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Hello,
after updateing to B830 i have Problems with Bluetooth , crashes and other bugs.
I am pretty shure that the problem is my "full of ****" Phone and not the Software himself. Anyway.
How i can erease ALL OS Files and start with a new System (Official Version).
In the past i use Iphones - thats easy.
But i have no idea how it works on Android. I have ready many Posts, but i cant figure out what kind of software i need to do this
Bootloader? How does it work, must my p7 be rooted to flash a new rom?
I hope you can give me a easy: Step by Step for a new offical OS on the Ascend P7 ( Factory State)
Don't worry, having a factory reset it's pretty simple
First, be sure to backup everything you want to save: you can use the backup app for apps/SMS/contacts/home screen set up and other stuff, and transfer the rest on a PC/sdcard. Once you done that, go to settings-->backup and reset--->factory data reset--->reset phone. You confirm, and it starts doing its job (it will take a while).
Tanx xdadvx can you give me this file or writing step by step solution note .if you do great help to mey ROM is update to b830 and not worked correctly iwante downgrade can help me
Antonio_cia said:
My ROM is update to b830 and not worked correctly iwante downgrade can help me
Click to expand...
Click to collapse
reset restore phone
I am unsure whether my phone (which is being delivered from Gearbest) will have google play store and google sync etc all installed and working. If I don't have all of that installed + working I am going to try and flash a ROM (probably unofficial CM14.1) from here.
Now, when I went to see how to unlock the bootloader, the guide had a lot of chinese writing, so I couldn't understand what I was supposed to do... Can someone explain in english how I am supposed to unlock the bootloader?
The following is a snippet that I did not understand from the guide. Link : https://forum.xda-developers.com/zuk-z2-pro/development/how-bootloader-zuk-z2-pro-t3415392
"Unlocking the phone...
With the email now received it's time to do some dev stuff...
尊敬的ZUK用户，您好
 您已经在ZUK开发者平台申请了解锁您的ZUK智能设备的bootloader。
 附件是适用于您的设备的解锁文件，请妥善保管。
 请访问这里了解如何进行解锁操作。
 如果不是您本人操作或者您改变主意，请忽略这封邮件，您的设备将不会受到任何影响。
ZUK开发者平台
Download the unlock_bootloader.img from the email and place it somewhere easy to find for flashing."
CarpeDiemJay said:
I am unsure whether my phone (which is being delivered from Gearbest) will have google play store and google sync etc all installed and working. If I don't have all of that installed + working I am going to try and flash a ROM (probably unofficial CM14.1) from here.
Now, when I went to see how to unlock the bootloader, the guide had a lot of chinese writing, so I couldn't understand what I was supposed to do... Can someone explain in english how I am supposed to unlock the bootloader?
The following is a snippet that I did not understand from the guide. Link : https://forum.xda-developers.com/zuk-z2-pro/development/how-bootloader-zuk-z2-pro-t3415392
"Unlocking the phone...
With the email now received it's time to do some dev stuff...
尊敬的ZUK用户，您好
 您已经在ZUK开发者平台申请了解锁您的ZUK智能设备的bootloader。
 附件是适用于您的设备的解锁文件，请妥善保管。
 请访问这里了解如何进行解锁操作。
 如果不是您本人操作或者您改变主意，请忽略这封邮件，您的设备将不会受到任何影响。
ZUK开发者平台
Download the unlock_bootloader.img from the email and place it somewhere easy to find for flashing."
Click to expand...
Click to collapse
Not sure how far you've gotten following that guide. It's very good in pointing you where you need to look but it assumes that you do have a bit of knowledge to follow the basic steps without given a full explanation of every step you need to take.
With that in mind, I loaded a custom ROM in my phone just last week and here's the steps and the pitfalls you need to avoid:
This is the guide I used: http://zukfans.eu/community/threads/zuk-z2-bootloader-unlock.62/
So grab your phone S/N, install ADB and Fastboot on your PC, and install the Google and ZUK drivers.
Things to note:
If you're on Windows 8/10, you might have issues with driver signing enforcement. Bizzarely the drivers from Lenovo for the ZUK are unsigned and Windows does not like that. So you might need to disable this function. Thankfully, it's rather painless. http://www.howtogeek.com/167723/how...8.1-so-that-you-can-install-unsigned-drivers/
Now to unlock the bootloader. You'll need to go to http://developer.zuk.com/bootloader but first you'll need to register to the site. I'm assuming that you're not in China or have a chinese SIM lying around so you'll need to register using email, which can be done here: https://passport.zuk.com/wauthen3/w...lenovoid.thirdname=null&lenovoid.qrstate=null
Once you register, fill in the bootloader unlock form and you'll get an email with some Chinese writing, this is unimportant. Look at the attachment to that email and you'll find a unlock_bootloader.img file. Download it and you're in business.
