diff --git a/examples/cra-dapp/package.json b/examples/cra-dapp/package.json
index adfaecf44..48f0fbfe9 100644
--- a/examples/cra-dapp/package.json
+++ b/examples/cra-dapp/package.json
@@ -8,9 +8,9 @@
   },
   "dependencies": {
     "@fuels/connectors": "0.35.1",
-    "@fuels/react": "0.35.1",
+    "@fuels/react": "0.39.0-pr-446-73",
     "@tanstack/react-query": "5.28.4",
-    "fuels": "0.96.1",
+    "fuels": "0.0.0-pr-3487-20241220190150",
     "react": "18.3.1",
     "react-dom": "18.3.1"
   },
diff --git a/package.json b/package.json
index e88a941ca..45c900602 100644
--- a/package.json
+++ b/package.json
@@ -124,7 +124,7 @@
       "send@<0.19.0": ">=0.19.0",
       "serve-static@<1.16.0": ">=1.16.0",
       "rollup@>=4.0.0 <4.22.4": ">=4.22.4",
-      "fuels": "0.96.1",
+      "fuels": "0.0.0-pr-3487-20241220190150",
       "secp256k1@=5.0.0": ">=5.0.1",
       "elliptic@<6.6.0": ">=6.6.0",
       "cross-spawn@<7.0.5": ">=7.0.5",
diff --git a/packages/app/package.json b/packages/app/package.json
index b524d4492..8b017b7fe 100644
--- a/packages/app/package.json
+++ b/packages/app/package.json
@@ -21,6 +21,8 @@
   },
   "dependencies": {
     "@fontsource/source-code-pro": "5.0.13",
+    "@fuel-ts/math": "0.97.2",
+    "@fuel-ts/providers": "0.73.0",
     "@fuel-ui/css": "0.23.3",
     "@fuel-ui/icons": "0.23.3",
     "@fuel-ui/react": "0.23.3",
@@ -44,7 +46,7 @@
     "events": "3.3.0",
     "fake-indexeddb": "4.0.2",
     "framer-motion": "10.16.4",
-    "fuels": "0.96.1",
+    "fuels": "0.0.0-pr-3487-20241220190150",
     "json-edit-react": "1.13.3",
     "json-rpc-2.0": "1.7.0",
     "lodash.debounce": "4.0.8",
diff --git a/packages/app/src/systems/DApp/hooks/useTransactionRequest.tsx b/packages/app/src/systems/DApp/hooks/useTransactionRequest.tsx
index 6ff1ba477..f4d7aa391 100644
--- a/packages/app/src/systems/DApp/hooks/useTransactionRequest.tsx
+++ b/packages/app/src/systems/DApp/hooks/useTransactionRequest.tsx
@@ -142,6 +142,7 @@ export function useTransactionRequest(opts: UseTransactionRequestOpts = {}) {
   }
 
   function request(input: TxInputs['request']) {
+    console.log('request', input);
     service.send('START', { input });
   }
 
diff --git a/packages/app/src/systems/DApp/pages/TransactionRequest/TransactionRequest.tsx b/packages/app/src/systems/DApp/pages/TransactionRequest/TransactionRequest.tsx
index 433923442..e5de4132f 100644
--- a/packages/app/src/systems/DApp/pages/TransactionRequest/TransactionRequest.tsx
+++ b/packages/app/src/systems/DApp/pages/TransactionRequest/TransactionRequest.tsx
@@ -93,6 +93,7 @@ export function TransactionRequest() {
               errors={errors.simulateTxErrors}
               isConfirm
               fees={fees}
+              skipCustomFee={txRequest.input.skipCustomFee}
             />
           )}
           {shouldShowTxExecuted && (
@@ -100,6 +101,7 @@ export function TransactionRequest() {
               showDetails
               tx={txSummaryExecuted}
               txStatus={executedStatus()}
+              skipCustomFee={txRequest.input.skipCustomFee}
               footer={
                 status('failed') && (
                   <Button
diff --git a/packages/app/src/systems/Send/hooks/useSend.tsx b/packages/app/src/systems/Send/hooks/useSend.tsx
index 01f862328..18f4d4346 100644
--- a/packages/app/src/systems/Send/hooks/useSend.tsx
+++ b/packages/app/src/systems/Send/hooks/useSend.tsx
@@ -287,6 +287,7 @@ export function useSend() {
             regularTip,
             fastTip,
             maxGasLimit,
+            skipCustomFee,
           } = ctx;
           if (!providerUrl || !transactionRequest || !address) {
             throw new Error('Params are required');
@@ -302,7 +303,7 @@ export function useSend() {
               fastTip,
               maxGasLimit,
             },
-            skipCustomFee: true,
+            skipCustomFee,
           });
         },
       },
diff --git a/packages/app/src/systems/Send/machines/sendMachine.ts b/packages/app/src/systems/Send/machines/sendMachine.ts
index 7da036b12..1bf7b0e00 100644
--- a/packages/app/src/systems/Send/machines/sendMachine.ts
+++ b/packages/app/src/systems/Send/machines/sendMachine.ts
@@ -26,6 +26,7 @@ export type MachineContext = {
   maxGasLimit?: BN;
   input?: TxInputs['createTransfer'];
   error?: string;
+  skipCustomFee?: boolean;
 };
 
