ded_Egor , V311R this revision can return to 8.1.
V311R_P It is not possible to return to 8.1.
ddr4 memory may return old revision 8.1.
ddr3 memory of the new revision, and it is not possible to return to 8.1.
Cobra111111 very respected man knows a lot.
Post has been editedColonel0789 - 13.09.19, 12:25