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Update BLN-L22C675 from EMUI 5.X.X to EMUI 8.0 (with VOLTE)- Noob Friendly

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Hi Guys,

Note- if you are on BLN-L22C675 Nougat you can do this easily but if you are on other variants, you need to debrand first as per this guide- https://forum.xda-developers.com/hon...t-bln-t3679402

Some background-
Quote:

So what I heard earlier that post China Oreo beta, other regions may not get it (via various unofficial channels and on XDA) its finally here, even though via firmware finder but it gives us a glimpse that beta or stable would be coming soon.

I had given my Honor 6X to my brother 6 months back and was using V10 since then but he came yesterday and I tried to enable VOLTE on that phone but was not working. Even though I debranded my Honor 6X from AL10 to BLN-L22 Indian version very easily (guide in my signature) but somehow I was not able to get VOLTE working. Yesterday I tried all the known methods till 2.30 AM My time but VOLTE was not working and I gave up but today morning again I tried and updated my phone to EMUI 8.0 (already kept one phone for my brother so that if something goes wrong, I will give a new one to him so that he can use atleast as he is leaving today)

As VOLTE was not working and I decided to update to Android 8.0 Indian version, I saw a screenshot in my Honor 6X Oreo update discussion thread and downloaded and flashed via HuRUpdater but failed last night and I recovered back to B340 and then updated to B365.



In this guide, I will provide detailed instruction on how to update your Nougat BLN-L22C675 Indian version of Honor 6X to Oreo. Process is simple and you just need patience while updating and post updating I verified, Jio, Vodafone VOLTE working (seems iDEA would work but no 4G in Delhi/NCR).

Prerequisites-
If you have not unlocked your your bootloader, please do so. You can refer this guide if not aware of the method-
Unlocking the bootloader-
  • Backup all your data as unlocking the bootloader will reset the device and all your data will be erased.
  • On windows machine, go to folder C:\adb or wherever you installed the adb drivers.
  • Press shift+right click together and select Open command prompt here (it will be open PowerShell here on Windows 8 and Windows 10 machine)
  • Run - adb reboot bootloader (this command may prompt for acceptance of RSA key if not already accepted)
  • This will boot the phone into bootloader mode.
  • Run - fastboot oem unlock <16 digit unlock code- Put your actual code you obtained from Huawei site > (This step will unlock the bootloader and will erase all your data)
  • Phone will restart automatically.

Installing TWRP
  • Once on the system, open the PowerShell or command prompt again in ADB folder (can use the previous instance as well)
  • Run -
    Code:
    adb reboot bootloader
  • Once in bootloader, Run
    Code:
    fastboot flash recovery twrp-3.1.1-0-berlin.img
    (This will install the TWRP recovery for EMUI 5.0 on your phone)
  • Once done with the flashing the TWRP, Run
    Code:
    fastboot reboot

Actual Oreo update procedure
  • Once you have unlocked the bootloader, and installed TWRP recovery via command
  • Download the Oreo firmware given above in download link.
  • Download the HWOTA_BLN_Eng.zip from the link given above.
  • Unzip the HWOTA_BLN_Eng.zip file and move the extracted content (HWOTA_BLN_Eng folder) to adb folder of your PC.
  • Copy the downloaded Oreo firmware to C:\adb\HWOTA_BLN_Eng\HWOTA8_BLN\update\ folder.
  • Rename update_data_full_public.zip file to update_data_public.zip and update_full_BLN-L22_channel_in.zip to update_all_hw.zip, do not rename the update.zip.
  • Boot to bootloader or fastboot mode. Keep your phone connected with PC.
  • Go to C:\adb\HWOTA_BLN_Eng\HWOTA8_BLN folder and run the update_eng.bat file and follow the on screen instructions.


  • The update_eng.bat will install the TWRP recovery and boot to TWRP (if not, you can remove USB and press power and volume up key and it will boot to TWRP, connect the USB again)
  • You will get prompt for update via SD card or script, select via script
  • You will get prompt for change region or change firmware, select change firmware.
  • It will automatically copy the content of C:\adb\HWOTA_BLN_Eng\HWOTA8_BLN\update, mainly those 3 zips and it will flash automatically.
  • You may see the update.zip file flashed as successful with no error but may see Error result [] for other 2 zips, dont worry that is expected.
  • Once flashed, it will automatically boot to Oreo without any issue and also it will ask if you want to relock your bootloader or keep this unlocked, this is your wish, I kept it unlocked and will be locked in future updates.
  • Your Nougat data may remain the same as it was in my case but I would advise to go with Hisuite backup and TWRP backup.
  • If phone unable to boot, flash the stock recovery and make factory reset and boot normally, it should boot fine. (haven't encountered this issue though)
  • I did factory reset after booting and verifying to system. Everything was working fine but still I did just to avoid any issue or lag (even though no lags were seen)

About Phone info and VOLTE for Jio and Vodafone. iDEA VOLTE would work as well but there is no 4G in NCR.
Enjoy Oreo.

Update- anyone having issues with call recorder, turn off Google voice typing and recording will work fine.
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21st July 2018, 11:03 AM |#2  
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Changelog for - BLN-L22HN 8.0.0.510(C675CUSTC675D1)

Code:
[PHP][PHP]ANDROID 8.0[Oreo] upgrade with EMUI 8.0 is available for your device. This will upgrade your system BLN-L22HN 8.0.0.510(C675CUSTC675D1).
      
