diff --git a/pkgs/desktops/lomiri/services/lomiri-telephony-service/default.nix b/pkgs/desktops/lomiri/services/lomiri-telephony-service/default.nix
index 6675c88c140b..980d5483be2c 100644
--- a/pkgs/desktops/lomiri/services/lomiri-telephony-service/default.nix
+++ b/pkgs/desktops/lomiri/services/lomiri-telephony-service/default.nix
@@ -2,13 +2,13 @@
   stdenv,
   lib,
   fetchFromGitLab,
+  fetchpatch,
   gitUpdater,
   nixosTests,
   runCommand,
   ayatana-indicator-messages,
   bash,
   cmake,
-  ctestCheckHook,
   dbus,
   dbus-glib,
   dbus-test-runner,
@@ -53,6 +53,31 @@ stdenv.mkDerivation (finalAttrs: {
     hash = "sha256-CNtJPMust7zCuoXw/CpaK4NVXijTXA3Xs4YMJiZyxes=";
   };
 
+  patches = [
+    # Fixes for test flakiness & newer libnotify compatibility
+    # Remove when version > 0.6.2
+    (fetchpatch {
+      name = "0001-lomiri-telephony-service-new-libnotify-needs-spec_version.patch";
+      url = "https://gitlab.com/ubports/development/core/lomiri-telephony-service/-/commit/6b0b51a4fcfafcd10ae5fe4928d49c9f73f14d12.patch";
+      hash = "sha256-E9THrqE77GXBY8ftwrkwFzFCTSa/YpkaHiX4ivjH6mM=";
+    })
+    (fetchpatch {
+      name = "0002-lomiri-telephony-service-tests-depend-on-the-notification-mock.patch";
+      url = "https://gitlab.com/ubports/development/core/lomiri-telephony-service/-/commit/8c5a3048492eb01354565f0892a61770eb27b957.patch";
+      hash = "sha256-nLN+Evyq4Yf9GN2wSSPXmzEzTPXHDl+Pl5FKOiwdDY8=";
+    })
+    (fetchpatch {
+      name = "0003-lomiri-telephony-service-approver-fix-race-condition-when-accepting-calls.patch";
+      url = "https://gitlab.com/ubports/development/core/lomiri-telephony-service/-/commit/b3123f784ed692f9424c978e68867a8662d00083.patch";
+      hash = "sha256-/JEkoEEivFwFoNOrcdDleAGOjdUwS4SlUovMr9trNQQ=";
+    })
+    (fetchpatch {
+      name = "0004-lomiri-telephony-service-Robustness-fixes-for-tests.patch";
+      url = "https://gitlab.com/ubports/development/core/lomiri-telephony-service/-/commit/e886fbdd016327634e935986f2b63b90833295be.patch";
+      hash = "sha256-Ie9kM7UHSjmORTOTNzZ1/qtM4ILkOnGjyQCXXo1PU88=";
+    })
+  ];
+
   postPatch = ''
     # Queries qmake for the QML installation path, which returns a reference to Qt5's build directory
     # Patch out failure if QMake is not found, since we don't use it
@@ -112,7 +137,6 @@ stdenv.mkDerivation (finalAttrs: {
   ];
 
   nativeCheckInputs = [
-    ctestCheckHook
     dbus-test-runner
     dconf
     gnome-keyring
@@ -139,25 +163,6 @@ stdenv.mkDerivation (finalAttrs: {
   # Starts & talks to D-Bus services, breaks with parallelism
   enableParallelChecking = false;
 
-  disabledTests = [
-    # Flaky, randomly failing to launch properly & stuck until test timeout
-    # https://gitlab.com/ubports/development/core/lomiri-telephony-service/-/issues/70
-    "AccountEntryTest"
-    "AccountEntryFactoryTest"
-    "AuthHandlerTest"
-    "CallEntryTest"
-    "ChatManagerTest"
-    "HandlerTest"
-    "OfonoAccountEntryTest"
-    "PresenceRequestTest"
-    "TelepathyHelperSetupTest"
-
-    # Failing most of the time since libnotify 0.8.8
-    # https://gitlab.com/ubports/development/core/lomiri-telephony-service/-/issues/75
-    "ApproverTest"
-    "MessagingMenuTest"
-  ];
-
   preCheck = ''
     export QT_QPA_PLATFORM=minimal
     export QT_PLUGIN_PATH=${