How to read flash/info from ZTE Z820 Obisdain? - GSM-Forum

Dr_Wolodya · 10-20-2017, 21:13

Need to read flash from alive ZTE Z820 and flash it to boot-looped ZTE Z820.
CPU - MT6735.
How to read flash/fw/fullflash?
All possible options get error:

Code:

    Disconnect Mobile...
    Re-Put the Mobile Bettery...
    Then Connect your Phone to Computer again....
    Please Make sure Mobile better has Power...
>>> Searching Mobile Port...
    Get Mobile Port is:  COM14
>>> Device driver identification: 
    MediaTek PreLoader USB VCOM (Android)
>>> Mobile Has Connect...
    CPU_NAME: MT6735
>>> Reading Mobile Hardware Info...Success
    HW_Inf:  8A00    SW_Inf:  CA00
>>> Initialization Mobile ...Success
>>> Downloading Boot1 To Mobile Phone...Fail

Dr_Wolodya · 10-20-2017, 21:40

* ZTE Z820 Obsidian

zhulianqi · 10-21-2017, 07:51

you try hold vol down and read flash again!!!if can not,try 2.06 version,we has add more flash support for zte

Dr_Wolodya · 10-23-2017, 17:13

Quote:

Originally Posted by zhulianqi

you try hold vol down and read flash again!!!if can not,try 2.06 version,we has add more flash support for zte

More flash support for zte don't help me - 2.03, 2.05 and 2.06 - error still same:

Code:

    Disconnect Mobile...
    Re-Put the Mobile Bettery...
    Then Connect your Phone to Computer again....
    Please Make sure Mobile better has Power...
>>> Searching Mobile Port...
    Get Mobile Port is:  COM14
>>> Device driver identification: 
    MediaTek PreLoader USB VCOM (Android)
>>> Mobile Has Connect...
    CPU_NAME: MT6735
>>> Reading Mobile Hardware Info...Success
    HW_Inf:  8A00    SW_Inf:  CA00
>>> Initialization Mobile ...Success
>>> Downloading Boot1 To Mobile Phone...Fail

.::ARD::. · 10-23-2017, 17:25

Update the driver by uninstall and re-install

Dr_Wolodya · 10-23-2017, 18:39

Quote:

Originally Posted by .::ARD::.

Update the driver by uninstall and re-install

My driver 100% work correct because all other mtk-based brands can be successfully flashed/unlocked/repaired.
Anyway, where I can download tested correct driver for re-installing?

Dr_Wolodya · 10-23-2017, 19:36

Sorry, driver found on mrt folder.
Re-install, reboot. With vol down and without log same:

Code:

    Disconnect Mobile...
    Re-Put the Mobile Bettery...
    Then Connect your Phone to Computer again....
    Please Make sure Mobile better has Power...
>>> Searching Mobile Port...
    Get Mobile Port is:  COM14
>>> Device driver identification: 
    MediaTek PreLoader USB VCOM (Android)
>>> Mobile Has Connect...
    CPU_NAME: MT6735
>>> Reading Mobile Hardware Info...Success
    HW_Inf:  8A00    SW_Inf:  CA00
>>> Initialization Mobile ...Success
>>> Downloading Boot1 To Mobile Phone...Fail

Also here is log from Windows XP (drivers from mrt folder):

Code:

    Disconnect Mobile...
    Re-Put the Mobile Bettery...
    Then Connect your Phone to Computer again....
    Please Make sure Mobile better has Power...
>>> Searching Mobile Port...
    Get Mobile Port is:  COM14
>>> Device driver identification: 
    MediaTek PreLoader USB VCOM (Android)
    Connect Timeout

zhulianqi · 10-24-2017, 04:46

MediaTek PreLoader USB VCOM (Android)
this driver come is not have hold the boot key
zte phone boot key need

Dr_Wolodya · 10-24-2017, 15:01

Phone have just three buttons - vol up, down and power. With all of them this driver come.
Do you have any other ideas?

10-20-2017, 21:40	#2 (permalink)
Dr_Wolodya No Life Poster Join Date: Jul 2004 Location: Ukraine Age: 44 Posts: 2,727 Member: 75408 Status: Offline Thanks Meter: 1,190	* ZTE Z820 Obsidian

10-21-2017, 07:51	#3 (permalink)
zhulianqi No Life Poster Join Date: Jul 2008 Location: china guangzhou Age: 35 Posts: 1,321 Member: 812359 Status: Offline Sonork: 100.1597111 Thanks Meter: 6,791	you try hold vol down and read flash again!!!if can not,try 2.06 version,we has add more flash support for zte

10-23-2017, 17:25	#5 (permalink)
.::ARD::. Product Supporter Join Date: Dec 2011 Location: Indonesia / Guangzhou Age: 38 Posts: 5,036 Member: 1705891 Status: Offline Sonork: 100.1604564 Thanks Meter: 8,139	Update the driver by uninstall and re-install

10-24-2017, 04:46	#8 (permalink)
zhulianqi No Life Poster Join Date: Jul 2008 Location: china guangzhou Age: 35 Posts: 1,321 Member: 812359 Status: Offline Sonork: 100.1597111 Thanks Meter: 6,791	MediaTek PreLoader USB VCOM (Android) this driver come is not have hold the boot key zte phone boot key need

10-24-2017, 15:01	#9 (permalink)
Dr_Wolodya No Life Poster Join Date: Jul 2004 Location: Ukraine Age: 44 Posts: 2,727 Member: 75408 Status: Offline Thanks Meter: 1,190	Phone have just three buttons - vol up, down and power. With all of them this driver come. Do you have any other ideas?