Hovatek Forum MOBILE Android [Tutorial] How to use Wwr MTK + SP Flash tool to backup Mediatek rom
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[Tutorial] How to use Wwr MTK + SP Flash tool to backup Mediatek rom

[Tutorial] How to use Wwr MTK + SP Flash tool to backup Mediatek rom

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X3non
X3non
X3non
Recognized Contributor
22,062
16-02-2020, 11:21 PM



(15-02-2020, 08:21 PM)preferrom hello.  i was following this tutorial (thank you for it by the way) but i get stuck on step 17 because all i see in SP flash tool is DRAM flip test.  so i proceed to follow the instructions here:  "then get the length needed to make a full ROM dump using the guide @ https://www.hovatek.com/forum/thread-22701.html"  it is so confusing because that sends me to another turotial here https://www.hovatek.com/forum/thread-526.html to get the Use the scatter file to perform an SP Flash tool readback of Region EMMC_USER with the values below but that tutorial is using MTK Droid tools and at the top of the tutorial it tells ME NOT TO USE MTK DROID TOOLS and it so confusing. ...

you're to skip everything concerning mtkdroid tools, you already have your scatter file so input it into sp flash tool and perform the readback using the addresses provided in the guide. if you already know how to perform a readback then you don't necessarily need to see the guide @ https://www.hovatek.com/forum/thread-526.html
RobinHood2020
RobinHood2020
RobinHood2020
Enthusiastic Member
6
19-02-2020, 04:34 AM
I have a ZTE Z3351S phone with an MT6739 chipset. On step 9, according to your video, I'm supposed to get a red bar during the read back process, but it never appears. What am I doing wrong?
X3non
X3non
X3non
Recognized Contributor
22,062
19-02-2020, 11:19 AM
(19-02-2020, 04:34 AM)RobinHood2020 I have a ZTE Z3351S phone with an MT6739 chipset. On step 9, according to your video, I'm supposed to get a red bar during the read back process, but it never appears. What am I doing wrong?

possibly you didn't install vcom preloader driver, do so using the guide @ https://www.hovatek.com/forum/thread-440.html
if you still have any other problems, then create a new thread for it by clicking "Ask question" at the top
This post was last modified: 19-02-2020, 11:30 AM by X3non.
obiremponsolutions
obiremponsolutions
obiremponsolutions
Enthusiastic Member
5
09-04-2020, 04:04 AM
how to backup only one partition..Example, Userdata??
Lets say i want to backup Preloader, System and Userdata
How will it be possible??
X3non
X3non
X3non
Recognized Contributor
22,062
09-04-2020, 11:00 AM



(09-04-2020, 04:04 AM)obiremponsolutions how to backup only one partition..Example, Userdata??
Lets say i want to backup Preloader, System and Userdata
How will it be possible??

already replied to @ https://www.hovatek.com/forum/thread-21969.html
This post was last modified: 09-04-2020, 11:00 AM by X3non.
wichachou
wichachou
wichachou
Newbie
1
15-06-2020, 04:20 PM
Hi there !
First, thanks for all this info and for the hard work !

Next, my issue Smile
I have absolutely no idea what the chipset is in the little tablet I'm trying to root (all the tools I try display "Generic DT based system", and no information is available online..).
I think it may be a MT8321 (but impossible to confirm to my knowledge). The device is an Archos Access 70 Wifi tablet.

Anyhow, at the beginning of the process (I'm following the video tutorial), I tried to generate an empty scatter file for this chipset (MT8321) to try and dump the firmware anyway.
Problem is, when I load this empty scatter file into SP Flash Tool, it tells me "Platform MT83 not support on this platform".

Is the chipset name important for the empty scatter file ? Or can I generate it with a random name, like MT61XX?

Anyhow, I tried just that, and the main issue is that when I try to connect the tablet, it is not detected by SP Flash Tool... So no readback is possible
I installed the VCOM drivers, adb is working with the device, but SP Flash Tools just meh me...

Thanks !
This post was last modified: 15-06-2020, 08:12 PM by wichachou.
kelvinchinedu
kelvinchinedu
kelvinchinedu
Contributor
1,302
15-06-2020, 11:07 PM
I got an error saying preloader file not found why trying to add the preloader on wwr. Pls what should I do. Mt6162
X3non
X3non
X3non
Recognized Contributor
22,062
16-06-2020, 01:49 PM
(15-06-2020, 04:20 PM)wichachou Hi there !
...

chipset name is important but most mt83** usually have an alternative name starting with mt6***
i believe mt8321 should be mt6580, you could try using apps such as droid hardware info or cpu-z to check if any will detect the alternate chip name OR you could just try an mt6580 scatter and if its wrong then spft won't proceed but if its correct then spft will readback without problems

alternatively you could try backup firmware using miracle box @ https://www.hovatek.com/forum/thread-13347.html ; if successful, you'll get your firmware and a scatter file with the alternate chip name

if you still have problems then create a new thread for the issue by clicking "Ask question" at the top
This post was last modified: 16-06-2020, 01:51 PM by X3non.
X3non
X3non
X3non
Recognized Contributor
22,062
16-06-2020, 01:56 PM
(15-06-2020, 11:07 PM)kelvinchinedu I got an error saying preloader file not found why trying to add the preloader on wwr. Pls what should I do. Mt6162

check the file you're trying to add and ensure it really is preloader or has preloader
you can do this by opening the file using a hex editor then search for "4D 4D 4D 01 38" i.e MMM.8 when decoded
if not found then you should readback preloader from emmc_boot1 region

if you still have problems then create a new thread for the issue by clicking "Ask question" at the top
kelvinchinedu
kelvinchinedu
kelvinchinedu
Contributor
1,302
16-06-2020, 08:46 PM



I got an error saying preloader file not found why trying to add the preloader on wwr. Pls what should I do. Mt6162 .i have done a readback of preloader
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