Develop Bugs

Cannot update after rooting :(

I´ve recently rooted my phone and now I´ve got an update from HTC that cannot be installed after rebooting. This is exactly what I get:
ClockworkMod Recovery v5.8.4.0
Finding update Package...
E:unknown volume for path [INTERNALSDCARD: Download/OTA_ENDEAVOR_U_JB_45_S_HTC_Europe_3.18.401.1.3.14.401.31_R_release_308291aozis6kzu71s9js6.zip]
E:Can´t mount INTERNALSDCARD: Download/OTA_ENDEAVOR_U_JB_45_S_HTC_Europe_3.18.401.1.3.14.401.31_R_release_308291aozis6kzu71s9js6.zip
Installation aborted
I´ve tried doing it manually by choosing the option to install from the SD card but it didn´t work anyway. When I select the OTA file it gives me "E:failed to verify whole-file signature" then "E:signature verification failed"

You can't install official updates with CWM installed. You need stock recovery.

TToivanen said:
You can't install official updates with CWM installed. You need stock recovery.
Click to expand...
Click to collapse
Can I use ANY recovery endeavoru_recovery_signed.img?
I have the international version (version 41.1, sense 4+, software number 3.14.401.31, SDK API Level 4.63, Htc version HTCExtension_Sense45_1, kernel version 3.1.10-g9fb8f80 [email protected]#1SMP PREEMPT, baseband version 5.1204.162.29, build number 3.14.401.31 CL128187)

Do fastboot getvar version-main.
The first two numbers tell you what version you need.

TToivanen said:
Do fastboot getvar version-main.
The first two numbers tell you what version you need.
Click to expand...
Click to collapse
Thanks!
I´ve got this:
version-main: 3.14.401.31
finished. total time: 0.045s
Does anyone know where can I get the recovery_signed.img and the boot_signed.img for this?
Also, on clockworkmod\download\download2.clockworkmod.com\recoveries I have a recovery-clockwork-5.8.4.0-endeavoru.img file but I cannot recall if this is the right image or not. Is there a way I can find out?

This is the stock recovery 3.14
http://db.tt/C1SWP2ZJ

Mr Hofs said:
This is the stock recovery 3.14
http://db.tt/C1SWP2ZJ
Click to expand...
Click to collapse
Thanks!
I´ve already downloaded it. So all I have to do is flash this?

I think I also need the CID. Mine is HTC__203. where do I get it? I´m not sure if I have to download ruu endeavor exe (I don´t know which version) and select it from there. I´m pretty lost
I´ve downloaded RUU_ENDEAVOR_U_JB_45_S_HTC_Europe_3.14.401.27_Radio_5.1204.162.29_release_298897_signed but I´m not going to install it until I´m sure it´s ok.

This one ?
http://androidfiles.org/ruu/securek...Radio_5.1204.162.29_release_302015_signed.exe

And if it is not the right one nothing will happen. The install aborts....
If the ruu matches your main version it is the right one mate !
And its certainly not necessary to make a new thread ! As we already where discussing it here

Mr Hofs said:
And if it is not the right one nothing will happen. The install aborts....
If the ruu matches your main version it is the right one mate !
And its certainly not necessary to make a new thread ! As we already where discussing it here
Click to expand...
Click to collapse
Many thanks. I´m downloading it right now.
And you´re absolutely right.

SO, you finally edit and remove those unthought words from post #3.
I saw this post yesterday, because of that i opt not to reply.
HTC doesn't do anything wrong here on recovery.

I've version-main 3.18 and CID HTC_032. I've installed CWM but the rom is still stock. Now i cant install any offical updates. How to i return back to stock recovery? I cant find 3.18 version anywhere. Do i need to reflash stock rom also?
thanks

willn0t said:
I've version-main 3.18 and CID HTC_032. I've installed CWM but the rom is still stock. Now i cant install any offical updates. How to i return back to stock recovery? I cant find 3.18 version anywhere. Do i need to reflash stock rom also?
thanks
Click to expand...
Click to collapse
If your rom is still full stock you only need the stock recovery.
http://db.tt/pO3jumMa

Mr Hofs said:
If your rom is still full stock you only need the stock recovery.
http://db.tt/pO3jumMa
Click to expand...
Click to collapse
Thanks!

[Q] Stock on HTC ONE white screen after OTA update.

