diff --git a/installer/updater/update.json b/installer/updater/update.json
index 4653205442..228029e9fb 100644
--- a/installer/updater/update.json
+++ b/installer/updater/update.json
@@ -1,7 +1,7 @@
 {
-  "ota_url": "https://commadist.azureedge.net/neosupdate/ota-signed-c4f56c62c5603c86e2ae9d83008a8d42a91319979661d0c42fb97b85d9112266.zip",
-  "ota_hash": "c4f56c62c5603c86e2ae9d83008a8d42a91319979661d0c42fb97b85d9112266",
-  "recovery_url": "https://commadist.azureedge.net/neosupdate/recovery-c5db3790c3b09756e8e896187ddb3f1258315eb0a86030468baa187b84a3bbf5.img",
-  "recovery_len": 15209772,
-  "recovery_hash": "c5db3790c3b09756e8e896187ddb3f1258315eb0a86030468baa187b84a3bbf5"
+  "ota_url": "https://commadist.azureedge.net/neosupdate/ota-signed-5dc2575d713977666a8e14ae1b43a04d7f63123934c80fa10751d949a107653e.zip",
+  "ota_hash": "5dc2575d713977666a8e14ae1b43a04d7f63123934c80fa10751d949a107653e",
+  "recovery_url": "https://commadist.azureedge.net/neosupdate/recovery-f01a55c9ba52ca57668d1684c6bf4118efd31916b04f8c1fcd8495013d3677eb.img",
+  "recovery_len": 15222060,
+  "recovery_hash": "f01a55c9ba52ca57668d1684c6bf4118efd31916b04f8c1fcd8495013d3677eb"
 }
diff --git a/launch_chffrplus.sh b/launch_chffrplus.sh
index d8bf6da5cf..92f3189523 100755
--- a/launch_chffrplus.sh
+++ b/launch_chffrplus.sh
@@ -10,11 +10,21 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
 
 function two_init {
 
-  # Wifi scan
-  wpa_cli IFNAME=wlan0 SCAN
+  # set IO scheduler
+  setprop sys.io.scheduler noop
+  for f in /sys/block/*/queue/scheduler; do
+    echo noop > $f
+  done
 
   # *** shield cores 2-3 ***
 
+  # TODO: should we enable this?
+  # offline cores 2-3 to force recurring timers onto the other cores
+  #echo 0 > /sys/devices/system/cpu/cpu2/online
+  #echo 0 > /sys/devices/system/cpu/cpu3/online
+  #echo 1 > /sys/devices/system/cpu/cpu2/online
+  #echo 1 > /sys/devices/system/cpu/cpu3/online
+
   # android gets two cores
   echo 0-1 > /dev/cpuset/background/cpus
   echo 0-1 > /dev/cpuset/system-background/cpus
@@ -75,6 +85,9 @@ function two_init {
   # disable bluetooth
   service call bluetooth_manager 8
 
+  # wifi scan
+  wpa_cli IFNAME=wlan0 SCAN
+
   # Check for NEOS update
   if [ $(< /VERSION) != "$REQUIRED_NEOS_VERSION" ]; then
     if [ -f "$DIR/scripts/continue.sh" ]; then
diff --git a/launch_env.sh b/launch_env.sh
index a1a969db01..f6f3b9f173 100755
--- a/launch_env.sh
+++ b/launch_env.sh
@@ -7,7 +7,7 @@ export OPENBLAS_NUM_THREADS=1
 export VECLIB_MAXIMUM_THREADS=1
 
 if [ -z "$REQUIRED_NEOS_VERSION" ]; then
-  export REQUIRED_NEOS_VERSION="17"
+  export REQUIRED_NEOS_VERSION="18"
 fi
 
 if [ -z "$AGNOS_VERSION" ]; then