Help to Flash MT6577 Cat B15

QBendi
Enthusiastic Member

5

28-01-2019, 02:10 PM

#1

Hi all!

The History: my Cat B15 stopped working, till i changed the accu.
It started again normaly, but Dataconnection wasn't availeble any more (on/off without funktion)
So i decided to make a factory reset.

After selecting language, skip the SIM and skip the WLAN,
the phone shows an error and restarts.
So the Phone becomes useless.

I try to flash it now, but the task is difficult i guess.

I have:
Media Tek USB VCOM installed (shows error 10 in device manager)
SP Flash Tool 5.1712
2 rar files downloaded (one rooted one unrooted) my own backup is lost

how do i proceed?

QBendi
Enthusiastic Member

5

28-01-2019, 02:14 PM

#2

here the screenshots

Attached Files

cat error.jpeg
Size: 27.23 KB / Downloads: 7

Files.png
Size: 55.07 KB / Downloads: 10

EMMANUS
Senior Member

1,677

28-01-2019, 08:03 PM

#3

First of all, backup your current rom using miracle https://www.hovatek.com/forum/thread-13347.html
Then, flash the new rom using sp flash tool https://www.hovatek.com/forum/thread-159.html

QBendi
Enthusiastic Member

5

29-01-2019, 10:56 AM

#4

Thanks for the links
i skipped the backup, because i secured all worth files already.
I tryed both files i have, but SPFT 5.1712 gives error:

witch is the correct Stock ROM / Firmware to Download from this Site?

This post was last modified: 29-01-2019, 10:59 AM by QBendi.

Attached Files

SPFT error.png
Size: 9.2 KB / Downloads: 4

xerxes
Senior Member

8,357

29-01-2019, 02:23 PM

#5

(29-01-2019, 10:56 AM)QBendi Thanks for the links
i skipped the backup, because i secured all worth files already.
I tryed both files i have, but SPFT 5.1712 gives error:

witch is the correct Stock ROM / Firmware to Download from this Site?

Which tool did you use to backup the phone's firmware?
You can try using the scatter file you got in the backup to flash the firmware you downloaded.

Sent from my M5 mini using Hovatek Mobile

EMMANUS
Senior Member

1,677

29-01-2019, 09:09 PM

#6

(29-01-2019, 10:56 AM)QBendi Thanks for the links
i skipped the backup, because i secured all worth files already.
I tryed both files i have, but SPFT 5.1712 gives error:

witch is the correct Stock ROM / Firmware to Download from this Site?

You should make that backup first, it is not for you, but to salvage your device, should things go south.
After the backup, try flashing again using a lower version of Sp flash tool e.g v5.1524

QBendi
Enthusiastic Member

5

30-01-2019, 10:30 AM

#7

OK, i tryed to download MiracleBox 2.58 + Loader, but the File is empty/broken. Please check that File!
Now i loaded 350MB for nothing and my contigent is nearly at the end - have no flatrate.
Will try to load a lower Version of MB and SPFT, like you suggested.

xerxes
Senior Member

8,357

30-01-2019, 12:47 PM

#8

(30-01-2019, 10:30 AM)QBendi OK, i tryed to download MiracleBox 2.58 + Loader, but the File is empty/broken. Please check that File!
Now i loaded 350MB for nothing and my contigent is nearly at the end - have no flatrate.
Will try to load a lower Version of MB and SPFT, like you suggested.

might be from the tool you used to download miracle box 2.58, use megasync @ https://www.hovatek.com/forum/thread-21462.html or IDM method @ https://www.hovatek.com/forum/thread-18831.html

EMMANUS
Senior Member

1,677

30-01-2019, 08:00 PM

#9

(30-01-2019, 10:30 AM)QBendi OK, i tryed to download MiracleBox 2.58 + Loader, but the File is empty/broken. Please check that File!
Now i loaded 350MB for nothing and my contigent is nearly at the end - have no flatrate.
Will try to load a lower Version of MB and SPFT, like you suggested.

Try , then give feedback

QBendi
Enthusiastic Member

5

30-01-2019, 08:17 PM

#10

I'm sorry Innagee, when i have to install more software i dont know to make a succesfull download, something dosn't sound right to me.
With other sites i have no problems at all!
...so nobody with a flatrate tried to download the file and verrified the funktion ??? SAD !!!

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