diff --git a/app/code/community/RicardoMartins/PagSeguro/Helper/Data.php b/app/code/community/RicardoMartins/PagSeguro/Helper/Data.php
index ba16f5a5..6dfc6c45 100644
--- a/app/code/community/RicardoMartins/PagSeguro/Helper/Data.php
+++ b/app/code/community/RicardoMartins/PagSeguro/Helper/Data.php
@@ -667,11 +667,14 @@ public function getMaxInstallmentsNoInterest($amount)
         $freeAmt = Mage::getStoreConfig(
             self::XML_PATH_PAYMENT_PAGSEGURO_CC_INSTALLMENT_FREE_INTEREST_MINIMUM_AMT
         );
-        $selectedMaxInstallmentNoInterest = $freeAmt === 0 ? : '';
-        if ($freeAmt > 0) {
-            $selectedMaxInstallmentNoInterest = $amount / $freeAmt;
-            $selectedMaxInstallmentNoInterest = (int)floor($selectedMaxInstallmentNoInterest);
+        
+        if (!$freeAmt || $freeAmt <= 0) {
+            return false;
         }
-        return $selectedMaxInstallmentNoInterest;
+        
+        $selectedMaxInstallmentNoInterest = $amount / $freeAmt;
+        $selectedMaxInstallmentNoInterest = (int)floor($selectedMaxInstallmentNoInterest);
+        
+        return ($selectedMaxInstallmentNoInterest > 1) ? $selectedMaxInstallmentNoInterest : false; //prevents 0 or 1
     }
 }
\ No newline at end of file
diff --git a/app/code/community/RicardoMartins/PagSeguro/Helper/Params.php b/app/code/community/RicardoMartins/PagSeguro/Helper/Params.php
index 2d802c4a..23b55282 100644
--- a/app/code/community/RicardoMartins/PagSeguro/Helper/Params.php
+++ b/app/code/community/RicardoMartins/PagSeguro/Helper/Params.php
@@ -159,7 +159,7 @@ public function getCreditCardInstallmentsParams(Mage_Sales_Model_Order $order, $
                 isset($cardData["installments_qty"]) && 
                 isset($cardData["installments_value"]) )
             {
-                return array
+                $return = array
                 (
                     'installmentQuantity' => $cardData["installments_qty"],
                     'installmentValue'    => $cardData["installments_value"],
@@ -170,7 +170,7 @@ public function getCreditCardInstallmentsParams(Mage_Sales_Model_Order $order, $
         {
             if ($payment->getAdditionalInformation('installment_quantity')
                 && $payment->getAdditionalInformation('installment_value')) {
-                return array
+                $return = array
                 (
                     'installmentQuantity'   => $payment->getAdditionalInformation('installment_quantity'),
                     'installmentValue'      => number_format(
@@ -180,11 +180,12 @@ public function getCreditCardInstallmentsParams(Mage_Sales_Model_Order $order, $
             }
         }
 
-        return array
-        (
-            'installmentQuantity'   => '1',
-            'installmentValue'      => number_format($order->getGrandTotal(), 2, '.', ''),
-        );
+        $maxInstallmentsNoInterest = Mage::helper('ricardomartins_pagseguro')
+            ->getMaxInstallmentsNoInterest($order->getGrandTotal());
+        
+        if ($maxInstallmentsNoInterest !== false) {
+            $return['noInterestInstallmentQuantity'] = $maxInstallmentsNoInterest;
+        }
 
         return $return;
     }
diff --git a/app/code/community/RicardoMartins/PagSeguro/Model/Abstract.php b/app/code/community/RicardoMartins/PagSeguro/Model/Abstract.php
index b117deae..3da22a3e 100644
--- a/app/code/community/RicardoMartins/PagSeguro/Model/Abstract.php
+++ b/app/code/community/RicardoMartins/PagSeguro/Model/Abstract.php
@@ -727,6 +727,13 @@ protected function _cancelOrder($payment, $notification)
 
