diff --git a/device/accton/x86_64-accton_as7816_64x-r0/Accton-AS7816-64X/sai.profile b/device/accton/x86_64-accton_as7816_64x-r0/Accton-AS7816-64X/sai.profile
index e2f945e9a07..30fc08adde6 100644
--- a/device/accton/x86_64-accton_as7816_64x-r0/Accton-AS7816-64X/sai.profile
+++ b/device/accton/x86_64-accton_as7816_64x-r0/Accton-AS7816-64X/sai.profile
@@ -1 +1 @@
-SAI_INIT_CONFIG_FILE=/usr/share/sonic/hwsku/th2-as7816-64x100G.config.bcm
+SAI_INIT_CONFIG_FILE=/usr/share/sonic/hwsku/th2-as7816-64x25G-48x100G_row1.config.bcm
diff --git a/device/accton/x86_64-accton_as7816_64x-r0/Accton-AS7816-64X/th2-as7816-64x100G.config.bcm b/device/accton/x86_64-accton_as7816_64x-r0/Accton-AS7816-64X/th2-as7816-64x25G-48x100G_row1.config.bcm
similarity index 99%
rename from device/accton/x86_64-accton_as7816_64x-r0/Accton-AS7816-64X/th2-as7816-64x100G.config.bcm
rename to device/accton/x86_64-accton_as7816_64x-r0/Accton-AS7816-64X/th2-as7816-64x25G-48x100G_row1.config.bcm
index 2a440fbfe07..0b19742ffe3 100644
--- a/device/accton/x86_64-accton_as7816_64x-r0/Accton-AS7816-64X/th2-as7816-64x100G.config.bcm
+++ b/device/accton/x86_64-accton_as7816_64x-r0/Accton-AS7816-64X/th2-as7816-64x25G-48x100G_row1.config.bcm
@@ -26,20 +26,21 @@ max_vp_lags=0
 miim_intr_enable=0
 module_64ports=1
 oversubscribe_mode=1
+port_flex_enable=1
 
 #add loopback port
 # port 33 is the first loopback port
-portmap_33=260:10
+#portmap_33=260:10
 # port 66 is the first management port
-portmap_66=257:10
+#portmap_66=257:10
 # port 67 is the second loopback port
-portmap_67=261:10
+#portmap_67=261:10
 # port 100 is the second management port
-portmap_100=259:10
+#portmap_100=259:10
 # port 101 is the third loopback port
-portmap_101=262:10
+#portmap_101=262:10
 # port 135 is the fourth loopback port
-portmap_135=263:10
+#portmap_135=263:10
 
 #Port0
 #FC18