diff --git a/Update-firmware.md b/Update-firmware.md
index cc0d046..9c099c6 100644
--- a/Update-firmware.md
+++ b/Update-firmware.md
@@ -1,3 +1,7 @@
+If you are UNDER v2.0.0 or nightly n_240114, you have you update with hackrf mode with normal procedure (instead of only update with hackrf serial)
+Above v2.0.0 or nightly n_240114, you are free to update whatever you want, however, online serial update is still recommend.
+
+
 In theory, it is impossible to brick the device, since you can always try the DFU recovery procedure. However, the updating might become fiddly in certain conditions.
 
 # Normal procedure