Hi guys.
Finally today I receive the OTA upgrade to JB. First an smal upgrade was succesfully downloaded and installed, and then the firmware to upgrade the phone to JB (I had 4.03 custom rom).
After the phone install the JB upgrade the phone stuck on the HTC ONE white screen
I had a backup on the SD that let me recover the phone, I try to install the upgrade again, with the same luck. I read a post that said that erasing the SD will resolve the issue, and I have no better idea than do it!!! (yeah... really!!)
I read several post all day on XDA, I try to flash again the boot and ROM with the upgrade that I save on my PC, and with a Backup via
fastboot. But nothing work (I dont know if I did it right). I cant see the SD on fastboot, already try a factory reset, when I go to the recovery option on fastboot the phone just rebooted with no options.
My CID is BSTAR301
***UNLOCKED***
ENDEAVORU PVT SHIP S-ON RH
HBOOT-1.39.0000
CPLD-None
MICROP-None
RADIO-5.1204.162.29
eMMC-bootmode: disabled
CPU-bootmode: disabled
HW Secure boot: enabled
MODEM PATH: OFF
Dec 17 2012, 13:59:37
Attached are the backup files that I have in my pc and the OTA upgrade files that my phone download.
Here there are many people who know a lot of this!!
Please help me to recover my phone!

u say you are on a custom rom, But you tried to update OTA?
Restore phone to complete stock ( even recovery) then you can update.
you could use an RUU or maybe a nandroid

{< r o N o $ said:
u say you are on a custom rom, But you tried to update OTA?
Restore phone to complete stock ( even recovery) then you can update.
you could use an RUU or maybe a nandroid
Click to expand...
Click to collapse
Sorry, I mean I had the ORIGINAL ROM (4.03), the only change that I made was root the phone.
My CID is BSTAR301, I only have the backup files that I copy to my pc and the OTA upgrade that the phone download. I attach the images of the files that I have.
Could you please tell me how to restore it to complete stock with the commands? which files should I use?
Thanks for you help.

guillerhcp said:
Sorry, I mean I had the ORIGINAL ROM (4.03), the only change that I made was root the phone.
My CID is BSTAR301, I only have the backup files that I copy to my pc and the OTA upgrade that the phone download. I attach the images of the files that I have.
Could you please tell me how to restore it to complete stock with the commands? which files should I use?
Thanks for you help.
Click to expand...
Click to collapse
I assume that you first installed CWM or TWRP recovery to root your HOX, and if you make backup of your recovery this is CWM or TWRP recovery.img, not stock recovery.img that is came with phone because you reflashed original one with TWRP or CWM and official ROM need official recovery.img. I hope that you make nandroid backup before root with TWRP or CWM because is it "must to do" in every installation guide. If so, when you wanted to update via OTA for official JB you needed to:
1. reverse to stock software (for you, you needed only to unroot or use nandroid backup if you have yours, if not try to find one in xda one x forum matching your current CID and main-version)
2. reverse to stock recovery.img that is matching your CID (exact matching) (you need to find it on xda one x forum section) - i see that you have firmware folder but dont know is it from your backup or from OTA, if it is from OTA than you can use recovery.img from that folder to flash stock recovery.img via fastboot commands (only recovery.img)
3. then you can do official JB update via OTA
And then if you have need to custom ROM you need flash again CWM or TWRP recovery.img
Also you can get full stock with RUU but RUU must fully match your CID and main version, but RUU isn't available for every phone version, and after RUU you can do officall OTA JB update (for RUU you need to lock bootloader)
Information that can help us is yours phone current main version (fastboot getvar version-main)

hpnxfox said:
I assume that you first installed CWM or TWRP recovery to root your HOX, and if you make backup of your recovery this is CWM or TWRP recovery.img, not stock recovery.img that is came with phone because you reflashed original one with TWRP or CWM and official ROM need official recovery.img. I hope that you make nandroid backup before root with TWRP or CWM because is it "must to do" in every installation guide. If so, when you wanted to update via OTA for official JB you needed to:
1. reverse to stock software (for you, you needed only to unroot or use nandroid backup if you have yours, if not try to find one in xda one x forum matching your current CID and main-version)
2. reverse to stock recovery.img that is matching your CID (exact matching) (you need to find it on xda one x forum section) - i see that you have firmware folder but dont know is it from your backup or from OTA, if it is from OTA than you can use recovery.img from that folder to flash stock recovery.img via fastboot commands (only recovery.img)
3. then you can do official JB update via OTA
And then if you have need to custom ROM you need flash again CWM or TWRP recovery.img
Also you can get full stock with RUU but RUU must fully match your CID and main version, but RUU isn't available for every phone version, and after RUU you can do officall OTA JB update (for RUU you need to lock bootloader)
Information that can help us is yours phone current main version (fastboot getvar version-main)
Click to expand...
Click to collapse
Thanks for your help! I got the an RUU, after that I sent my backup to SD and now I have 4.0.4.
Now my phone show me a message to install the OTA to 4.1.1, but when I select install the phone make a reboot and show me CWM recovery with the message:
Finding update package...
E:unknown volume for path [INTERNALSDCARDownload/OTA_ENDEAVOR_U_JB_S_BSTR_ESN_3.14.515.36-2.17.515.1....
E:Can't mount INTERNALSDCARD...
Installation aborted.
Why the phone can't mount the SD?

