diff --git a/src/js/controllers/amount.js b/src/js/controllers/amount.js
index c53d49061..e6913a2cb 100644
--- a/src/js/controllers/amount.js
+++ b/src/js/controllers/amount.js
@@ -365,7 +365,8 @@ function amountController(configService, $filter, gettextCatalog, $ionicHistory,
           vm.alternativeAmount = txFormatService.formatAmount(amountInSatoshis, true);
           vm.allowSend = lodash.isNumber(a)
             && a > 0
-            && (a >= vm.minAmount && a <= vm.maxAmount)
+            && (!vm.minAmount || a >= vm.minAmount)
+            && (!vm.maxAmount || a <= vm.maxAmount)
             && !vm.fundsAreInsufficient;
         } else {
           if (result) {
@@ -385,7 +386,8 @@ function amountController(configService, $filter, gettextCatalog, $ionicHistory,
         vm.alternativeAmount = $filter('formatFiatAmount')(toFiat(result));
         vm.allowSend = lodash.isNumber(result)
           && result > 0
-          && (result >= vm.minAmount && result <= vm.maxAmount)
+          && (!vm.minAmount || result >= vm.minAmount)
+          && (!vm.maxAmount || result <= vm.maxAmount)
           && !vm.fundsAreInsufficient;
       }
 
diff --git a/src/js/controllers/review.controller.js b/src/js/controllers/review.controller.js
index 49c4d51ab..73af91188 100644
--- a/src/js/controllers/review.controller.js
+++ b/src/js/controllers/review.controller.js
@@ -110,13 +110,14 @@ function reviewController(addressbookService, bitcoinCashJsService, bitcore, bit
   }
 
   vm.approve = function() {
+
     if (vm.thirdParty.id === 'shapeshift')
       return;
     if (!tx || !vm.originWallet) return;
 
-    if ($scope.paymentExpired) {
+    if (vm.paymentExpired) {
       popupService.showAlert(null, gettextCatalog.getString('This bitcoin payment request has expired.'));
-      $scope.sendStatus = '';
+      vm.sendStatus = '';
       $timeout(function() {
         $scope.$apply();
       });
@@ -445,6 +446,7 @@ function reviewController(addressbookService, bitcoinCashJsService, bitcore, bit
 
   function handleThirdPartyInitIfBip70() {
     if (vm.thirdParty.id === 'bip70') {
+      vm.sendingTitle = gettextCatalog.getString('You are paying');
       vm.memo = vm.thirdParty.memo;
       vm.memoExpanded = !!vm.memo;