diff --git a/USER_GUIDE.md b/USER_GUIDE.md
index f3139521..ed12494d 100644
--- a/USER_GUIDE.md
+++ b/USER_GUIDE.md
@@ -243,3 +243,5 @@ pio device monitor
 ```
 
 If the device is stuck in a bootloop, press and release the Reset button. Then, press and hold on to the configured Back button and the Power Button to boot to the Home Screen.
+
+There can be issues with broken cache or config. In this case, delete the `.crosspoint` directory on your SD card (or consider deleting only `settings.bin`, `state.bin`, or `epub_*` cache directories in the `.crosspoint/` folder).