diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 2e3328d7e6..8c819810eb 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -110,7 +110,7 @@ deploy_beta_testflight:
   except:
     - tags
   script:
-    - bash buildbox/deploy-telegram.sh appstore
+    - PYTHONPATH="$PYTHONPATH:/darwin-containers" python3 -u build-system/Make/Make.py remote-deploy-testflight --darwinContainersHost="http://host.docker.internal:8650" --ipa="build/artifacts/Telegram.ipa" --dsyms="build/artifacts/Telegram.DSYMs.zip"
   environment:
     name: testflight_llc
 
@@ -124,7 +124,10 @@ verifysanity_beta_testflight:
   except:
     - tags
   script:
-    - bash buildbox/verify-telegram.sh appstore cached
+    - rm -rf build/verify-input && mkdir -p build/verify-input && mv build/artifacts/Telegram.ipa build/verify-input/TelegramVerifySource.ipa
+    - PYTHONPATH="$PYTHONPATH:/darwin-containers" DARWIN_CONTAINERS_HOST="http://host.docker.internal:8650" python3 -u build-system/Make/Make.py remote-build --darwinContainersHost="$DARWIN_CONTAINERS_HOST" --cacheHost="$TELEGRAM_BAZEL_CACHE_HOST" --configurationPath="build-system/appstore-configuration.json" --codesigningInformationPath=build-system/fake-codesigning --configuration=release_arm64
+    - python3 tools/ipadiff.py build/artifacts/Telegram.ipa build/verify-input/TelegramVerifySource.ipa
+    - if [ $? -ne 0 ]; then; echo "Verification failed"; mkdir -p build/verifysanity_artifacts; cp build/artifacts/Telegram.ipa build/verifysanity_artifacts/; fi
   environment:
     name: testflight_llc
   artifacts:
@@ -143,7 +146,10 @@ verify_beta_testflight:
   except:
     - tags
   script:
-    - bash buildbox/verify-telegram.sh appstore full
+    - rm -rf build/verify-input && mkdir -p build/verify-input && mv build/artifacts/Telegram.ipa build/verify-input/TelegramVerifySource.ipa
+    - PYTHONPATH="$PYTHONPATH:/darwin-containers" DARWIN_CONTAINERS_HOST="http://host.docker.internal:8650" python3 -u build-system/Make/Make.py remote-build --darwinContainersHost="$DARWIN_CONTAINERS_HOST" --configurationPath="build-system/appstore-configuration.json" --codesigningInformationPath=build-system/fake-codesigning --configuration=release_arm64
+    - python3 tools/ipadiff.py build/artifacts/Telegram.ipa build/verify-input/TelegramVerifySource.ipa
+    - if [ $? -ne 0 ]; then; echo "Verification failed"; mkdir -p build/verify_artifacts; cp build/artifacts/Telegram.ipa build/verify_artifacts/; fi
   environment:
     name: testflight_llc
   artifacts:
diff --git a/build-system/Make/DeployToAppStoreConnect.py b/build-system/Make/DeployToAppStoreConnect.py
deleted file mode 100644
index 83fd892729..0000000000
--- a/build-system/Make/DeployToAppStoreConnect.py
+++ /dev/null
@@ -1,62 +0,0 @@
-import os
-import sys
-import argparse
-import json
-
-from BuildEnvironment import check_run_system
-
-def deploy_to_appstore_connect(args):
-    if not os.path.exists(args.configuration):
-        print('{} does not exist'.format(args.configuration))
-        sys.exit(1)
-    if not os.path.exists(args.ipa):
-        print('{} does not exist'.format(args.ipa))
-        sys.exit(1)
-
-    with open(args.configuration) as file:
-        configuration_dict = json.load(file)
-        required_keys = [
-            'username',
-            'app_name',
-            'api_token',
-        ]
-        for key in required_keys:
-            if key not in configuration_dict:
-                print('Configuration at {} does not contain {}'.format(args.configuration, key))
-
-        check_run_system('appcenter login --token {token}'.format(token=configuration_dict['api_token']))
-        check_run_system('appcenter distribute release --app "{username}/{app_name}" -f "{ipa_path}" -g Internal'.format(
-            username=configuration_dict['username'],
-            app_name=configuration_dict['app_name'],
-            ipa_path=args.ipa,
-
-        ))
-        if args.dsyms is not None:
-            check_run_system('appcenter crashes upload-symbols --app "{username}/{app_name}" --symbol "{dsym_path}"'.format(
-                username=configuration_dict['username'],
-                app_name=configuration_dict['app_name'],
-                dsym_path=args.dsyms
-            ))
-
-
-if __name__ == '__main__':
-    parser = argparse.ArgumentParser(prog='deploy-appstore-connect')
-
-    parser.add_argument(
-        '--configuration',
-        required=True,
-        help='Path to configuration json.'
-    )
-    parser.add_argument(
-        '--ipa',
-        required=True,
-        help='Path to IPA.'
-    )
-
-    if len(sys.argv) < 2:
-        parser.print_help()
-        sys.exit(1)
-
-    args = parser.parse_args()
-
-    deploy_to_appstore_connect(args)
diff --git a/build-system/Make/ImportCertificates.py b/build-system/Make/ImportCertificates.py
index c449fe4b5e..46deaa7727 100644
--- a/build-system/Make/ImportCertificates.py
+++ b/build-system/Make/ImportCertificates.py
@@ -52,7 +52,7 @@ def import_certificates(certificatesPath):
                 '/usr/bin/codesign',
                 '-T',
                 '/usr/bin/security'
-            ], check_result=True)
+            ], check_result=False)
 
