For the 5pcs US1275 you received lately, we did send you the right remote control.
However, according to the situation you mentioned, the remote control can’t be used for US1275.
In order to solve the problem, pls let us know:
1. How many remote controls cannot be used? All the 5?
2. Can you try other remote controls on US1275? For example the one for LW 28? Before sending you any new remote controls, we need to find out which one can be used for these 5pcs US1275.