I found this while searching , i think it may help someone "H118N"

[minanagehsalalma]

Source : https://m.koaomi.com/20170703/4117120.html

As we know , some models like H298A and H168N uses a Signature to decrypt/encrypt the config file

so here is this one from the serial log

[DB][Info] szCfgSignVal= ZXHN H118N,iRet:0