diff --git a/src/js/services/profileService.js b/src/js/services/profileService.js
index 3c210bcbc..c40b3b1bb 100644
--- a/src/js/services/profileService.js
+++ b/src/js/services/profileService.js
@@ -619,6 +619,20 @@ angular.module('copayApp.services')
         return cb(gettext('Could not import. Check input file and spending password'));
       }
 
+      if (walletClient.hasPrivKeyEncrypted()) {
+        try {
+          walletClient.disablePrivateKeyEncryption();
+        } catch (e) {
+          $log.warn(e);
+        }
+      }
+
+      str = JSON.parse(str);
+
+      if (!str.n) {
+        return cb("Backup format not recognized. If you are using a Copay Beta backup and version is older than 0.10, please see: https://github.com/bitpay/copay/issues/4730#issuecomment-244522614");
+      }
+
       var addressBook = str.addressBook || {};
 
       addAndBindWalletClient(walletClient, {
diff --git a/src/js/services/rateService.js b/src/js/services/rateService.js
index be7f2e6ee..394c556b4 100644
--- a/src/js/services/rateService.js
+++ b/src/js/services/rateService.js
@@ -22,8 +22,6 @@ var RateService = function(opts) {
   self.UNAVAILABLE_ERROR = 'Service is not available - check for service.isAvailable() or use service.whenAvailable()';
   self.UNSUPPORTED_CURRENCY_ERROR = 'Currency not supported';
 
-  self._url = opts.url || 'https://insight.bitpay.com:443/api/rates';
-
   self._isAvailable = false;
   self._rates = {};
   self._alternatives = [];
@@ -82,39 +80,6 @@ RateService.prototype.getRate = function(code) {
   return this._rates[code];
 };
 
-RateService.prototype.getHistoricRate = function(code, date, cb) {
-  var self = this;
-
-  self.httprequest.get(self._url + '/' + code + '?ts=' + date)
-    .success(function(body) {
-      return cb(null, body.rate)
-    })
-    .error(function(err) {
-      return cb(err)
-    });
-
-};
-
-RateService.prototype.getHistoricRates = function(code, dates, cb) {
-  var self = this;
-
-  var tsList = dates.join(',');
-
-  self.httprequest.get(self._url + '/' + code + '?ts=' + tsList)
-    .success(function(body) {
-      if (!self.lodash.isArray(body)) {
-        body = [{
-          ts: dates[0],
-          rate: body.rate
-        }];
-      }
-      return cb(null, body);
-    })
-    .error(function(err) {
-      return cb(err)
-    });
-};
-
 RateService.prototype.getAlternatives = function() {
   return this._alternatives;
 };
@@ -139,15 +104,6 @@ RateService.prototype.toFiat = function(satoshis, code) {
   return satoshis * this.SAT_TO_BTC * this.getRate(code);
 };
 
-RateService.prototype.toFiatHistoric = function(satoshis, code, date, cb) {
-  var self = this;
-
-  self.getHistoricRate(code, date, function(err, rate) {
-    if (err) return cb(err);
-    return cb(null, satoshis * self.SAT_TO_BTC * rate);
-  });
-};
-
 RateService.prototype.fromFiat = function(amount, code) {
   if (!this.isAvailable()) {
     return null;