Saturday, 24 October 2015

[Help] HiSense U970 hard bricked



Hello guys, I have a HiSense U970 with the MT6589 chipset which got hard bricked a week ago. The phone is running a stock 4.2.1 JB and rooted. The problem is that whenever I try to flash anything using SP Flash Tool it shows this error:

BROM ERROR : S_FT_ENABLE_DRAM_FAIL (4032)
[EMI] Enable DRAM failed

I am hopeful the phone isn't totally dead since it can be:
- Detected by the computer WITHOUT the battery while holding vol down
- In Device Manager, it would show MTK USB Port (ComX) under Ports when vol down is held.

This is what happens now:
- Charging does not do anything.
- Cannot boot into recovery
- Cannot be detected by MTK Droid Tools (but I think this app needs a powered up phone to be detected by its system)
- Cannot flash anything using SPFT v3.1320.0.174 and v5.1524.00

I have searched the internet for fixes and solutions but, everything that I have found leads to that error.
Here was what I had done before the problem arose.
- Installed Preloader driver
- Used the latest version of SPFT
- Formatted whole flash except bootloader as I cannot flash the cwm rom found here without formatting
- Flashed ONLY the recovery and then downloaded it.
Green circle appears and after that, it cannot boot anymore. Cannot charge. Cannot boot into recovery.

I have tried the following with no luck:
- Used SPFT v5.1524.00 and v3.1320.0.174
- Flashing only the preloader
- Flashing only the recovery
- Format whole flash
- Formatting whole flash except bootloader
- Format all + download (v5)
- Firmware upgrade + upgrade (v3)
- Using the write memory method for writing preloader
- Flashing stock preloader
- Doing a memory test
All of which goes to the error 4032.

I have also tried using different USB ports with the same results.





If it helps, I used the scatter file for MT6589 and not my own scatter file. Using my own scatter file does not do anything before I flashed the recovery rom so, I used the MT6589 scatter file instead. Also, my scatter file was different from the MT6589.
- This was the scatter file I used.
- And this is my log from MTK Droid Tools which hopefully contains the addresses for the scatter file (I accidentally replaced my own [yea i know, stupid me])
I also cannot find the same scatter file that I had created anywhere on the internet.



I am willing to supply you with anything as long as I have access to it (hoping I have the file/information you need:fingers-crossed:).

I am hoping that you know or at least the very least, can guide me out of mine and others misery. Thank you. :fingers-crossed:



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