diff --git a/app/src/main/java/com/tangem/tap/common/extensions/Context.kt b/app/src/main/java/com/tangem/tap/common/extensions/Context.kt
new file mode 100644
index 0000000000..60345e1ab7
--- /dev/null
+++ b/app/src/main/java/com/tangem/tap/common/extensions/Context.kt
@@ -0,0 +1,16 @@
+package com.tangem.tap.common.extensions
+
+import android.content.Context
+
+fun Context.readFile(fileName: String): String =
+    this.openFileInput(fileName).bufferedReader().readText()
+
+fun Context.rewriteFile(content: String, fileName: String) {
+    this.openFileOutput(fileName, Context.MODE_PRIVATE).use {
+        it.write(content.toByteArray(), 0, content.length)
+    }
+}
+
+fun Context.readAssetAsString(fileName: String): String {
+    return this.assets.open("$fileName.json").bufferedReader().readText()
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/tangem/tap/domain/configurable/config/ConfigLoaders.kt b/app/src/main/java/com/tangem/tap/domain/configurable/config/ConfigLoaders.kt
index a47e8fec1c..4c19bab889 100644
--- a/app/src/main/java/com/tangem/tap/domain/configurable/config/ConfigLoaders.kt
+++ b/app/src/main/java/com/tangem/tap/domain/configurable/config/ConfigLoaders.kt
@@ -6,6 +6,7 @@ import com.google.firebase.remoteconfig.ktx.remoteConfig
 import com.squareup.moshi.JsonAdapter
 import com.squareup.moshi.Moshi
 import com.tangem.tap.common.analytics.FirebaseAnalyticsHandler
+import com.tangem.tap.common.extensions.readAssetAsString
 import com.tangem.tap.domain.configurable.Loader
 import timber.log.Timber
 
@@ -22,8 +23,8 @@ class FeaturesLocalLoader(
             val featureAdapter: JsonAdapter<FeatureModel> = moshi.adapter(FeatureModel::class.java)
             val valuesAdapter: JsonAdapter<ConfigValueModel> = moshi.adapter(ConfigValueModel::class.java)
 
-            val jsonFeatures = readAssetAsString(Loader.featuresName)
-            val jsonConfigValues = readAssetAsString(Loader.configValuesName)
+            val jsonFeatures = context.readAssetAsString(Loader.featuresName)
+            val jsonConfigValues = context.readAssetAsString(Loader.configValuesName)
 
             ConfigModel(featureAdapter.fromJson(jsonFeatures), valuesAdapter.fromJson(jsonConfigValues))
         } catch (ex: Exception) {
@@ -32,10 +33,6 @@ class FeaturesLocalLoader(
         }
         onComplete(config)
     }
-
-    private fun readAssetAsString(fileName: String): String {
-        return context.assets.open("$fileName.json").bufferedReader().readText()
-    }
 }
 
 class FeaturesRemoteLoader(
diff --git a/app/src/main/java/com/tangem/tap/domain/twins/CreateSecondTwinWalletTask.kt b/app/src/main/java/com/tangem/tap/domain/twins/CreateSecondTwinWalletTask.kt
index 69b8426358..8224293d18 100644
--- a/app/src/main/java/com/tangem/tap/domain/twins/CreateSecondTwinWalletTask.kt
+++ b/app/src/main/java/com/tangem/tap/domain/twins/CreateSecondTwinWalletTask.kt
@@ -54,7 +54,7 @@ class CreateSecondTwinWalletTask(
                     session.environment.card = session.environment.card?.changeStatusToLoaded()
 
                     WriteProtectedIssuerDataTask(
-                            firstPublicKey.hexToBytes(), TwinCardsManager.issuerKeys
+                            firstPublicKey.hexToBytes(), issuerKeys
                     ).run(session) { writeResult ->
                         when (writeResult) {
                             is CompletionResult.Success -> callback(result)
diff --git a/app/src/main/java/com/tangem/tap/features/details/redux/DetailsAction.kt b/app/src/main/java/com/tangem/tap/features/details/redux/DetailsAction.kt
index f37ef1c696..756d836287 100644
--- a/app/src/main/java/com/tangem/tap/features/details/redux/DetailsAction.kt
+++ b/app/src/main/java/com/tangem/tap/features/details/redux/DetailsAction.kt
@@ -1,5 +1,6 @@
 package com.tangem.tap.features.details.redux
 
+import android.content.Context
 import com.tangem.Message
 import com.tangem.blockchain.common.Wallet
 import com.tangem.commands.common.card.Card
@@ -62,7 +63,9 @@ sealed class DetailsAction : Action {
             object Confirm : CreateTwinWalletAction()
         }
 
-        data class LaunchFirstStep(val message: Message) : CreateTwinWalletAction() {
+        data class LaunchFirstStep(
+            val message: Message, val context: Context
+        ) : CreateTwinWalletAction() {
             object Success : CreateTwinWalletAction()
             object Failure : CreateTwinWalletAction()
         }
diff --git a/app/src/main/java/com/tangem/tap/features/details/redux/twins/CreateTwinWalletMiddleware.kt b/app/src/main/java/com/tangem/tap/features/details/redux/twins/CreateTwinWalletMiddleware.kt
index e99f7c7ad6..fa81ea9a18 100644
--- a/app/src/main/java/com/tangem/tap/features/details/redux/twins/CreateTwinWalletMiddleware.kt
+++ b/app/src/main/java/com/tangem/tap/features/details/redux/twins/CreateTwinWalletMiddleware.kt
@@ -49,7 +49,7 @@ class CreateTwinWalletMiddleware {
             }
             is DetailsAction.CreateTwinWalletAction.LaunchFirstStep -> {
                 store.state.globalState.scanNoteResponse?.let {
-                    twinsManager = TwinCardsManager(it)
+                    twinsManager = TwinCardsManager(it, action.context)
                 }
                 scope.launch {
                     val result = twinsManager?.createFirstWallet(action.message)
diff --git a/app/src/main/java/com/tangem/tap/features/details/ui/twins/CreateTwinWalletFragment.kt b/app/src/main/java/com/tangem/tap/features/details/ui/twins/CreateTwinWalletFragment.kt
index 50d87de052..f8a09c7131 100644
--- a/app/src/main/java/com/tangem/tap/features/details/ui/twins/CreateTwinWalletFragment.kt
+++ b/app/src/main/java/com/tangem/tap/features/details/ui/twins/CreateTwinWalletFragment.kt
@@ -97,11 +97,12 @@ class CreateTwinWalletFragment : Fragment(R.layout.fragment_details_twin_cards),
                 v_step_3.setBackgroundColor(defaultColor)
                 btn_tap.setOnClickListener {
                     store.dispatch(DetailsAction.CreateTwinWalletAction.LaunchFirstStep(
-                            Message(getString(
-                                    R.string.details_twins_recreate_title_format,
-                                    twinCardNumberString
-                            )
-                            )))
+                        Message(getString(
+                            R.string.details_twins_recreate_title_format,
+                            twinCardNumberString
+                        )),
+                        requireContext()
+                    ))
                 }
                 btn_tap.text = getString(R.string.details_twins_recreate_button_format,
                         twinCardNumber.number.toString())