diff --git a/core/src/apps/ethereum/networks.py b/core/src/apps/ethereum/networks.py
index 9bd081a352..9c00d1a86f 100644
--- a/core/src/apps/ethereum/networks.py
+++ b/core/src/apps/ethereum/networks.py
@@ -66,6 +66,12 @@ def _networks_iterator() -> Iterator[NetworkInfoTuple]:
             "ETH",  # symbol
             "Ethereum",  # name
         )
+        yield (
+            10,  # chain_id
+            614,  # slip44
+            "ETH",  # symbol
+            "Optimism",  # name
+        )
         yield (
             56,  # chain_id
             714,  # slip44
@@ -84,12 +90,24 @@ def _networks_iterator() -> Iterator[NetworkInfoTuple]:
             "POL",  # symbol
             "Polygon",  # name
         )
+        yield (
+            8453,  # chain_id
+            8453,  # slip44
+            "ETH",  # symbol
+            "Base",  # name
+        )
         yield (
             17000,  # chain_id
             1,  # slip44
             "tHOL",  # symbol
             "Holesky",  # name
         )
+        yield (
+            42161,  # chain_id
+            9001,  # slip44
+            "ETH",  # symbol
+            "Arbitrum One",  # name
+        )
         yield (
             11155111,  # chain_id
             1,  # slip44
@@ -103,6 +121,12 @@ def _networks_iterator() -> Iterator[NetworkInfoTuple]:
             "ETH",  # symbol
             "Ethereum",  # name
         )
+        yield (
+            10,  # chain_id
+            614,  # slip44
+            "ETH",  # symbol
+            "Optimism",  # name
+        )
         yield (
             56,  # chain_id
             714,  # slip44
@@ -121,12 +145,24 @@ def _networks_iterator() -> Iterator[NetworkInfoTuple]:
             "POL",  # symbol
             "Polygon",  # name
         )
+        yield (
+            8453,  # chain_id
+            8453,  # slip44
+            "ETH",  # symbol
+            "Base",  # name
+        )
         yield (
             17000,  # chain_id
             1,  # slip44
             "tHOL",  # symbol
             "Holesky",  # name
         )
+        yield (
+            42161,  # chain_id
+            9001,  # slip44
+            "ETH",  # symbol
+            "Arbitrum One",  # name
+        )
         yield (
             11155111,  # chain_id
             1,  # slip44
@@ -140,6 +176,12 @@ def _networks_iterator() -> Iterator[NetworkInfoTuple]:
             "ETH",  # symbol
             "Ethereum",  # name
         )
+        yield (
+            10,  # chain_id
+            614,  # slip44
+            "ETH",  # symbol
+            "Optimism",  # name
+        )
         yield (
             56,  # chain_id
             714,  # slip44
@@ -158,12 +200,24 @@ def _networks_iterator() -> Iterator[NetworkInfoTuple]:
             "POL",  # symbol
             "Polygon",  # name
         )
+        yield (
+            8453,  # chain_id
+            8453,  # slip44
+            "ETH",  # symbol
+            "Base",  # name
+        )
         yield (
             17000,  # chain_id
             1,  # slip44
             "tHOL",  # symbol
             "Holesky",  # name
         )
+        yield (
+            42161,  # chain_id
+            9001,  # slip44
+            "ETH",  # symbol
+            "Arbitrum One",  # name
+        )
         yield (
             11155111,  # chain_id
             1,  # slip44
@@ -177,6 +231,12 @@ def _networks_iterator() -> Iterator[NetworkInfoTuple]:
             "ETH",  # symbol
             "Ethereum",  # name
         )
+        yield (
+            10,  # chain_id
+            614,  # slip44
+            "ETH",  # symbol
+            "Optimism",  # name
+        )
         yield (
             56,  # chain_id
             714,  # slip44
@@ -195,12 +255,24 @@ def _networks_iterator() -> Iterator[NetworkInfoTuple]:
             "POL",  # symbol
             "Polygon",  # name
         )
+        yield (
+            8453,  # chain_id
+            8453,  # slip44
+            "ETH",  # symbol
+            "Base",  # name
+        )
         yield (
             17000,  # chain_id
             1,  # slip44
             "tHOL",  # symbol
             "Holesky",  # name
         )
+        yield (
+            42161,  # chain_id
+            9001,  # slip44
+            "ETH",  # symbol
+            "Arbitrum One",  # name
+        )
         yield (
             11155111,  # chain_id
             1,  # slip44
@@ -214,6 +286,12 @@ def _networks_iterator() -> Iterator[NetworkInfoTuple]:
             "ETH",  # symbol
             "Ethereum",  # name
         )
+        yield (
+            10,  # chain_id
+            614,  # slip44
+            "ETH",  # symbol
+            "Optimism",  # name
+        )
         yield (
             56,  # chain_id
             714,  # slip44
@@ -232,12 +310,24 @@ def _networks_iterator() -> Iterator[NetworkInfoTuple]:
             "POL",  # symbol
             "Polygon",  # name
         )
+        yield (
+            8453,  # chain_id
+            8453,  # slip44
+            "ETH",  # symbol
+            "Base",  # name
+        )
         yield (
             17000,  # chain_id
             1,  # slip44
             "tHOL",  # symbol
             "Holesky",  # name
         )
+        yield (
+            42161,  # chain_id
+            9001,  # slip44
+            "ETH",  # symbol
+            "Arbitrum One",  # name
+        )
         yield (
             11155111,  # chain_id
             1,  # slip44
diff --git a/core/src/apps/ethereum/networks.py.mako b/core/src/apps/ethereum/networks.py.mako
index 0ac8bfab9f..2b2f858956 100644
--- a/core/src/apps/ethereum/networks.py.mako
+++ b/core/src/apps/ethereum/networks.py.mako
@@ -65,7 +65,7 @@ def _networks_iterator() -> Iterator[NetworkInfoTuple]:
         yield (
             ${n.chain_id},  # chain_id
             ${n.slip44},  # slip44
-            "${n.shortcut}",  # symbol
+            "${n.symbol}",  # symbol
             "${n.name}",  # name
         )
 % endfor