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[Q] HTC HD 2 problems unlocking with Chevron

Hello there,
I have a problem with unlocking my htc hd2 with Chevron.
Since i upgraded my phone from WP7.0 to WP7.5 i have an connection error problem.
When i first installed WP7 on it it unlocked without any problem then i upgraded the same phone with the 7.5 wp version it seems to have problems unlocking it.
I tried everything step by step even uninstalling and installing sdk and zune but it still seems to be giving me the same problems.
I also tried to delete all the info in the hosts file and it still wont work.
Maybe its because i use the same pc and the same phone because after i updated 7.0 it saw the phone normally like an htc hd2 but after i flashed it with the 7.5 rom it saw the phone as the leo70.
I run windows 7 64 bit and i have no idea what else to try.
I also tried the dns dump and everything can someone help me out or should i just downgrade to 7.0 again ??

Please READ and help me out ...

after update my TA-1021 to pie. i faced many problem,,, so i have to downgrade 8.1 or 7.1 .. PLEASE HELP! If there is no way to downgrade for now... So Please anyone who have a link, or have android pie rom file for nokia 6 TA-1021 please share it with guide...
i think, if i have latest rom file and flash it from recovery , it can help and fix all available problems on my phone
Because if there is a specified bugs, all users had it and not just few people face the problems
For example in my phone i face problems like
1. Whole System lag
2. Google play crash
3. Fingerprint wipe after soft reset or restart the system
4. Camera dont save picture
5. Battry drain too fast,,, i charge my phone 3 or 4 times IN A DAY
6. Device heat
7. Keyboard lag
8. Dolby problem (its from 8.0)
And problems i dont remember them for now...
Maybe problems on my phone, may not happened to anyone else
So can say these problems may due to the way update Received and with flash rom from recovery, perhaps i can fix all problems
thanks in advance

if you have unlocked bootloader, it easy to downgrade with NOST not OST LA.
just power off your phone, open up nost and plug usb to your phone, select firmware and flash.
but if you have locked bootloader, i dont know maybe downgrade with december 2017 update or else.

frnsl3 said:
if you have unlocked bootloader, it easy to downgrade with NOST not OST LA.
just power off your phone, open up nost and plug usb to your phone, select firmware and flash.
but if you have locked bootloader, i dont know maybe downgrade with december 2017 update or else.
Click to expand...
Click to collapse
how can i unlock bootloader?
and where i can download NOST?

Does not anyone help?

but have you ever do factory reset after pie update ?

frnsl3 said:
but have you ever do factory reset after pie update ?
Click to expand...
Click to collapse
yes i wip and reset factory more that 2..3 time .. nothing help

milwakii said:
yes i wip and reset factory more that 2..3 time .. nothing help
Click to expand...
Click to collapse
i have ta-1021 too, but mine has no problem like you.
if you want to downgrade, i have done downgrade too. because i installed beta pie and must downgrade to get official update. but my phone has unlocked bootloader which i get from site called technomezzo or what i forgot, buy bootloader unlocker service for $ 5. Then i get nost from hicary calix thread and nougat rom.

Still on Android 8.1

Is there anyone who didn't received Android 9.0? My p20 dual sim is still stucked on Android 8.1. No news about an update even if I'm checking in settings, changing sim slot, changing language in hi care.! Nothing seems to find any update. Firmware finder finds updates, but I can't install it. My bootloader is still locked and I can't even root my phone.

shtresatu said:
Is there anyone who didn't received Android 9.0? My p20 dual sim is still stucked on Android 8.1. No news about an update even if I'm checking in settings, changing sim slot, changing language in hi care.! Nothing seems to find any update. Firmware finder finds updates, but I can't install it. My bootloader is still locked and I can't even root my phone.
Click to expand...
Click to collapse
You can try to update through hisuite on your PC.

I will try. I've never used pc suite

shtresatu said:
I will try. I've never used pc suite
Click to expand...
Click to collapse
You just connect your phone to pc, enable HDB in phone settings and than click on update in hisuite on PC, that's it

Still nothing! Pc suite doesn't find any update for my phone.

shtresatu said:
Still nothing! Pc suite doesn't find any update for my phone.
Click to expand...
Click to collapse
You have a phone from a weird region SP5C900. Usually in Europe we have C432 region and the latest update is 9.0.0.280. Still waiting for 9.1.

shtresatu said:
Is there anyone who didn't received Android 9.0? My p20 dual sim is still stucked on Android 8.1. No news about an update even if I'm checking in settings, changing sim slot, changing language in hi care.! Nothing seems to find any update. Firmware finder finds updates, but I can't install it. My bootloader is still locked and I can't even root my phone.
Click to expand...
Click to collapse
Me and some other people got the update by switching the SIM-Card. One that never has been in your phone, at best with another provider. Sounds weird, but give it a try.

