diff --git a/device/arista/x86_64-arista_7800r3_48cq2_lc/default_sku b/device/arista/x86_64-arista_7800r3_48cq2_lc/default_sku
new file mode 100644
index 0000000000..47d37c0d91
--- /dev/null
+++ b/device/arista/x86_64-arista_7800r3_48cq2_lc/default_sku
@@ -0,0 +1 @@
+Arista-7800R3-48CQ2-C48 t1
diff --git a/device/arista/x86_64-arista_7800r3_48cqm2_lc/default_sku b/device/arista/x86_64-arista_7800r3_48cqm2_lc/default_sku
new file mode 100644
index 0000000000..055cc86792
--- /dev/null
+++ b/device/arista/x86_64-arista_7800r3_48cqm2_lc/default_sku
@@ -0,0 +1 @@
+Arista-7800R3-48CQM2-C48 t1
diff --git a/rules/phy-credo.mk b/rules/phy-credo.mk
index ab6c45e0e9..7e94416191 100644
--- a/rules/phy-credo.mk
+++ b/rules/phy-credo.mk
@@ -1,3 +1,3 @@
 PHY_CREDO = phy-credo_1.0_amd64.deb
-$(PHY_CREDO)_URL = "https://github.com/aristanetworks/sonic-firmware/raw/08cbc09437e942c1e3cd84a7595ca686193d311b/phy/phy-credo_1.0_amd64.deb"
+$(PHY_CREDO)_URL = "https://github.com/aristanetworks/sonic-firmware/raw/0468f6c23a7219dfee6dd2819013e9f1e940c95d/phy/phy-credo_1.0_amd64.deb"
 SONIC_ONLINE_DEBS += $(PHY_CREDO)