● VOLTE calls enabled for Vodafone,Idea and JIO.

● Call Recording feature has been added, and it has an ability to Records all your phone calls.

● EMUI 8.0 not only brings you the latest version of Android (8.0), it's also boosted with a lot of great features and improvements to make your device more intuitive, faster and safer. We highly recommend updating now.
    

● A new floating Navigation dock lets you perform frequently-used operations from anywhere on the screen. Newly added home screen shortcuts let you quickly access the app features you use most frequently. Simply touch and hold an app icon to display a shortcut menu.
● You can drag your navigation to  any where of screen once you enabled this brand-new feature.
● How to set:Go to Setting  > System > System navigation > Navigation dock Or drop down status bar > Navigation dock.
    
● Long-tap on parts of apps launcher icons, a shortcut menu will display. 
● You can Tap and drag a shortcut to pin it to the device's launcher. 
● Play Store, Settings, Gallery, Dialler, Contacts, Messaging, Camera, Email, Themes, Clock, Calendar, Notepad, Sound Recorder, Downloads etc. support the feature.
    

● Improved false touch protection functionality reduces unintended operations on the touch screen in a wider range of scenarios.


● Smart tips recommend you faster and smarter ways to operate your phone, appearing in specific usage scenarios and responding to your usage habits. 

● Contacts and Email now let you sync the career details of your LinkedIn contacts.

● Settings has been redesigned for clearer and more intuitive organization.

● Gallery new features a recycle bin that retains deleted photos for up to 30 days. Accidentally deleted photos can be restored with a single touch.

● Phone Manager has been simplified to make managing your device easier. Standard cleanups are faster and deep cleanups more thorough.

● Google security patches are merged to make your device more secure.
   
● Downloading over WiFi is recommended. and make sure that the remaining power is greater than 50%.
● This update will not erase your personal data, but it's recommended to backup all of your personal data, including phone book, text messages, emails etc. before updating.
●  Some third-party apps that are not compatible with Android 8.0 may function incorrectly after the update. It is recommended that you update these apps to their latest versions in the Google Play Store.
● Before upgrading, please ensure there is sufficient storage space for the update package on either the microSD card or the internal storage prior to proceeding with the update. Free storage space can be checked under system settings -> storage.
● During downloading upgrade package, the operation of the device will not be impacted. Please note, upgrade procedure need have some minutes to let device reboot and flashing. During flashing, the device is not available to be used.
● If you encounter any problems during the update, please contact the customer service hotline or visit an authorized Huawei service center for assistance which you can find.
● Your home screen layout may be rearranged slightly.
● This system version can be rolled back to the official version of EMUI 5.0 in Phone Manager. Rolling back the system version will erase your personal data. For more information, please contact the customer service hotline.
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21st July 2018, 11:03 AM |#3  
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Stock Boot file for BLN-L22C675 OREO.
Attached Files
File Type: zip RAMDISK.zip - [Click for QR Code] (8.10 MB, 758 views)
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21st July 2018, 11:36 AM |#4  
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Bro which oreo recovery that support mtp and access to OTG
21st July 2018, 11:38 AM |#5  
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Quote:
Originally Posted by rojanjoy01

Bro which oreo recovery that support mtp and access to OTG

did you mean during TWRP or in general. Mine supports OTG by default all the time.
21st July 2018, 12:25 PM |#6  
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Which TWRP ar you using on oreo ?
21st July 2018, 01:11 PM |#7  
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Quote:
Originally Posted by sreekantt

Which TWRP ar you using on oreo ?

None. I flashed without it. same as given in guide. you may use this post update-
https://mega.nz/#!a81EDZAR!2-9yPFh3r...fqDsgUG66ewjkk
21st July 2018, 01:50 PM |#8  
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amazing work Shashank...
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21st July 2018, 01:53 PM |#9  
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Quote:
Originally Posted by shashank1320

None. I flashed without it. same as given in guide. you may use this post update-
https://mega.nz/#!a81EDZAR!2-9yPFh3r...fqDsgUG66ewjkk

Internal storage shows as 0Mb. If I format data, Rom won't boot. I had to flash back stock recovery to factory reset and make it boot.
Flashing TWRP again shows 0Mb. Looks like a decryption issue.
21st July 2018, 02:02 PM |#10  
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Quote:
Originally Posted by sreekantt

Internal storage shows as 0Mb. If I format data, Rom won't boot. I had to flash back stock recovery to factory reset and make it boot.
Flashing TWRP again shows 0Mb. Looks like a decryption issue.

May be TWRP is not compatible with Oreo yet. Have seen similar issues on V10. BTW given back the phone to bro and he left for Mumbai so I couldnt test and explore much but somehow I updated his phone to Oreo and then got VOLTE working as was struggling since long and even yesterday for around 8-10 hours.
Which stock recovery you used (extracted from update.zip or else)?
21st July 2018, 02:23 PM |#11  
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Quote:
Originally Posted by shashank1320

did you mean during TWRP or in general. Mine supports OTG by default all the time.

which twrp u use ,plz give the link
bro viper4fx not working on oreo emui 8,plz help me for solving this
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