You need a stock recovery. Do :
Fastboot getvar version-main
And post the outcome !
Edit :
4.0.4 software....you need this recovery and then install the ota again
http://db.tt/U5CK4noo

Mr Hofs said:
You need a stock recovery. Do :
Fastboot getvar version-main
And post the outcome !
Edit :
4.0.4 software....you need this recovery and then install the ota again
This is the result:
C:\CustomRUU>Fastboot getvar version-main
version-main: 3.14.515.36
So... I just need to install the recovery that you send me, reboot and try to install the OTA?
Click to expand...
Click to collapse

Mr Hofs said:
You need a stock recovery. Do :
Fastboot getvar version-main
And post the outcome !
Edit :
4.0.4 software....you need this recovery and then install the ota again
Click to expand...
Click to collapse
THANKS HOFS!!!
After installing the stock recovery 2.17, JB was installed successfully.
You have no idea how much appreciate your help!
Thank you!!!!

[Q] htc one x ota update

Hey all
I'm a beginner my question is my cid is 02___001 I'm running android 4.0.3 what custom Rom can I install to have the latest jelly bean 4.1

Yes I believe you can You have an O2_UK version on the HOX
Check this thread: http://forum.xda-developers.com/showthread.php?t=2031359
Cheers!

Thanks a lot
Sent from my HTC One X using xda premium

You can't run JB roms now ! First you need to update the bootloader. Are you on full stock then first ota all the way up to jellybean ! Otherwise return to stock first and update
Mr Hofs.....always in for a party !

Mr Hofs said:
You can't run JB roms now ! First you need to update the bootloader. Are you on full stock then first ota all the way up to jellybean ! Otherwise return to stock first and update
Mr Hofs.....always in for a party !
Click to expand...
Click to collapse
im running revolution hd rom not the stock rom

koubeissy.ibrahim said:
im running revolution hd rom not the stock rom
Click to expand...
Click to collapse
Then you have to go back to full stock rom, or run a ruu

Mr Hofs said:
Then you have to go back to full stock rom, or run a ruu
Click to expand...
Click to collapse
Im wanna get back to full stock rom using a nandroid backup i found:
Nandroid Backup 3.14.206.27 CID O2__001
Nandroid Backup 1.29.206.11 CID O2__001
which one do i have to use im currently running HBOOT 0.43
thanks a lot

At least the 1.29. The 3.14 is not going to work because of your low hboot. If you want to be certain you need to do a fastboot command
Fastboot getvar version-main
When the number matches your are good to go

Mr Hofs said:
At least the 1.29. The 3.14 is not going to work because of your low hboot. If you want to be certain you need to do a fastboot command
Fastboot getvar version-main
When the number matches your are good to go
Click to expand...
Click to collapse
i installed the 1.29 but now the phone is stuck in a bootloop what can i do please

Did you flash the boot.img from the nandroid backup ?
Made a full wipe before restoring the nandroid ?

Mr Hofs said:
Did you flash the boot.img from the nandroid backup ?
Made a full wipe before restoring the nandroid ?
Click to expand...
Click to collapse
First i cant access clockworkmod from the recovery menu, when i try to it stops loading the clockworkmod and reboots the phone.
i tried to flash the boot.img from the nandroid backup with no luck
is there anyway to restore the full nandroid backup from a zip file
thanks

Did you do this fastboot command ?
Fastboot getvar version-main
Post the outcome !

