diff --git a/src/mobile/babelHelpersCopy b/src/mobile/babelHelpersCopy
new file mode 100644
index 0000000000..5947dd0a1b
--- /dev/null
+++ b/src/mobile/babelHelpersCopy
@@ -0,0 +1,278 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ *
+ * @providesModule babelHelpers
+ * @polyfill
+ * @nolint
+ */
+
+/* eslint-disable */
+
+// Created by running:
+// require('babel-core').buildExternalHelpers('_extends classCallCheck createClass createRawReactElement defineProperty get inherits  interopRequireDefault interopRequireWildcard objectWithoutProperties possibleConstructorReturn slicedToArray taggedTemplateLiteral toArray toConsumableArray '.split(' '))
+// then replacing the `global` reference in the last line to also use `this`.
+//
+// actually, that's a lie, because babel6 omits _extends and createRawReactElement
+
+var babelHelpers = global.babelHelpers = {};
+
+babelHelpers.typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
+  return typeof obj;
+} : function (obj) {
+  return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
+};
+
+babelHelpers.createRawReactElement = (function () {
+  var REACT_ELEMENT_TYPE = typeof Symbol === "function" && Symbol.for && Symbol.for("react.element") || 0xeac7;
+  return function createRawReactElement(type, key, props) {
+    return {
+      $$typeof: REACT_ELEMENT_TYPE,
+      type: type,
+      key: key,
+      ref: null,
+      props: props,
+      _owner: null
+    };
+  };
+})();
+
+babelHelpers.classCallCheck = function (instance, Constructor) {
+  if (!(instance instanceof Constructor)) {
+    throw new TypeError("Cannot call a class as a function");
+  }
+};
+
+babelHelpers.createClass = (function () {
+  function defineProperties(target, props) {
+    for (var i = 0; i < props.length; i++) {
+      var descriptor = props[i];
+      descriptor.enumerable = descriptor.enumerable || false;
+      descriptor.configurable = true;
+      if ("value" in descriptor) descriptor.writable = true;
+      Object.defineProperty(target, descriptor.key, descriptor);
+    }
+  }
+
+  return function (Constructor, protoProps, staticProps) {
+    if (protoProps) defineProperties(Constructor.prototype, protoProps);
+    if (staticProps) defineProperties(Constructor, staticProps);
+    return Constructor;
+  };
+})();
+
+babelHelpers.defineEnumerableProperties = function(obj, descs) {
+  for (var key in descs) {
+    var desc = descs[key];
+    desc.configurable = (desc.enumerable = true);
+    if ('value' in desc) desc.writable = true;
+    Object.defineProperty(obj, key, desc);
+  }
+  return obj;
+};
+
+babelHelpers.defineProperty = function (obj, key, value) {
+  if (key in obj) {
+    Object.defineProperty(obj, key, {
+      value: value,
+      enumerable: true,
+      configurable: true,
+      writable: true
+    });
+  } else {
+    obj[key] = value;
+  }
+
+  return obj;
+};
+
+babelHelpers._extends = babelHelpers.extends = Object.assign || function (target) {
+  for (var i = 1; i < arguments.length; i++) {
+    var source = arguments[i];
+
+    for (var key in source) {
+      if (Object.prototype.hasOwnProperty.call(source, key)) {
+        target[key] = source[key];
+      }
+    }
+  }
+
+  return target;
+};
+
+babelHelpers.get = function get(object, property, receiver) {
+  if (object === null) object = Function.prototype;
+  var desc = Object.getOwnPropertyDescriptor(object, property);
+
+  if (desc === undefined) {
+    var parent = Object.getPrototypeOf(object);
+
+    if (parent === null) {
+      return undefined;
+    } else {
+      return get(parent, property, receiver);
+    }
+  } else if ("value" in desc) {
+    return desc.value;
+  } else {
+    var getter = desc.get;
+
+    if (getter === undefined) {
+      return undefined;
+    }
+
+    return getter.call(receiver);
+  }
+};
+
+babelHelpers.inherits = function (subClass, superClass) {
+  if (typeof superClass !== "function" && superClass !== null) {
+    throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
+  }
+
+  subClass.prototype = Object.create(superClass && superClass.prototype, {
+    constructor: {
+      value: subClass,
+      enumerable: false,
+      writable: true,
+      configurable: true
+    }
+  });
+  if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
+};
+
+babelHelpers.interopRequireDefault = function (obj) {
+  return obj && obj.__esModule ? obj : {
+    default: obj
+  };
+};
+
+babelHelpers.interopRequireWildcard = function (obj) {
+  if (obj && obj.__esModule) {
+    return obj;
+  } else {
+    var newObj = {};
+
+    if (obj != null) {
+      for (var key in obj) {
+        if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key];
+      }
+    }
+
+    newObj.default = obj;
+    return newObj;
+  }
+};
+
+babelHelpers.objectWithoutProperties = function (obj, keys) {