Now I ran into trouble sending fastboot commands to my phone, just wouldn't be detected for some reason, no clue why. But I found this tool by mauronofrio: https://forum.xda-developers.com/zu...ol-tool-one-driversunlocktwrpfactory-t3432782 - works like a charm, you can use it to unlock the bootloader and then install TWRP on your phone.
Once you have TWRP then you can install whatever ROM that tickles your fancy, no problem. Personally I'm running Resurrection Remix by fedor917. I tried CM14.1 but it's not stable enough for me and I much prefer RR. Plus it's Marshmallow so xposed works fine on it and plenty other stuff that hasn't reached Nougat yet. I really want Nougat-based Resurrection Remix on this phone and I've been working at porting it, but it's the first time I do this so it's quite a steep learning curve.
Uivalf39 said:
Not sure how far you've gotten following that guide. It's very good in pointing you where you need to look but it assumes that you do have a bit of knowledge to follow the basic steps without given a full explanation of every step you need to take.
With that in mind, I loaded a custom ROM in my phone just last week and here's the steps and the pitfalls you need to avoid:
This is the guide I used: http://zukfans.eu/community/threads/zuk-z2-bootloader-unlock.62/
So grab your phone S/N, install ADB and Fastboot on your PC, and install the Google and ZUK drivers.
Things to note:
If you're on Windows 8/10, you might have issues with driver signing enforcement. Bizzarely the drivers from Lenovo for the ZUK are unsigned and Windows does not like that. So you might need to disable this function. Thankfully, it's rather painless. http://www.howtogeek.com/167723/how...8.1-so-that-you-can-install-unsigned-drivers/
Now to unlock the bootloader. You'll need to go to http://developer.zuk.com/bootloader but first you'll need to register to the site. I'm assuming that you're not in China or have a chinese SIM lying around so you'll need to register using email, which can be done here: https://passport.zuk.com/wauthen3/w...lenovoid.thirdname=null&lenovoid.qrstate=null
Once you register, fill in the bootloader unlock form and you'll get an email with some Chinese writing, this is unimportant. Look at the attachment to that email and you'll find a unlock_bootloader.img file. Download it and you're in business.
Now I ran into trouble sending fastboot commands to my phone, just wouldn't be detected for some reason, no clue why. But I found this tool by mauronofrio: https://forum.xda-developers.com/zu...ol-tool-one-driversunlocktwrpfactory-t3432782 - works like a charm, you can use it to unlock the bootloader and then install TWRP on your phone.
Once you have TWRP then you can install whatever ROM that tickles your fancy, no problem. Personally I'm running Resurrection Remix by fedor917. I tried CM14.1 but it's not stable enough for me and I much prefer RR. Plus it's Marshmallow so xposed works fine on it and plenty other stuff that hasn't reached Nougat yet. I really want Nougat-based Resurrection Remix on this phone and I've been working at porting it, but it's the first time I do this so it's quite a steep learning curve.
Click to expand...
Click to collapse
Thank you for replying.
I have found a simpler guide I believe...
https://www.youtube.com/watch?v=iinsQCuZr9Q or the written version... : http://www.gizbeat.com/11283/hs-usb...r-zuk-z2-and-any-qualcomm-phone-with-miflash/
There is no mention of unlocking the bootloader.
Do i not have to unlock the bootloader then?
CarpeDiemJay said:
Thank you for replying.
I have found a simpler guide I believe...
https://www.youtube.com/watch?v=iinsQCuZr9Q or the written version... : http://www.gizbeat.com/11283/hs-usb...r-zuk-z2-and-any-qualcomm-phone-with-miflash/
There is no mention of unlocking the bootloader.
Do i not have to unlock the bootloader then?
Click to expand...
Click to collapse
That is just for installing the stock ROM (ZUI) so for that you don't need to unlock your bootloader, but if you want to install a custom ROM (Cyanogenmod, MIUI, Resurrection Remix, etc.) you do need to unlock the bootloader and the install process is much simpler (unlock bootloader -> install TWRP -> wipe & install whatever ROM .zip file you want).
Uivalf39 said:
That is just for installing the stock ROM (ZUI) so for that you don't need to unlock your bootloader, but if you want to install a custom ROM (Cyanogenmod, MIUI, Resurrection Remix, etc.) you do need to unlock the bootloader and the install process is much simpler (unlock bootloader -> install TWRP -> wipe & install whatever ROM .zip file you want).
