hello! my 7000 pro hung during working, i reboot him, and he not starting, system not load, image blackview and  that's all. i try to press power and + to factory reset, but when i choose system recovery nothing happened , second menu not loaded, only image with android robot. i tryed many times to press power then +,then unpush + and after power- all not working! aftre all it i try to update firmware, i install sp flash tool, downloades offical  last firmware from our web site, from forum topic ,upgrade will be installed  ok, but  and after  upgrade tepephone not starting absolutely((( i push power and will not happened, black screen((( so i will try to upgrade second time another firmware, older and in this time sp flash tool give me error- status_invalid_gpt (0xC0030008). i trying download preloder only- ok, but telephone not starting. Trying fromat-ok. Now in sp flash now i can only download preoleder, if i choose all- i have error tatus_invalid_gpt (0xC0030008).
pls help, what should I try to do?

Too many issues. I reccommend to contact your seller to have your device replaced under warranty.