Is WR1034ND firmware upgrade compatible with WR1043N router. Do I have to apply all upgrades or is the last upgrade cumulative? Thank for your reply.

Region : Canada Model : TL-WR1043ND Hardware Version : V1 Firmware Version : ISP : I have a WR1043N router but I can not find reference to it when I try to check for any firware updates. Is it not...