Successfully reseted my PHEV BMU - get 95% (38Ah) using MIni VCI cable, recommended at Nikolay's forum:
https://forum.kolyandex.su/viewtopic.php?f=6&t=81
... and following instructions there:
https://forum.kolyandex.su/viewtopic.php?f=14&t=206
Now the question is: how to get 100% (40Ah) at next...
If anybody still interesting in SSID and Password for Remote Control: on my 2014 PHEV is different location, than posted above:
MUT-III > STV > System select > EV/MiEV Remote System > Special Function > Wireless LAN Information