diff --git a/ci-scripts/yaml_files/5g_rfsimulator_u0_25prb/docker-compose.yaml b/ci-scripts/yaml_files/5g_rfsimulator_u0_25prb/docker-compose.yaml
index 1282edc470..f6c945aafa 100644
--- a/ci-scripts/yaml_files/5g_rfsimulator_u0_25prb/docker-compose.yaml
+++ b/ci-scripts/yaml_files/5g_rfsimulator_u0_25prb/docker-compose.yaml
@@ -189,17 +189,15 @@ services:
         container_name: rfsim5g-oai-nr-ue
         environment:
             RFSIMULATOR: 192.168.71.140
-            FULL_IMSI: '208990100001100'
-            FULL_KEY: 'fec86ba6eb707ed08905757b1bb44b8f'
-            OPC: 'C42449363BBAD02B66D16BC975D77CC1'
-            DNN: oai
-            NSSAI_SST: 1
-            USE_ADDITIONAL_OPTIONS: --sa --rfsim -r 25 --numerology 0 --band 66 -C 2152250000 --CO -400000000 --ssb 48 --log_config.global_log_options level,nocolor,time
+            USE_VOLUMED_CONF: 'yes'
+            USE_ADDITIONAL_OPTIONS: --sa --rfsim -r 25 --numerology 0 --uicc0.imsi 208990100001100 --band 66 -C 2152250000 --CO -400000000 --ssb 48 --log_config.global_log_options level,nocolor,time
         depends_on:
             - oai-gnb
         networks:
             public_net:
                 ipv4_address: 192.168.71.150
+        volumes:
+            - ../../conf_files/nrue.uicc.conf:/opt/oai-nr-ue/etc/mounted.conf
         healthcheck:
             test: /bin/bash -c "pgrep nr-uesoftmodem"
             interval: 10s