How back to stock Firmware on Archer A7v5 (RU)

Hi. I tried to return the stock firmware via TFTP. The router is not flashed. Immediately goes into reboot and opens openwrt. Maybe there is an option to fill in the stock firmware using MTD?
I do as it is written here

log tftp:
Connection received from on port 2503 [08/05 15:07:05.163]
Read request for file <ArcherC7v5_tp_recovery.bin>. Mode octet [08/05 15:07:05.164]
OACK: <timeout=5,blksize=1468,> [08/05 15:07:05.166]
Using local port 51875 [08/05 15:07:05.166]
<ArcherC7v5_tp_recovery.bin>: sent 10545 blks, 15479082 bytes in 1 s. 0 blk resent [08/05 15:07:06.898]

Try Archer A7 v5 revert to stock firmware - #21 by DjiPi

That's what i do.