diff --git a/README.md b/README.md
index b0477d0..00084a1 100644
--- a/README.md
+++ b/README.md
@@ -89,3 +89,9 @@ D:
 4 phone prototypes built to work with the cape
 bugs:
 - the central tab is a bit too long. it's hard to remove the battery
+
+E:
+now phone version prototype built
+bugs:
+- resistors are in the way of connections
+- pull-up/limiting resistor misplaced. the nMOS gate oscillates around Vth
diff --git a/hardware/version b/hardware/version
index 573541a..1c50726 100644
--- a/hardware/version
+++ b/hardware/version
@@ -1 +1 @@
-0
+E
diff --git a/release/hardware-release_vE.tar.gz b/release/hardware-release_vE.tar.gz
new file mode 100644
index 0000000..479d4ff
Binary files /dev/null and b/release/hardware-release_vE.tar.gz differ