[Honor 7X  Guides, News, & Discussion] mrmazak:
Manually Install Full-OTA Files-Upgrade or Downgrade

Steps:

Prepare and Notice

A. Warning! Flash phone might get it bricked. I am not responsible for it.

B. Backup your data, it might be restore factory default setting especially using downgrade ROM version.

C. Unlock bootloader before flash steps. If already unlocked it is OK.

D. After update successfully, device might be locked again. Unlock again if needed.

E. HWOTA--hi6250-7-8.zip Download

F.Download Update files for your device from Pro-teammt.ru

Process

A. Extract HWOTA package(Step E. from above). Copy both HWOTA7 and HWOTA8 folders onto root of (ext-sdcard, decrypted internal sdcard, usb flash otg).

B. Add your Three (3) update files to HWOTA* folder; HWOTA7 if on Nougat: HWOTA8 if on Oreo.

C. (if have twrp already skip to E)Connect phone and enable adb , Use Replace_Recovery.bat in HWOTA to flash TWRP recovery.

D. Disconnect USB cable, use Vol-Up + Power to boot into TWRP.

E. From in TWRP install sdcard hwota7-8-auto.zip-- If using USB-otg or decrypted internal , flash hwota7-8-auto-internal.zip

F. Watch twrp screen for the message to press volume button to continue.

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To Downgrade Back to Nougat from OREO --

A. Download roll-back update for your device (not all versions have roll-back yet, many do) from Pro-teammt.ru

B. Roll-backs have only two (2) files, other than that difference, follow directions same as above.

PARTIAL ROLL-BACK LIST --

A. BND-L21c432 http://pro-teammt.ru/firmware-database/?firmware_model=BND-L21C432B124&firmware_page=0

B. BND-L24c567 http://pro-teammt.ru/firmware-database/?firmware_model=Bond-l24c567b150&firmware_page=0

C. BND-L34c567 (MATE se) http://pro-teammt.ru/firmware-database/?firmware_model=Bond-l34c567b&firmware_page=0

D. BND-al10c675 (BND-L22)http://pro-teammt.ru/firmware-database/?firmware_model=BND-al10c675b161&firmware_page=0

E. BND-L21C636 https://pro-teammt.ru/firmware-database/?firmware_model=BND-L21C636B158CUSTC636D001&firmware_page=0

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Updated(Nov 2018) Version V17 (Can run built in updater on Older V) on Firmware downloader

Beta Tool Folder ==> Download

Tool checks version of phone with "getprop" or also with input from user.

Tool only gets available listed FullOTA for your device Model and Region code. Then you choose from that list.

Tool also verifies md5 of downloaded files and saves them onto your desktop in device/version sub folders.

Can Be used to extract the downloaded zip. and extract the update.app into separate images.

Last step gives option to push updates to phone to help with HWOTA

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Alternate HWOTA with full rebrand

HWOTA with RE-brand

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FILE INTEGRITY IS IMPORTANT, Please be in good Habit and always check numbers after a download.

My download links above are on Android file host. they all show MD5 on the download site.

The update files from http://pro-teammt.ru do not have MD5 listed.

Here are the MD5 numbers for the USA L24 update files

e75a21769f049430840ea900b11600c4 update.zip
73414b5383e5fb3391e77a13c17dca53 update_data_full_public.zip
122f0e91d77fba6e399300926d1ef289 update_full_bnd-l24_hw_usa.zip

Old thread. Not continued.

Search emui-flasher instead

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