19.07.7 sysupgrade on TP-link C50 v4

Hello, I downloaded update 19.07.7 for my TP-link C50 v4 from sysupgrade, when I try to update, I got this error:

Device:

Model TP-Link Archer C50 v4
Architecture MediaTek MT7628AN ver:1 eco:2
Firmware Version OpenWrt SNAPSHOT r15521-378c7ff282 / LuCI Master git-21.013.41342-df2a135
Kernel Version 5.4.89

There is difference in name tplink,archer-c50-v4 vs. tplink,c50-v4