diff --git a/doc/ota-ok1.png b/doc/ota-ok1.png new file mode 100644 index 0000000..efce1bb Binary files /dev/null and b/doc/ota-ok1.png differ diff --git a/doc/ota-ok2.png b/doc/ota-ok2.png new file mode 100644 index 0000000..8257927 Binary files /dev/null and b/doc/ota-ok2.png differ