--- a/docshell/base/nsAboutRedirector.cpp
+++ b/docshell/base/nsAboutRedirector.cpp
@@ -5,24 +5,19 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #include "nsAboutRedirector.h"
 #include "nsNetUtil.h"
 #include "nsAboutProtocolUtils.h"
 #include "nsBaseChannel.h"
 #include "mozilla/ArrayUtils.h"
 #include "nsIProtocolHandler.h"
+#include "mozilla/Preferences.h"
 
-#if defined(MOZ_WIDGET_ANDROID) && defined(RELEASE_OR_BETA)
-#  define ABOUT_CONFIG_BLOCKED_GV
-#endif
-
-#ifdef ABOUT_CONFIG_BLOCKED_GV
-#  include "mozilla/jni/Utils.h"  // for mozilla::jni::IsFennec()
-#endif
+#define ABOUT_CONFIG_ENABLED_PREF "general.aboutConfig.enable"
 
 NS_IMPL_ISUPPORTS(nsAboutRedirector, nsIAboutModule)
 
 struct RedirEntry {
   const char* id;
   const char* url;
   uint32_t flags;
 };
@@ -158,23 +153,20 @@ nsAboutRedirector::NewChannel(nsIURI* aU
     }
 
     nsCOMPtr<nsIChannel> channel = new CrashChannel(aURI);
     channel->SetLoadInfo(aLoadInfo);
     channel.forget(aResult);
     return NS_OK;
   }
 
-#ifdef ABOUT_CONFIG_BLOCKED_GV
-  // We don't want to allow access to about:config from
-  // GeckoView on release or beta, but it's fine for Fennec.
-  if (path.EqualsASCII("config") && !mozilla::jni::IsFennec()) {
+  if (path.EqualsASCII("config") &&
+      !mozilla::Preferences::GetBool(ABOUT_CONFIG_ENABLED_PREF, true)) {
     return NS_ERROR_NOT_AVAILABLE;
   }
-#endif
 
   for (int i = 0; i < kRedirTotal; i++) {
     if (!strcmp(path.get(), kRedirMap[i].id)) {
       nsCOMPtr<nsIChannel> tempChannel;
       nsCOMPtr<nsIURI> tempURI;
       rv = NS_NewURI(getter_AddRefs(tempURI), kRedirMap[i].url);
       NS_ENSURE_SUCCESS(rv, rv);
 

--- a/modules/libpref/init/StaticPrefList.yaml
+++ b/modules/libpref/init/StaticPrefList.yaml
@@ -2917,16 +2917,21 @@
     value: false
     mirror: always
 #endif
 
 #---------------------------------------------------------------------------
 # Prefs starting with "general."
 #---------------------------------------------------------------------------
 
+- name: general.aboutConfig.enable
+  type: bool
+  value: true
+  mirror: always
+
 - name: general.smoothScroll
   type: RelaxedAtomicBool
   value: true
   mirror: always
 
 # This pref and general.smoothScroll.stopDecelerationWeighting determine
 # the timing function.
 - name: general.smoothScroll.currentVelocityWeighting