 type EstimateDefaultTipsReturn = {
@@ -43,6 +44,7 @@ type CreateTransactionReturn = {
   transactionRequest?: TransactionRequest;
   providerUrl: string;
   address: string;
+  skipCustomFee?: boolean;
 };
 
 type MachineServices = {
@@ -183,6 +185,7 @@ export const sendMachine = createMachine(
         address: ev.data.address,
         baseFee: ev.data.baseFee ?? ctx.baseFee,
         gasLimit: ev.data.gasLimit ?? ctx.gasLimit,
+        skipCustomFee: ev.data.skipCustomFee ?? ctx.skipCustomFee,
         error: undefined,
       })),
     },
diff --git a/packages/app/src/systems/Transaction/components/TxContent/TxContent.tsx b/packages/app/src/systems/Transaction/components/TxContent/TxContent.tsx
index c4ecc7dfe..9b41a0d39 100644
--- a/packages/app/src/systems/Transaction/components/TxContent/TxContent.tsx
+++ b/packages/app/src/systems/Transaction/components/TxContent/TxContent.tsx
@@ -97,6 +97,7 @@ export type TxContentInfoProps = {
     fastTip?: BN;
   };
   txRequest?: TransactionRequest;
+  skipCustomFee?: boolean;
 };
 
 function TxContentInfo({
@@ -109,6 +110,7 @@ function TxContentInfo({
   errors,
   fees,
   txRequest,
+  skipCustomFee,
 }: TxContentInfoProps) {
   const { getValues } = useFormContext<SendFormValues>();
 
@@ -116,6 +118,7 @@ function TxContentInfo({
   const hasErrors = Boolean(Object.keys(errors || {}).length);
   const isExecuted = !!tx?.id;
   const txRequestGasLimit = getGasLimitFromTxRequest(txRequest);
+  const shouldShowFees = !skipCustomFee && showDetails;
 
   const initialAdvanced = useMemo(() => {
     if (!fees?.regularTip || !fees?.fastTip) return false;
@@ -155,9 +158,9 @@ function TxContentInfo({
         status={status}
         isLoading={isLoading}
       />
-      {isLoading && !showDetails && <TxFee.Loader />}
-      {showDetails && !fees && <TxFee fee={tx?.fee} />}
-      {showDetails &&
+      {isLoading && !shouldShowFees && <TxFee.Loader />}
+      {shouldShowFees && !fees && <TxFee fee={tx?.fee} />}
+      {shouldShowFees &&
         fees?.baseFee &&
         txRequestGasLimit &&
         fees?.regularTip &&
diff --git a/packages/app/src/systems/Transaction/pages/TxApprove/TxApprove.tsx b/packages/app/src/systems/Transaction/pages/TxApprove/TxApprove.tsx
index 5c1b9104f..d8d10e95e 100644
--- a/packages/app/src/systems/Transaction/pages/TxApprove/TxApprove.tsx
+++ b/packages/app/src/systems/Transaction/pages/TxApprove/TxApprove.tsx
@@ -37,6 +37,7 @@ export const TxApprove = () => {
             isLoading={isLoading}
             errors={ctx.errors.simulateTxErrors}
             isConfirm
+            skipCustomFee={ctx.input.skipCustomFee}
           />
         )}
         {ctx.shouldShowTxExecuted && (
@@ -44,6 +45,7 @@ export const TxApprove = () => {
             showDetails
             tx={ctx.txSummaryExecuted}
             txStatus={ctx.executedStatus()}
+            skipCustomFee={ctx.input.skipCustomFee}
             footer={
               ctx.status('failed') && (
                 <Button
diff --git a/packages/app/src/systems/Transaction/services/transaction.tsx b/packages/app/src/systems/Transaction/services/transaction.tsx
index e15173744..413cc3ebf 100644
--- a/packages/app/src/systems/Transaction/services/transaction.tsx
+++ b/packages/app/src/systems/Transaction/services/transaction.tsx
@@ -186,6 +186,13 @@ export class TxService {
     tip: inputCustomTip,
     gasLimit: inputCustomGasLimit,
   }: TxInputs['simulateTransaction']) {
+    console.log('simulateTransaction', {
+      skipCustomFee,
+      inputTransactionRequest,
+      providerUrl,
+      inputCustomTip,
+      inputCustomGasLimit,
+    });
     const [provider, account] = await Promise.all([
       createProvider(providerUrl || ''),
       AccountService.getCurrentAccount(),
@@ -212,40 +219,40 @@ export class TxService {
       // debugger;
 