Click to expand...
Click to collapse
Ah okay, thanks.
I've found a good tutorial I think. It seems more simple compared to using the qfil qualcom software stuff. What do you reckon? I've seen other people (can't remember what thread exactly) suggesting miflash to be used as well.
http://www.gizbeat.com/11283/hs-usb...r-zuk-z2-and-any-qualcomm-phone-with-miflash/
Hello guys,
i did a mistake yesterday and accidently hit the update button of the official update dialog from mm to N on my p9. Because you cannot cancel it, it proceeded the whole process...
Now i'm stuck on the new Version and first problem were missing apps like updater, and camera?!
I was looking for the new buildnumber and it says NRD90M test-keys.
Previously i was on root but dont know the buildnumber (some MM), bootloader is unlocked.
I searched a lot on xda but did not find a similar problem with a solution that i would try.
Can anyone help me how to fix that problems? I read about a rollback but didnt find a way to do that. TWRP is loading if that helps in any way.
Goal is to get root to work with magisk maybe and an up-to-date nougat rom (and Camera back since 3rd party isnt that great).
If any other info is needed ill provide that.
Thanks in advance!
I did some research an tried a few more things.
Here's whats not working:
-flashing b136 with dload from paulobrian's thread. fails at 5% mark
-relocking bootloader with srk-tool and fastboot. resulst in: failed remote root type is risk
-flashing several other full versions
i flashed (succesfully) stock recovery following this tip: https://forum.xda-developers.com/showpost.php?p=67754200&postcount=4
system is booting but weird behaviour as described.
I read something about succesful flashing stock only with locked bl and only locking bl with stock recovery but this doesnt work for me.
Any tipps are much appreciated.
I am a novice, I tried to put a custom Rom on my smartphone Huawei p9 L09 eva. I followed a tutorial
Unlocked Bootloader: Ok
Twrp installed: Ok
Root: (ok at first but now I do not know)
But when I tried to flash the Rom custum that fell down (errors 7).
if I know no action could be done on /data (assembly creation and disassembling impossible)
But so far I am going to start my phone and use it.
But force of manipulation now my system is empty.
I can only throw in twrp diet but there is nothing I can do about /data impossible to format to change the type of the file or anything.
To know the twrp it says internal storage 0 Mb
I tried to format /data through fastboot/adb otherwise in vain
I spent hours trying to fix the problem, but nothing so far.
Thank you in advance and excuse my approximate English
If you're on Marshmallow before than always flash Marshmallow Custom Rom or If you're on Nougat before than always flash Nougat Custom Rom
For Marshmallow
https://forum.xda-developers.com/p9/development/rom-t3483134
For Nougat
https://forum.xda-developers.com/p9/development/rom-t3606185
Rafa Mistry said:
If you're on Marshmallow before than always flash Marshmallow Custom Rom or If you're on Nougat before than always flash Nougat Custom Rom
For Marshmallow
https://forum.xda-developers.com/p9/development/rom-t3483134
For Nougat
https://forum.xda-developers.com/p9/development/rom-t3606185
Click to expand...
Click to collapse
Yes perfect thanks very much for your help. ...that's work for me ?
Adn46 said:
Yes perfect thanks very much for your help. ...that's work for me ?
Click to expand...
Click to collapse
Give a thanks if you help from my work ?
I found link and instruction for upgrade, unbrick, back from custom rom, etc....and I hope that it will be useful for the most people. My recommendation is to use force upgrade method with three buttons. Enjoy!
http://androidhost.ru/2RF
Thanks, want to try.
Did you flash it already?
AnimalSub said:
Thanks, want to try.
Did you flash it already?
Click to expand...
Click to collapse
I used those service roms with same method for p10 lite, p9 lite. I didnt try this one, but, I dont expect any problem because instruction is provided by Huawei. Just, read instruction, but again my recommendation is force method. Because, normal upgrade is not necessary with this rom, ota, or ffinder are more efficient. But if someone bricked phone, or has custom rom, this is the best thing for rollback to stock rom. The reason why to use forced method iis simple, because with three buttons first flash stock recovery and than stock recovery automaticly repair all system and upgrade all things.
Rommco05 said:
I don't know if I will have reason to try this, but looks interesting
Click to expand...
Click to collapse
Just for our base ?. I hope that I will not use it too, but who knows that.
Anyone tried to downgrade from Oreo to this?
jucca said:
Anyone tried to downgrade from Oreo to this?
Click to expand...