Mr Hofs said:
Did you do this fastboot command ?
Fastboot getvar version-main
Post the outcome !
Click to expand...
Click to collapse
here's the outcome
n-main
version-main: 1.26.206.2
finished. total time: 0.012s

Ah that's why a 1.29 does not work
I get you a ruu ....hold on will update this post shortly
Download this file
http://bugsylawson.com/index.php/fi...062-radio-112049013-release-251230-signedexe/
Put the phone in the bootloader and relock it
Fastboot oem lock
Then keep the phone in the bootloader and execute the ruu on the pc with a right click and select run as administrator
Should bring it back to full stock and start updating after that. If the phone does not detect any OTA update ..... Install this ruu then
http://bugsylawson.com/index.php/fi...62-radio-2120413520-release-275038-signedexe/
The same way as you did except locking the bootloader because it is already locked !

Mr Hofs said:
Ah that's why a 1.29 does not work
I get you a ruu ....hold on will update this post shortly
Download this file
http://bugsylawson.com/index.php/fi...062-radio-112049013-release-251230-signedexe/
Put the phone in the bootloader and relock it
Fastboot oem lock
Then keep the phone in the bootloader and execute the ruu on the pc with a right click and select run as administrator
Should bring it back to full stock and start updating after that
Click to expand...
Click to collapse
sorry for being such a pain in the as :silly: but just for making sure this is the right RUU to use i dont wanna break my phone
my hboot is 0.43.0000
S-On
CID: O2__001
do you need any more information to advise me
really thanks a lottttt
:good::good::good::good::good:

Nope this will all end very well....and your not a pain in the A ! You are just learning now

[Q] MY HOX not updating to 3.20.401.1

My HOX is now 3.14.401.31 Rooted official... And now I want to update it to 3.20.401.1 official...I reflashed official boot.img and 3.14.401.31 stock recovery but my phone stucks at stock recovery around 30%-40% and a red triangle shows... than nothing happens.. If i remember correctly i update my phone the same way from 2.17.401.2 to 3.14.401.31.... but its not updating this time...pls suggest how to update it properly....

deadbody2 said:
My HOX is now 3.14.401.31 Rooted official... And now I want to update it to 3.20.401.1 official...I reflashed official boot.img and 3.14.401.31 stock recovery but my phone stucks at stock recovery around 30%-40% and a red triangle shows... than nothing happens.. If i remember correctly i update my phone the same way from 2.17.401.2 to 3.14.401.31.... but its not updating this time...pls suggest how to update it properly....
Click to expand...
Click to collapse
ohhh to add im trying to do OTA update 3.20.401.1 around 34mb in size.... pls advice thanks

Is the outcome of
Fastboot getvar version-main
3.14.40.31 ? Then you can also return to stock with a ruu if you wish. Or get a new nandroid backup. Something is wrong somewhere
Edit : here is the ruu
http://bugsylawson.com/files/file/1...27-radio-5120416229-release-298897-signedexe/
Edit again : here you can get "new" stock backups
http://forum.xda-developers.com/showthread.php?t=1975140

Mr Hofs said:
Is the outcome of
Fastboot getvar version-main
3.14.40.31 ? Then you can also return to stock with a ruu if you wish. Or get a new nandroid backup. Something is wrong somewhere
Edit : here is the ruu
http://bugsylawson.com/files/file/1...27-radio-5120416229-release-298897-signedexe/
Edit again : here you can get "new" stock backups
http://forum.xda-developers.com/showthread.php?t=1975140
Click to expand...
Click to collapse
yes 3.14.401.31 Fastboot getvar version-main....and if i try RUU wont i lose all my pre installed apps?

Yep with a ruu you lose everything, but on the otherhand it will be 100% stock. You can make backups with titanium backup or carbon .....
Edit : with a nandroid backup you will also loose everything because you must make a full wipe before restoring a nandroid backup.

deadbody2 said:
My HOX is now 3.14.401.31 Rooted official... And now I want to update it to 3.20.401.1 official...I reflashed official boot.img and 3.14.401.31 stock recovery but my phone stucks at stock recovery around 30%-40% and a red triangle shows... than nothing happens.. If i remember correctly i update my phone the same way from 2.17.401.2 to 3.14.401.31.... but its not updating this time...pls suggest how to update it properly....
Click to expand...
Click to collapse
I guess it happens because you are rooted. Use voodoo rootkeeper from the Play Store.
Sent from my HTC One X using xda app-developers app

Nope root is not the issue, you can actually update a rooted phone as long as its stock and didn't touch the system.
You will automatically lose root after the update