+  var target = {};
+
+  for (var i in obj) {
+    if (keys.indexOf(i) >= 0) continue;
+    if (!Object.prototype.hasOwnProperty.call(obj, i)) continue;
+    target[i] = obj[i];
+  }
+
+  return target;
+};
+
+babelHelpers.possibleConstructorReturn = function (self, call) {
+  if (!self) {
+    throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
+  }
+
+  return call && (typeof call === "object" || typeof call === "function") ? call : self;
+};
+
+babelHelpers.slicedToArray = (function () {
+  function sliceIterator(arr, i) {
+    var _arr = [];
+    var _n = true;
+    var _d = false;
+    var _e = undefined;
+
+    try {
+      for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
+        _arr.push(_s.value);
+
+        if (i && _arr.length === i) break;
+      }
+    } catch (err) {
+      _d = true;
+      _e = err;
+    } finally {
+      try {
+        if (!_n && _i["return"]) _i["return"]();
+      } finally {
+        if (_d) throw _e;
+      }
+    }
+
+    return _arr;
+  }
+
+  return function (arr, i) {
+    if (Array.isArray(arr)) {
+      return arr;
+    } else if (Symbol.iterator in Object(arr)) {
+      return sliceIterator(arr, i);
+    } else {
+      throw new TypeError("Invalid attempt to destructure non-iterable instance");
+    }
+  };
+})();
+
+babelHelpers.taggedTemplateLiteral = function (strings, raw) {
+  return Object.freeze(Object.defineProperties(strings, {
+    raw: {
+      value: Object.freeze(raw)
+    }
+  }));
+};
+
+babelHelpers.toArray = function (arr) {
+  return Array.isArray(arr) ? arr : Array.from(arr);
+};
+
+babelHelpers.toConsumableArray = function (arr) {
+  if (Array.isArray(arr)) {
+    for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) arr2[i] = arr[i];
+
+    return arr2;
+  } else {
+    return Array.from(arr);
+  }
+};
+
+babelHelpers.asyncToGenerator = function (fn) {
+  return function () {
+    var gen = fn.apply(this, arguments);
+    return new Promise(function (resolve, reject) {
+      function step(key, arg) {
+        try {
+          var info = gen[key](arg);
+          var value = info.value;
+        } catch (error) {
+          reject(error);
+          return;
+        }
+
+        if (info.done) {
+          resolve(value);
+        } else {
+          return Promise.resolve(value).then(function (value) {
+            step("next", value);
+          }, function (err) {
+            step("throw", err);
+          });
+        }
+      }
+
+      return step("next");
+    });
+  };
+};
diff --git a/src/mobile/package.json b/src/mobile/package.json
index 4a6a753682..0c33218e48 100644
--- a/src/mobile/package.json
+++ b/src/mobile/package.json
@@ -11,7 +11,7 @@
     "ios": "./node_modules/.bin/react-native run-ios",
     "ios:dev": "cross-env NODE_ENV=development ./node_modules/.bin/react-native run-ios",
     "test": "./node_modules/.bin/jest --forceExit",
-    "postinstall": "./node_modules/.bin/rn-nodeify --hack --install && rm ./node_modules/react-native/local-cli/core/__fixtures__/files/package.json",
+    "postinstall": "./node_modules/.bin/rn-nodeify --hack --install && rm ./node_modules/react-native/local-cli/core/__fixtures__/files/package.json && rm ./node_modules/react-native/Libraries/polyfills/babelHelpers.js && cp babelHelpersCopy ./node_modules/react-native/Libraries/polyfills/babelHelpers.js",
     "lint": "./node_modules/.bin/eslint --ext .js .",
     "release": "yarn version && cd ios && fastlane release && cd ../android && fastlane release && cd .. && echo Successfully incremented version and build numbers ⬆️ ✅! Please remember to run git add ., git commit, git push --tags, and git push",
     "audit": "./../../node_modules/.bin/auditjs -l error -w whitelist.json",
diff --git a/src/shared/libs/crypto.js b/src/shared/libs/crypto.js
index 89ca356f81..6f72f5f47b 100644
--- a/src/shared/libs/crypto.js
+++ b/src/shared/libs/crypto.js
@@ -1,6 +1,6 @@
 import { MAX_SEED_LENGTH } from './iota/utils';
 
-export async function generateNewSeed(randomBytesFn) {
+export const generateNewSeed = async (randomBytesFn) => {
     const charset = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ9';
     let seed = '';
     while (seed.length < MAX_SEED_LENGTH) {
@@ -10,9 +10,9 @@ export async function generateNewSeed(randomBytesFn) {
         }
     }
     return seed;
-}
+};
 
-export async function randomiseSeedCharacter(seed, charId, randomBytesFn) {
+export const randomiseSeedCharacter = async (seed, charId, randomBytesFn) => {
     const charset = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ9';
     let updatedSeed = '';
     let complete = false;
@@ -24,4 +24,4 @@ export async function randomiseSeedCharacter(seed, charId, randomBytesFn) {
         }
     }
     return updatedSeed;
-}
+};