I've tried with another sim card from same provider. Didn't worked. I will buy a different provider sim card.

shtresatu said:
Still nothing! Pc suite doesn't find any update for my phone.
Click to expand...
Click to collapse
Canicula is right, your branding is weird, at worst scenerio you can rebrand your phone using funky Huawei(costs like 28$)

Than I will stay on android 8.1, since is not a big change. Does any of you know a good method to root this phone?

shtresatu said:
Than I will stay on android 8.1, since is not a big change. Does any of you know a good method to root this phone?
Click to expand...
Click to collapse
One member of this telegram group knows how to obtain bootloader code from Kirin 970 devices but you will need to disassemble your phone, you can ask him(don't PM him or they will ban you) https://t.me/joinchat/I0ghckXZ93L8U-PCP4-YxQ

shtresatu said:
Is there anyone who didn't received Android 9.0? My p20 dual sim is still stucked on Android 8.1. No news about an update even if I'm checking in settings, changing sim slot, changing language in hi care.! Nothing seems to find any update. Firmware finder finds updates, but I can't install it. My bootloader is still locked and I can't even root my phone.
Click to expand...
Click to collapse
You should get in touch with Huawei service in your area. You should have received an ugrade long time ago maybe there's an issue with your device. The P20 started to receive Android 9.1 this month already.

I'm having the same issue right now.
Current version is "EML-L29 8.1.0.168(C432)" and it claims that there's no system upgrade available.
I don't have any machine that is capable to run hisuite (or does it properly work with virtualbox).
Is there nowadays any other advice?

hackepeterbroetchen said:
I'm having the same issue right now.
Current version is "EML-L29 8.1.0.168(C432)" and it claims that there's no system upgrade available.
I don't have any machine that is capable to run hisuite (or does it properly work with virtualbox).
Is there nowadays any other advice?
Click to expand...
Click to collapse
I think you also have a demo Huawei. That was the answer from my Huawei center! It doesn't work with modified HiSuite! And with Firmware Finder I'm afraid that I will hardbrick my device!

Lumia W8.1 last version

Hi!
I'm trying to update my phone to Windows Phone 10, but first I have to update it to Windows Phone 8.10.14219.341 (mine has 8.10.12393), does anyone have the image to flash it to the last version of W8.1?? I tried with WDRT, OTC Tools, changing .reg, and so on,
Plz help.

I had the same issue . Do a factory reset using WDRT. Install with default features and wait for an hour. Make sure phone is on auto update it will be updated automatically to 8.10.14219.341
However after I upgraded to windows 10 the keyboard did not work so had to revert back to 8.1
Sent from my Galaxy Note 20+ Ultra using Tapatalk

pinkfloyd1978 said:
I had the same issue . Do a factory reset using WDRT. Install with default features and wait for an hour. Make sure phone is on auto update it will be updated automatically to 8.10.14219.341
However after I upgraded to windows 10 the keyboard did not work so had to revert back to 8.1
Sent from my Galaxy Note 20+ Ultra using Tapatalk
Click to expand...
Click to collapse
Thanks but, I did more research about that version, it's called Lumia Denim, and as I understood the minimum firmware version is around xxxx.xxxxx.xx51.1xxx, but mine has xxxx.xxxxx.xx24.0xxx, I went to lumiafirmware . com and what a surprise, all the RM-877 models with "LTA" in the name doesn't have the requeried firmware, does that mean that with my carrier I can't install the last firmware without lossing my mobile functions?
If anyone knows how to tweak someway the firmware or something I'll be pleased.

Help downgrading encrypted bootloader samsung phone.

Hi all !
Hope everyone have a great day, i have got a samsung galaxy A6 US variant TMB, (SM-A600T) with android version 9, I was trying to root the phone but didn't have the knowledge that this phone can't be rooted because of locked bootloader which can't be unlock with any procedure. So i gave up and just updated my phone to the latest version available of PIE . (Android 9), To tell you more, before it was also on the same version of android 9 but earlier date. I have not updated a whole version of android but just to a latest date of android 9, Android 10 is also available for this phone but i haven't done that yet. The main problem with my phone is that before this update i just needed to charge my phone once in 24 hours, and now after update i need the same phone with same demands to charge it 3 times in 24 hours, Did every optimization for battery, unused apps, extra apps uninstalled, just one google account left, synchronization is off, NFC and near scanning is off, Bluetooth / Wifi is off, GPS is off. Auto update for apps and system software is off. Battery saving mode is enabled, clear cash has been done, factory reset is already done with flashing this version of android with odin tool, and etc every other thing has been tried with no luck, please don't advise for these things as the main problem for me is just the android version itself which i have newly flashed. Because of locked bootloader i can't flash back my older version of android 9 with odin tool, phone gives error of bootloader :
sw rev check fail device 2 binary 5​something like above after many tries the same result. tried my old firmware with the new bootloader but still no luck. (Same error). Any help or suggestions will be greatly appreciated. I am thinking what if i extract the AP of the new flashed firmware and replace the system.img.lz4 with my old firmware's system.img.lz4 to trick the phone and reflash with the new firmware but old system image file, Can this be done ? or i may brick my phone for ever ? what if i take my phone to the outside market and request a z3x flash for the old firmware version ? will that work ?
Please give any accurate solution i really want my old phone back, this locked bootloader has become a really annoying thing for me. I will never buy a phone like this which bootloader's can't be open again. Or if i wasn't able to flash this to my old version i will never use android again in my life, Better option will be to buy an iphone after 17 years of android use.
Thanks in advance.