Click to collapse
No, no this rom is not for rollback. Only if you have issues with Nougat mentioned servise rom is usefull. But if You try rollback from Emui 8 with this yiu can brick phone. For rollback from Emui 8 to Emui 5 must use official rollback from ffinder.
Sent from my WAS-LX1 using Tapatalk
How can you downgrade from softbricked Oreo ROM where FFindar can't be loaded to Nougat ?
jucca said:
How can you downgrade from softbricked Oreo ROM where FFindar can't be loaded to Nougat ?
Click to expand...
Click to collapse
How did you brick phone on Emui 8? Only solution is to try to unlock bootloader in fasrboot and downgrade using twrp, hwota. Method for rollback you can find here in our section. https://forum.xda-developers.com/p10-plus/development/downgrade-p10-plus-oreo-to-nougat-t3724382
Regards and good luck.
Sent from my WAS-LX1 using Tapatalk
Long story. Three days was trying to get it unbricked, even it was in service shop, but they didn't do much
however, upgrade from nougat to oreo didn't went well at first. Almost an hour it was installing oreo update zip file in twrp, so I had to turn off the mobile phone in middle of process. At last, it booted to Oreo, but after a first restart (changed overall appearance from large to medium), it just bootlooped. As I had nandroid backup of nougat in twrp, I tried to restore to that, and my problems just got bigger. I tried to go back to oreo again, multile times, different builds, but no luck. Than I found the method you linked, and with great help of guys from Telegram group, it booted again in OS. Hell yes
Strange thing that happend that it didn't booted to Nougat, but in Oreo acctually. Probably LowLevel format helped to fix partitions and stuff, after that bootloader was unlocked again, As for now I have bad Oreo version (8.0.0.046) will rollback again to Nougat.
I'm try to download but on half its stoped
Hi all I used this service rom and it got my phone working again but there are problems the dialer and contacts apps do not work anymore I had to Install 3rd party apps and software update is gone the project menu won't come up when you key in *#*#2846579#*#* command. Fastboot won't let me install twrp fastboot screen shows bootloader unlocked. Frp unlock As it stands I'm stuck with a working limited phone. Does anyone have any ideas I could try
Sent from my VKY-L09 using XDA Premium HD app
Alexxxx1 said:
I found link and instruction for upgrade, unbrick, back from custom rom, etc....and I hope that it will be useful for the most people. My recommendation is to use force upgrade method with three buttons. Enjoy!
http://androidhost.ru/2RF
Click to expand...
Click to collapse
Please let me know where I can find the service ROM for a VKY-L09 (P10 Plus).
The instructions on this forum are written very garbled and not clear enough for me to take a chance and upgrade my phone from Nougat to OREO.
mojoe said:
Please let me know where I can find the service ROM for a VKY-L09 (P10 Plus).
The instructions on this forum are written very garbled and not clear enough for me to take a chance and upgrade my phone from Nougat to OREO.
Click to expand...
Click to collapse
I agree with you all instruction for p10 plus make confusion. You can try this to upgrade to Oreo https://forum.xda-developers.com/p10-plus/how-to/huawei-p10-plus-debrand-rebrand-update-t3715288
But, you have stock emui 5 or some custom rom? Im asking because if you had stock rom you had to get regular Ota to emui 8. If you have custom just try to.use Hwota method from mentioned link. I have similar procedure with Hwota for p10 lite so it could be usefull in your case just as example to see how it works
https://youtu.be/m2hZT1g0jtg
If you have stock firmware emui 5, stock recovery and locked bootloader you can try Ffinder for upgrade too.
https://youtu.be/nZRaINeJF18
Alexxxx1 said:
I agree with you all instruction for p10 plus make confusion. You can try this to upgrade to Oreo https://forum.xda-developers.com/p10-plus/how-to/huawei-p10-plus-debrand-rebrand-update-t3715288
But, you have stock emui 5 or some custom rom? Im asking because if you had stock rom you had to get regular Ota to emui 8. If you have custom just try to.use Hwota method from mentioned link. I have similar procedure with Hwota for p10 lite so it could be usefull in your case just as example to see how it works
https://youtu.be/m2hZT1g0jtg
If you have stock firmware emui 5, stock recovery and locked bootloader you can try Ffinder for upgrade too.
https://youtu.be/nZRaINeJF18
Click to expand...
Click to collapse
Thank you for your reply. First reply from Huawei contributors. Thank you.
I have stock EMUI v5.10 and Android v7.0.
I unlocked the device, installed TWRP and rooted it.
I would like to upgrade to OREO and was hoping to find a solution that will allow me to upgrade using TWRP as it is working and installed.
Please advise.
Thank you once again.