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[ROM] MTK6573 / Hero H7300 / HD7 Clone / T9299 Cooked ROM

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tuxfamily
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Nope, unfortunatly, I don't have any factory roms for these devices.
I've searched on Chinese forums and manufacturers sites but nothing.

On the first one, the Miki, the recovery mode has been modified, there is no option do update from a zip for example, only some test features, so I think it will be harder with this one.

But for the galaxy clone, everything is 'default'.
I've try to do a OTA in recovery mode but it failed, so it checks the certificate at least (it was an exploit for samsung phones).

I hope that I will find a breach, specialy for the miki because it has no market, and lot of chinese apps, so it is almost useless.
 
bgcngm
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Quote:
Originally Posted by tuxfamily View Post
Nope, unfortunatly, I don't have any factory roms for these devices.
I've searched on Chinese forums and manufacturers sites but nothing.
I have never tried this before, but I'm 99% sure this should work:
  • Use "Read Back" feature from SP Flash Tool to read boot image from the device
  • Modify boot image (make it unsecure)
  • Flash the modified boot image using SP Flash Tool

Well, for this you have to assume 0x480000 as the default start address of BOOT partition and a length of 0x600000.

Let me know if you can read back from your devices and then I'll be glad to help you to modify boot.img.
Latest custom ROMs: ZTE V987 (MT6589) / ZTE V970 (MT6577)

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tuxfamily
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Quote:
Originally Posted by bgcngm View Post
I have never tried this before, but I'm 99% sure this should work:
  • Use "Read Back" feature from SP Flash Tool to read boot image from the device
  • Modify boot image (make it unsecure)
  • Flash the modified boot image using SP Flash Tool

Well, for this you have to assume 0x480000 as the default start address of BOOT partition and a length of 0x600000.

Let me know if you can read back from your devices and then I'll be glad to help you to modify boot.img.
Well, I'm not very familiar with this, but I've tried.

I've installed the driver, first time I have plugged both phones (switched off), they was detected as "Preloader USB VCOM Android (Com3)", so it seems ok.

Next, I've loaded the scrapper for MT6573, I've added a "read back" starting at 0x480000, but when I click "read back", it doesn't find the phone, it keeps searching (using Options > USB Mode of course).

I've tried several time, with the phones completely switched, with the battery removed, starting the phone, etc. but no luck.

Maybe I'm doing something wrong, I will keep searching.

Does this method is supposed to work with all the phones ?
Thanks.
 
uoah
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hello,

I have a dapeng a7 phone, is mtk 6573 based. This rom would work?

Thanks a lot.
 
bgcngm
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Quote:
Originally Posted by tuxfamily View Post
Does this method is supposed to work with all the phones ?
The tool is supposed to work with any MediaTek based smartphone. As I told you, I have never tried to read back from the device using SP Flash Tool, but I'll give it a try later in the evening and let you know.
Latest custom ROMs: ZTE V987 (MT6589) / ZTE V970 (MT6577)

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bgcngm
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I have just published this tutorial: Creating ROM dump of your MT65x3 device.

As soon as you have a backup of your boot.img let me know and I can help you to modify it.
Latest custom ROMs: ZTE V987 (MT6589) / ZTE V970 (MT6577)

If you like my work, please feel free to donate...

The Following 2 Users Say Thank You to bgcngm For This Useful Post: [ Click to Expand ]
 
tuxfamily
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Quote:
Originally Posted by bgcngm View Post
I have just published this tutorial: Creating ROM dump of your MT65x3 device.
I didn't know that it was your website but it is here that I took SP Flash Tool this morning
Very good site. Many thanks.
I've tried "power + vol up" but not "vol up" alone, it was the key.
Thanks for this tips.
I will try this later and let you know.
 
bgcngm
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Quote:
Originally Posted by tuxfamily View Post
I didn't know that it was your website but it is here that I took SP Flash Tool this morning
Very good site. Many thanks.
Yeah, that's my blog.

Quote:
I've tried "power + vol up" but not "vol up" alone, it was the key.
That's also the "trick" to flash the phone when PRELOADER image is selected.
Latest custom ROMs: ZTE V987 (MT6589) / ZTE V970 (MT6577)

If you like my work, please feel free to donate...

 
uoah
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Thanks a lot! I would try as soon as I can
 
tuxfamily
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Quote:
Originally Posted by bgcngm View Post
I have just published this tutorial: Creating ROM dump of your MT65x3 device.
So, I've tried ...

I've followed your instructions but it doesn't work, with the 2 phones.

I've even tried to install drivers on a fresh XP in case it was my x64 Seven, but same result, it keeps "searching", no red bar

What is strange is that the drivers are well installed the first time I plug the phone, so I really don't know if it is the phones or SP Flash Tool or me ...

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