       const proposedTxRequest = clone(inputTransactionRequest);
-      // if (!skipCustomFee) {
-      //   // if the user has inputted a custom tip, we set it to the proposedTxRequest
-      //   if (inputCustomTip) {
-      //     proposedTxRequest.tip = inputCustomTip;
-      //   }
-      //   // if the user has inputted a custom gas Limit, we set it to the proposedTxRequest
-      //   if (inputCustomGasLimit) {
-      //     setGasLimitToTxRequest(proposedTxRequest, inputCustomGasLimit);
-      //   } else {
-      //     // if the user has not inputted a custom gas Limit, we increase the original one in 20% to avoid OutOfGas errors
-      //     setGasLimitToTxRequest(
-      //       proposedTxRequest,
-      //       initialGasLimit.mul(12).div(10)
-      //     );
-      //   }
-      //   const { maxFee } = await provider.estimateTxGasAndFee({
-      //     transactionRequest: proposedTxRequest,
-      //   });
-
-      //   // if the maxFee is greater than the initial maxFee, we set it to the new maxFee, and refund the transaction
-      //   if (maxFee.gt(initialMaxFee)) {
-      //     proposedTxRequest.maxFee = maxFee;
-      //     const txCost = await wallet.getTransactionCost(proposedTxRequest, {
-      //       estimateTxDependencies: true,
-      //     });
-      //     await wallet.fund(proposedTxRequest, {
-      //       estimatedPredicates: txCost.estimatedPredicates,
-      //       addedSignatures: txCost.addedSignatures,
-      //       gasPrice: txCost.gasPrice,
-      //       updateMaxFee: txCost.updateMaxFee,
-      //       requiredQuantities: [],
-      //     });
-      //   }
-      // }
+      if (!skipCustomFee) {
+        // if the user has inputted a custom tip, we set it to the proposedTxRequest
+        if (inputCustomTip) {
+          proposedTxRequest.tip = inputCustomTip;
+        }
+        // if the user has inputted a custom gas Limit, we set it to the proposedTxRequest
+        if (inputCustomGasLimit) {
+          setGasLimitToTxRequest(proposedTxRequest, inputCustomGasLimit);
+        } else {
+          // if the user has not inputted a custom gas Limit, we increase the original one in 20% to avoid OutOfGas errors
+          setGasLimitToTxRequest(
+            proposedTxRequest,
+            initialGasLimit.mul(12).div(10)
+          );
+        }
+        const { maxFee } = await provider.estimateTxGasAndFee({
+          transactionRequest: proposedTxRequest,
+        });
+
+        // if the maxFee is greater than the initial maxFee, we set it to the new maxFee, and refund the transaction
+        if (maxFee.gt(initialMaxFee)) {
+          proposedTxRequest.maxFee = maxFee;
+          const txCost = await wallet.getTransactionCost(proposedTxRequest, {
+            estimateTxDependencies: true,
+          });
+          await wallet.fund(proposedTxRequest, {
+            estimatedPredicates: txCost.estimatedPredicates,
+            addedSignatures: txCost.addedSignatures,
+            gasPrice: txCost.gasPrice,
+            updateMaxFee: txCost.updateMaxFee,
+            requiredQuantities: [],
+          });
+        }
+      }
 
       const transaction = proposedTxRequest.toTransaction();
       const abiMap = await getAbiMap({