Here's the Official Firmware of H5000
HS805_YHSM_S73_UHANS_V1.3_20161213 – full_len6737m_65_m0-user 6.0 MRA58K
https://mega.nz/#!eZlRmJZL!c1qM76aVXS7e ... sX5NYX6yxs
You need Flashtool , and follow this guide to flash your Smartphone
http://techprolonged.com/use-sp-flash-t ... tphones-2/
No warranty given for flashing process, so take care and do it at your own risk!
Firmware Flashing is necessary only in very rare situations, so, only if your device seems to be dead, try to use this tool.