         if($orderCancellation->getShouldCancel())
         {
+            // checks if the order state is 'Pending Payment' and changes it
+            // so that the order can be cancelled. Orders with STATE_PAYMENT_REVIEW cannot be cancelled by default in
+            // Magento. See #181550828 for details
+            if ($order->getState() == Mage_Sales_Model_Order::STATE_PAYMENT_REVIEW) {
+                $order->setState(Mage_Sales_Model_Order::STATE_NEW);
+            }
+
             $order->cancel();
         }
     }
diff --git a/app/code/community/RicardoMartins/PagSeguro/etc/config.xml b/app/code/community/RicardoMartins/PagSeguro/etc/config.xml
index bf21155a..db6d3bbb 100644
--- a/app/code/community/RicardoMartins/PagSeguro/etc/config.xml
+++ b/app/code/community/RicardoMartins/PagSeguro/etc/config.xml
@@ -2,7 +2,7 @@
 <config>
     <modules>
         <RicardoMartins_PagSeguro>
-            <version>3.15.0</version>
+            <version>3.15.1</version>
         </RicardoMartins_PagSeguro>
     </modules>
     <global>
diff --git a/app/code/community/RicardoMartins/PagSeguro/etc/system.xml b/app/code/community/RicardoMartins/PagSeguro/etc/system.xml
index 4ef63ffb..c1ebdf35 100644
--- a/app/code/community/RicardoMartins/PagSeguro/etc/system.xml
+++ b/app/code/community/RicardoMartins/PagSeguro/etc/system.xml
@@ -442,10 +442,10 @@
                             <show_in_website>1</show_in_website>
                             <show_in_store>1</show_in_store>
                             <tooltip><![CDATA[
-                            Esta configuração permite especificar qual um valor mínimo de parcela onde o vendedor (você) assume os juros. Ao colocar o valor 10 neste campo, um pedido de R$ 100 poderá ser parcelado em até 10x sem juros.
+                            Esta configuração permite especificar qual um valor mínimo de parcela onde o vendedor (você) assume os juros. Ao colocar o valor 50 neste campo, um pedido de R$ 500 poderá ser parcelado em até 5x de R$50 sem juros.
                             ]]></tooltip>
                             <validate>validate-number validate-not-negative-number</validate>
-                            <comment><![CDATA[Ao especificar um valor, as configurações de promoções feitas em seu painel PagSeguro serão ignoradas. <a href="//bit.ly/34927gh" target="_blank">Saiba mais.</a>]]></comment>
+                            <comment><![CDATA[Ao especificar um valor, você <strong>DEVE</strong> desativar ou remover qualquer <a href="//minhaconta.pagseguro.uol.com.br/meu-negocio/promocoes-salvas" target="_blank">promoção salva no seu painel PagSeguro</a>. <a href="//bit.ly/34927gh" target="_blank">Saiba mais.</a>]]></comment>
                         </installment_free_interest_minimum_amt>
                         <installments_product>
                             <label>Exibir parcelas na página de produto?</label>
diff --git a/js/pagseguro/pagseguro.js b/js/pagseguro/pagseguro.js
index b73ac16c..e23a80a1 100644
--- a/js/pagseguro/pagseguro.js
+++ b/js/pagseguro/pagseguro.js
@@ -87,6 +87,7 @@ RMPagSeguro = Class.create({
         if (RMPagSeguroObj.config.installment_free_interest_minimum_amt > 0) {
             maxInstallmentNoInterest = grandTotal / RMPagSeguroObj.config.installment_free_interest_minimum_amt;
             maxInstallmentNoInterest = Math.floor(maxInstallmentNoInterest);
+            maxInstallmentNoInterest = (maxInstallmentNoInterest > 1) ? maxInstallmentNoInterest : '';
         }
         PagSeguroDirectPayment.getInstallments({
             amount: grandTotal,
@@ -1331,6 +1332,7 @@ RMPagSeguro_Multicc_CardForm = Class.create
         if (this.config.installment_free_interest_minimum_amt > 0) {
             maxInstallmentNoInterest = this.getCardData("total").toFixed(2) / this.config.installment_free_interest_minimum_amt;
             maxInstallmentNoInterest = Math.floor(maxInstallmentNoInterest);
+            maxInstallmentNoInterest = (maxInstallmentNoInterest > 1) ? maxInstallmentNoInterest : '';
         }
 
         var params =