diff --git a/flake.nix b/flake.nix
index 517bea8..dbea029 100644
--- a/flake.nix
+++ b/flake.nix
@@ -116,6 +116,10 @@
       overlays.unstable = final: _prev: {
         unstable = import inputs.unstable {
           inherit (final.stdenv.hostPlatform) system;
+          config = {
+            allowUnfree = true;
+            segger-jlink.acceptLicense = true;
+          };
         };
       };
 
diff --git a/modules/develPackages.nix b/modules/develPackages.nix
index 2da286e..6e4bfe8 100644
--- a/modules/develPackages.nix
+++ b/modules/develPackages.nix
@@ -64,6 +64,9 @@
 
     custom.android-cli
 
+    unstable.nrfconnect
+    unstable.nrfutil
+
     #gamedev
     godot
   ];
diff --git a/modules/nixpkgs.nix b/modules/nixpkgs.nix
index ef02c83..2880000 100644
--- a/modules/nixpkgs.nix
+++ b/modules/nixpkgs.nix
@@ -11,6 +11,7 @@
   nixpkgs = {
     config = {
       allowUnfree = true;
+      segger-jlink.acceptLicense = true;
       permittedInsecurePackages = [
         # example "python3.11-youtube-dl-2021.12.17"
       ];
diff --git a/packages/android-cli/default.nix b/packages/android-cli/default.nix
index 1545471..1508d86 100644
--- a/packages/android-cli/default.nix
+++ b/packages/android-cli/default.nix
@@ -17,7 +17,7 @@ let
 
     src = fetchurl {
       url = "https://dl.google.com/android/cli/latest/linux_x86_64/android";
-      hash = "sha256-JtvdSQKKluLE/D/Asow2afsQCmOZ62xIMyIMElNl1l8=";
+      hash = "sha256-v5hgB+1OVyiWnoqpfXwicXOSBm/XRuDmnNOwFndQuM4=";
     };
 
     nativeBuildInputs = [ autoPatchelfHook ];
diff --git a/packages/qwen-asr/default.nix b/packages/qwen-asr/default.nix
index cc20f37..a79d6ee 100644
--- a/packages/qwen-asr/default.nix
+++ b/packages/qwen-asr/default.nix
@@ -15,7 +15,7 @@ rustPlatform.buildRustPackage {
     owner = "adrlau";
     repo = "QwenASR";
     rev = "v1.0.3";
-    hash = "sha256-Ga52horbOHszNWTA3FWYQk0Awjx6QNJFQ97DD5os0fI=";
+    hash = "sha256-oPxKxQ6k7y88JYjusWpY6to9NYhnoTzJ6H7J/IViU+U=";
   };
 
   cargoHash = "sha256-eEr/QnbACtfUExqA4fYpTN2WVeWmKmSa0GwacAXzLIE=";