Mr Hofs said:
Nope root is not the issue, you can actually update a rooted phone as long as its stock and didn't touch the system.
You will automatically lose root after the update
Click to expand...
Click to collapse
yes I think i know that much.... my phone had cwm recovery but stock ROM and now flashed original 3.14 recovery still giving error...pls advice what else to do... in apps i also have voodoo rootkeeper....can that be issue?
thanks

Hard to say. Just make a backup with titanium or carbon and run the ruu, easier and faster. You could be searching for days to find out what is wrong exactly

Ruu
Mr Hofs said:
Hard to say. Just make a backup with titanium or carbon and run the ruu, easier and faster. You could be searching for days to find out what is wrong exactly
Click to expand...
Click to collapse
Plz Help
I cant update my rooted HOX to 3.20.401.1
I need RUU
CID is HTC_032
curent version 3.18.401.1

ok after relocked the phone ...i tried to restore official RUU from the link up
RUU_ENDEAVOR_U_JB_45_S_HTC_Europe_3.14.401.27_Radio_5.1204.162.29_release_298897_signed
but it ends with ERROR 155 during the process updating signature stage..... now what.....

deadbody2 said:
ok after relocked the phone ...i tried to restore official RUU from the link up
RUU_ENDEAVOR_U_JB_45_S_HTC_Europe_3.14.401.27_Radio_5.1204.162.29_release_298897_signed
but it ends with ERROR 155 during the process updating signature stage..... now what.....
Click to expand...
Click to collapse
thats two of us
same problem same errors
now I cant download software update ...

what's the output of
Code:
fastboot getvar version-main
?

matt95 said:
what's the output of
Code:
fastboot getvar version-main
?
Click to expand...
Click to collapse
fastboot getvar version-main 3.14.401.31
but if i try
"RUU_ENDEAVOR_U_JB_45_S_HTC_Europe_3.14.401.31_R_Radio_5.1204.162.29_release_302015_signed" than it it cant even boot to bootloader
but "RUU_ENDEAVOR_U_JB_45_S_HTC_Europe_3.14.401.27_Radio_5.1204.162.29_release_298897_signed" loads in bootloader and stops with error after few minutes......with error 155

Relock the bootloader :
Fastboot oem lock
Then keep the phone in the locked bootloader menu, then right click the ruu and select
Run as administrator
And do this with the 3.14.401.31

[/COLOR]
Mr Hofs said:
Relock the bootloader :
Fastboot oem lock
Then keep the phone in the locked bootloader menu, then right click the ruu and select
Run as administrator
And do this with the 3.14.401.31
Click to expand...
Click to collapse
Done as you said but ERROR 140 BOOTLOADER VERSION ERROR
CID is HTC_032
curent version 3.18.401.1

Aahz56 said:
[/COLOR]
Done as you said but ERROR 140 BOOTLOADER VERSION ERROR
CID is HTC_032
curent version 3.18.401.1
Click to expand...
Click to collapse
there is no RUU for that version yet, you'll have to wait... and not a short period of time....

Damn man .... the update went smooth in another computer with 3.14.401.31 than i applied OTA update 3.20.401.1..thanks man....
now how do i install back my all old apps through cwm.... as i made my backup with cwm.... pls advice

deadbody2 said:
Damn man .... the update went smooth in another computer with 3.14.401.31 than i applied OTA update 3.20.401.1..thanks man....
now how do i install back my all old apps through cwm.... as i made my backup with cwm.... pls advice
Click to expand...
Click to collapse
mmmh, cmw backs up the entire rom not only the apps... so if you want to restore that backup be sure to full wipe the phone and then flash it

You can try this :
Unlock, flash the custom recovery....use this one
http://db.tt/oGDkMlwc it has ums + touch on the latest bases !
Then make a nandroid backup ..... format data and then restore the data from the older backup.....only the data, you can choose it with advanced restore options !
This way only the data, like apps will be restored to the new 3.20 based stock rom. Of it doesn't work you can go back to the clean stock nandroid backup.

Returning to Stock from JB Maximus

Hi, I'm heading back to stock JB Sense from the original JB Maximus rom (which worked very well). I relocked in fastboot and went to flash original RUU (3.14.401.31) and I got the error message to use the correct RUU. My cid is HTC__001, it's from Clove UK. Do I need to change the HBOOT? It's from the first Maximus JB rom. It's just booting to the bootloader now. Thanks for any help!

