RM-803 (mine is RM-809)
2, Installed the Nokia Care Suite, changed the ROM's name to my phone's product code, successfully flashed it. All my apps were gone though. Using my live ID to logon, I could get all my contacts, calendars back.
3, Using the NssPro 5.0. I flashed the OSBL file to Qualcomm.
So far everything was fine. The problem started below.
4, In NssPro, chose Simlocks -> WP7 -> Unlock
The NssPro switched the phone to OSBL mode, I could see the screen turned to dark after a short vibration, then NssPro said could not find the phone. The snapshot is attachd.
I tried many times and NssPro just couldn't find the phone.
Is there any one knows what is the cause and how to solve it?
Thank you guys.
jgprint said:
Hi everyone:
I am using Rogers Lumia 710. Since haven't seen the wp7.8 update pushed to my phone, I decided to update it by myself. What I did is following:
1. Downloaded the latest firmware with NaviFirm 1.5, and chose the APAC1 Black one under RM-803 (mine is RM-809)
2, Installed the Nokia Care Suite, changed the ROM's name to my phone's product code, successfully flashed it. All my apps were gone though. Using my live ID to logon, I could get all my contacts, calendars back.
3, Using the NssPro 5.0. I flashed the OSBL file to Qualcomm.
So far everything was fine. The problem started below.
4, In NssPro, chose Simlocks -> WP7 -> Unlock
The NssPro switched the phone to OSBL mode, I could see the screen turned to dark after a short vibration, then NssPro said could not find the phone. The snapshot is attachd.
I tried many times and NssPro just couldn't find the phone.
Is there any one knows what is the cause and how to solve it?
Thank you guys.
Click to expand...
Click to collapse
UPDATE: Problem Solved!
I was using Win7 64 bit.
Tried anther computer which is runing WinXP 32bit. Installed NCS, ZUNE and NSS Pro 0.54
The trick is:
If you connect the phone and use NSS to unlock it, NSS will turn the phone mode to OSBL mode, then it stops, just leave the phone there without any further actions. What I did was I disconnect the phone then re-plug it, click Unlock in NSS again, amazingly, it searched the phone and found a place to change. At that time the phone was recognized as NAND drive.
After NSS said successfully unlocked, I tried Fido card. The phone asked PIN and I typed in 8 zeros, then I could make phone call with Fido network.
Now my phone is unbranded, upgraded to wp7.8 and sim-unlocked. Bingo!
Hope this helps
jgprint said:
UPDATE: Problem Solved!
I was using Win7 64 bit.
Tried anther computer which is runing WinXP 32bit. Installed NCS, ZUNE and NSS Pro 0.54
Click to expand...
Click to collapse
I did not exactly understand what was your problem but I do have a problem with the drivers.
I looked in the sreenshot, what does it say in the list, just right from USB pin layout? For me, I get a not working Qualcomm driver and in this device list something like 'usb disk' appears 3 times (I don't remember the exact words, not at home to check). Instead of showing Nokia (or something) on first line.
I am wondering if we had same problem.. do I need to wipe my pc and install 32 bit win7? doesn't sound like a great idea. I tried virtualbox but I can't pass the usb through the host.

[Q] Lumia 710 Care Suite 'Non Upgradable' HELP?

Hey everyone!
I've checked for weeks now on Zune for the Windows Phone 7.8 Update. and have resorted to using the navifirm method.
It's factory unlocked from nokia, RM-803.
I've done everything correctly, but Care Suite 5.0 just gives me a 'Software Status: Not Upgradable' message. The refurbish page has the 'Start' button greyed out and I'm unable to flash ANY firmware file at all.
Does anyone have a possible work around to this? Or am I locked on 7.5 forever?
Read a few threads you`ll find a few ways up updating to 7.8
This is probably the easiest for updating
http://windowsphonehacker.com/files/seveneighter.zip
--
I did a clean flash using this method
http://forum.xda-developers.com/showthread.php?t=1665821

Lumia 920 stuck at the redscreen and detected as Nokia Flash

Hi everyone, It is 2020 but i still love my lumia 920 windows 10 insider preview,
Many days ago i tried to roll back to windows 8.1 using WDRT but it got failed a few per cent.
when i tried again it showed in device manager as NOKIA FLASH and could not be detected in WDRT. i tried to click "My device is not detected" but detected as Unknown Manufacturer, after awhile it started to download the packages for my bricked lumia 920. but after clicking INSTALL SOFTWARE the process ended with failure.
i tried to flash using WPinternals but this is lock bootloader so i could not flash it.
tried to find many forums and websites but i got nothing.
i love my lumia 920 and want to revive it back.
Please anybody help me to fix my bricked lumia with red screen?
many thanks for everyone.
r u still there?? just thor2/wpinterals to flash a ffu
don't use wdrt,it causes problems(anyway,it breaks chinese version phones rm-822)

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