diff --git a/router/CC2531/bin/CC2531_router_2018_09.zip b/router/CC2531/bin/CC2531_router_2018_09.zip
deleted file mode 100644
index ec3c376..0000000
Binary files a/router/CC2531/bin/CC2531_router_2018_09.zip and /dev/null differ
diff --git a/router/CC2531/bin/CC2531_router_2019_02.zip b/router/CC2531/bin/CC2531_router_2019_02.zip
new file mode 100644
index 0000000..9788988
Binary files /dev/null and b/router/CC2531/bin/CC2531_router_2019_02.zip differ