Do this:
fastboot getvar version-main
and post the result here...

vin4yak said:
Do this:
fastboot getvar version-main
and post the result here...
Click to expand...
Click to collapse
3.09.401.100
Thanks very much!

Firs you need to update your firmware to 3.14.401.31 with Hboot 1.39..
Download (firmware): http://www.androidrevolution.nl/downloader/download.php?file=3.14.401.31.zip
And then run this RUU:
http://bugsylawson.com/files/file/1...-r-radio-5120416229-release-302015-signedexe/

Hi, thanks very much, that was the RUU I used but I'll try with that firmware and report back. Cheers for the prompt help!!

Hi, I've downloaded the firmware a few times but when I try to flash it I'm getting "cannot determine image filename for 'firmware.zip'
I moved the firmware download to my fastboot folder and renamed it firmware.zip. Then I did "fastboot flash firmware.zip" < EDIT YEP THAT was the problem
Thanks again!

Honestly at this point I'd just even go back to Maximus 4.1 at this point, but those threads all disappeared.
EDIT: I got the firmware updated, now going for the RUU

Got the RUU installed, thanks very much vin4yak. Now the screen is flashing (flickering) on the sides once it booted, do you have any idea what I can do about that? I'm happy to install a different Sense rom if that helps.

Hey there,
similar problem: I have 3.09.401.100 as well, flashed the firmware successfully, relocked, tried to run the appropirate RUU but got a signature error (132) while it tries to send the it to the phone. I have the appropriate CID HTC___102 for the RUU etc. My HBOOT is 1.23.0000 - could that be a problem with the RUU? Any insights?
Thanks in advance
Froschfinger

Froschfinger said:
Hey there,
similar problem: I have 3.09.401.100 as well, flashed the firmware successfully, relocked, tried to run the appropirate RUU but got a signature error (132) while it tries to send the it to the phone. I have the appropriate CID HTC___102 for the RUU etc. My HBOOT is 1.23.0000 - could that be a problem with the RUU? Any insights?
Click to expand...
Click to collapse
That's what I got the first time I tried to run the RUU, before flashing the new firmware. You may need firmware with a higher HBOOT to use this JB RUU. Once I flashed the firmware above, the RUU in this thread worked fine. I'm having some flashing now but heck, I had that when my phone was stock when I first got it, heh. I remember that issue now!

otarinz said:
Got the RUU installed, thanks very much vin4yak. Now the screen is flashing (flickering) on the sides once it booted, do you have any idea what I can do about that? I'm happy to install a different Sense rom if that helps.
Click to expand...
Click to collapse
Glad you sorted it out mate!
if you had just gone to stock to update... Then I will recommend you to use a custom sense rom if your attached to sense that much!
Use ViperX... It needs Hboot 1.31 at least..
Steps for flashing are the same as any other rom...
1. Wipe Data..Wipe Cache...Wipe Dalvic Cache... Or use Super Wipe Script(Recommended) : https://www.dropbox.com/s/0y31poo1kiaif4y/Super wipe script.zip
2. Flash rom. Flash Patch. (Check ViperX Thread)
3. Reboot.
Froschfinger said:
Hey there,
similar problem: I have 3.09.401.100 as well, flashed the firmware successfully, relocked, tried to run the appropirate RUU but got a signature error (132) while it tries to send the it to the phone. I have the appropriate CID HTC___102 for the RUU etc. My HBOOT is 1.23.0000 - could that be a problem with the RUU? Any insights?
Thanks in advance
Froschfinger
Click to expand...
Click to collapse
You first have to update your firmware... Download this : http://goo.gl/M0hLq
and then run the ruu...

Hey there,
it sounds as if the HBOOT is in fact my problem. Quick question: How exactly did you flash the firmware, especially the HBOOT? I flashed the boot.img and recovery.img via command since I have no SD card access, but this doesn't seem to have changed the HBOOT.
Thanks again
Froschfinger

Relock the bootloader:
"fastboot oem lock"
Reboot RUU:
"fastboot oem rebootRUU"
Flash the firmware:
fastboot flash zip firmware.zip
You might get an error the first time you do it... try again until you get a successful message.
After successful flashing...
Go to fastboot again,,,
Now if you want to install a custom rom, you need to flash custom recovery by unlocking the bootloader... or if you want to go full stock then run the RUU...

Hey vin4yak,
that was the missing piece in the puzzle. Flashing the whole .zip file. Finally I got it working - thank you so much!!!!
All the best
Froscher