diff --git a/FAQ.mediawiki b/FAQ.mediawiki
index dfebdbf..58ebfb7 100644
--- a/FAQ.mediawiki
+++ b/FAQ.mediawiki
@@ -105,6 +105,8 @@ This effect is more likely for slower Android device and USB devices with smalle
Using a higher thread priority (default for SerialInputOutputManager
since ''usb-serial-for-android v3.1.0'') and offloading work from onNewData
to other threads can mitigates the issue.
+It is recommended to use some sort of flow control like X-Modem protocol.
+
Data loss can also occur with inappropriate buffer size, as shown in next Question.