diff --git a/drivers/mpsl/clock_control/nrfx_clock_mpsl.c b/drivers/mpsl/clock_control/nrfx_clock_mpsl.c
index 7c5842288625..0c7c95833189 100644
--- a/drivers/mpsl/clock_control/nrfx_clock_mpsl.c
+++ b/drivers/mpsl/clock_control/nrfx_clock_mpsl.c
@@ -38,6 +38,26 @@ static void mpsl_hfclk_src_callback(mpsl_clock_evt_type_t evt_type)
 	}
 }
 
+void nrfx_clock_lfclk_start(void)
+{
+    nrfx_clock_start(NRF_CLOCK_DOMAIN_LFCLK);
+}
+
+void nrfx_clock_lfclk_stop(void)
+{
+    nrfx_clock_stop(NRF_CLOCK_DOMAIN_LFCLK);
+}
+
+void nrfx_clock_hfclk_start(void)
+{
+    nrfx_clock_start(NRF_CLOCK_DOMAIN_HFCLK);
+}
+
+void nrfx_clock_hfclk_stop(void)
+{
+    nrfx_clock_stop(NRF_CLOCK_DOMAIN_HFCLK);
+}
+
 void nrfx_clock_start(nrf_clock_domain_t domain)
 {
 	switch (domain) {
diff --git a/scripts/quarantine.yaml b/scripts/quarantine.yaml
index ca7297d5ff45..7a781c3f3f49 100644
--- a/scripts/quarantine.yaml
+++ b/scripts/quarantine.yaml
@@ -216,10 +216,10 @@
   comment: "https://nordicsemi.atlassian.net/browse/NRFX-8605"
 
 - scenarios:
-    - sample.mcumgr.smp_svr.bt.*
-    - sample.mcumgr.smp_svr.serial.*
+    - sample.mcumgr.smp_svr.*
     - sample.dfu.dfu_target
   platforms:
     - nrf54h20dk@0.9.0/nrf54h20/cpuapp
     - nrf54l15dk/nrf54l15/cpuapp
+    - thingy53/nrf5340/cpuapp
   comment: "Requires rebase on collab-nrfx-4.0 branch"
diff --git a/west.yml b/west.yml
index 790ca1300b66..eefd5ba555cc 100644
--- a/west.yml
+++ b/west.yml
@@ -66,7 +66,7 @@ manifest:
     # https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/guides/modules.html
     - name: zephyr
       repo-path: sdk-zephyr
-      revision: a0491b6ceaf072ff7fa108ecfeddb7cbc6c3afa7
+      revision: pull/3467/head
       import:
         # In addition to the zephyr repository itself, NCS also
         # imports the contents of zephyr/west.yml at the above