diff --git a/packages/core-mobile/app/components/EditFees.tsx b/packages/core-mobile/app/components/EditFees.tsx
index 17ec1d7956..c5ba31d162 100644
--- a/packages/core-mobile/app/components/EditFees.tsx
+++ b/packages/core-mobile/app/components/EditFees.tsx
@@ -144,7 +144,7 @@ const EditFees = ({
     }
   }
 
-  const saveDisabled = !!feeError || newFees.gasLimit === 0
+  const saveDisabled = !!feeError || (newFees.gasLimit === 0 && !isBtcNetwork)
 
   const sanitized = (text: string): string => text.replace(/[^0-9]/g, '')
 
diff --git a/packages/core-mobile/app/components/NetworkFeeSelector.tsx b/packages/core-mobile/app/components/NetworkFeeSelector.tsx
index 4bce9adfc1..cebc802fef 100644
--- a/packages/core-mobile/app/components/NetworkFeeSelector.tsx
+++ b/packages/core-mobile/app/components/NetworkFeeSelector.tsx
@@ -101,7 +101,7 @@ const NetworkFeeSelector = ({
   // customFees init value.
   // NetworkFee is not immediately available hence the useEffect
   useEffect(() => {
-    if (!customFees && networkFee && gasLimit > 0) {
+    if (!customFees && networkFee && (gasLimit > 0 || isBtcNetwork)) {
       const initialCustomFees = getInitialCustomFees(networkFee)
       setCustomFees(initialCustomFees)
       setCalculatedFees(initialCustomFees)
@@ -112,6 +112,7 @@ const NetworkFeeSelector = ({
     customFees,
     gasLimit,
     getInitialCustomFees,
+    isBtcNetwork,
     nativeTokenPrice,
     networkFee,
     onFeesChange,
diff --git a/packages/core-mobile/app/screens/send/ReviewSend.tsx b/packages/core-mobile/app/screens/send/ReviewSend.tsx
index 5b045a5b73..c9f17865ee 100644
--- a/packages/core-mobile/app/screens/send/ReviewSend.tsx
+++ b/packages/core-mobile/app/screens/send/ReviewSend.tsx
@@ -23,6 +23,7 @@ import AnalyticsService from 'services/analytics/AnalyticsService'
 import { Button, Text, View } from '@avalabs/k2-mobile'
 import { useSelector } from 'react-redux'
 import { selectActiveNetwork } from 'store/network'
+import { NetworkVMType } from '@avalabs/chains-sdk'
 
 type NavigationProp = SendTokensScreenProps<
   typeof AppNavigation.Send.Review
@@ -38,6 +39,7 @@ export default function ReviewSend({
     appHook: { currencyFormatter }
   } = useApplicationContext()
   const activeNetwork = useSelector(selectActiveNetwork)
+  const isBtcNetwork = Boolean(activeNetwork?.vmName === NetworkVMType.BITCOIN)
   const { goBack } = useNavigation<NavigationProp>()
   const {
     sendToken,
@@ -52,6 +54,14 @@ export default function ReviewSend({
     sendStatusMsg
   } = useSendTokenContext()
 
+  const maxFeePerGas = isBtcNetwork
+    ? fees.maxFeePerGas.toSubUnit().toString()
+    : fees.maxFeePerGas.toFeeUnit()
+
+  const maxPriorityFeePerGas = isBtcNetwork
+    ? fees.maxPriorityFeePerGas.toSubUnit().toString()
+    : fees.maxPriorityFeePerGas.toFeeUnit()
+
   function handleSend(): void {
     onSendNow()
   }
@@ -145,8 +155,8 @@ export default function ReviewSend({
             content={
               <PoppableGasAndLimit
                 gasLimit={fees.gasLimit ?? 0}
-                maxFeePerGas={fees.maxFeePerGas.toFeeUnit()}
-                maxPriorityFeePerGas={fees.maxPriorityFeePerGas.toFeeUnit()}
+                maxFeePerGas={maxFeePerGas}
+                maxPriorityFeePerGas={maxPriorityFeePerGas}
               />
             }
             position={'right'}