Lenovo s920 , TOOL DL Image Fail , Uboot is blocking by dlinfo

Ok so as described in the title my phone lenovo s920 is stuck in a boot loop

what happened :

1. updated to latest lenovo firmware via ota

2. all apps crashing

3. downloaded 4.2 stock and flashed to phone via sp flash tool

4. PMT to be downloaded problem

5. Formatted via sp flash tool

6. Flashed successfully

7. Problem tool dl image failed :(

8. Tried flashing again with usb and emmc checksum

9. problem not fixed


Any help will be appreciated