     run_executable_with_output('security', arguments=[
         'import',
@@ -65,7 +65,7 @@ def import_certificates(certificatesPath):
         '/usr/bin/codesign',
         '-T',
         '/usr/bin/security'
-    ], check_result=True)
+    ], check_result=False)
 
     run_executable_with_output('security', arguments=[
         'set-key-partition-list',
diff --git a/build-system/Make/Make.py b/build-system/Make/Make.py
index d07e1932d6..c763fabb86 100644
--- a/build-system/Make/Make.py
+++ b/build-system/Make/Make.py
@@ -891,6 +891,26 @@ if __name__ == '__main__':
         help='Bazel remote cache host address.'
     )
 
+    remote_upload_testflight_parser = subparsers.add_parser('remote-deploy-testflight', help='Build the app using a remote environment.')
+    remote_upload_testflight_parser.add_argument(
+        '--darwinContainersHost',
+        required=True,
+        type=str,
+        help='DarwinContainers host address.'
+    )
+    remote_upload_testflight_parser.add_argument(
+        '--ipa',
+        required=True,
+        type=str,
+        help='Path to IPA file.'
+    )
+    remote_upload_testflight_parser.add_argument(
+        '--dsyms',
+        required=True,
+        type=str,
+        help='Path to DSYMs.zip file.'
+    )
+
     if len(sys.argv) < 2:
         parser.print_help()
         sys.exit(1)
@@ -901,7 +921,7 @@ if __name__ == '__main__':
         print(args)
 
     if args.commandName is None:
-        exit(0)
+        sys.exit(0)
 
     bazel_path = None
     if args.bazel is None:
@@ -940,6 +960,22 @@ if __name__ == '__main__':
                 configuration=args.configuration,
                 build_input_data_path=remote_input_path
             )
+        elif args.commandName == 'remote-deploy-testflight':
+            env = os.environ
+            if 'APPSTORE_CONNECT_USERNAME' not in env:
+                print('APPSTORE_CONNECT_USERNAME environment variable is not set')
+                sys.exit(1)
+            if 'APPSTORE_CONNECT_PASSWORD' not in env:
+                print('APPSTORE_CONNECT_PASSWORD environment variable is not set')
+                sys.exit(1)
+
+            RemoteBuild.remote_deploy_testflight(
+                darwin_containers_host=args.darwinContainersHost,
+                ipa_path=args.ipa,
+                dsyms_path=args.dsyms,
+                username=env['APPSTORE_CONNECT_USERNAME'],
+                password=env['APPSTORE_CONNECT_PASSWORD']
+            )
         elif args.commandName == 'test':
             test(bazel=bazel_path, arguments=args)
         else:
diff --git a/build-system/Make/RemoteBuild.py b/build-system/Make/RemoteBuild.py
index a9b39a0681..9678e66dba 100644
--- a/build-system/Make/RemoteBuild.py
+++ b/build-system/Make/RemoteBuild.py
@@ -139,3 +139,49 @@ def remote_build(darwin_containers_host, bazel_cache_host, configuration, build_
         else:
             print('Telegram.ipa not found')
             sys.exit(1)
+
+def remote_deploy_testflight(darwin_containers_host, ipa_path, dsyms_path, username, password):
+    macos_version = '12.5'
+
+    from darwin_containers import DarwinContainers
+
+    base_dir = os.getcwd()
+
+    configuration_path = 'versions.json'
+    xcode_version = ''
+    with open(configuration_path) as file:
+        configuration_dict = json.load(file)
+        if configuration_dict['xcode'] is None:
+            raise Exception('Missing xcode version in {}'.format(configuration_path))
+        xcode_version = configuration_dict['xcode']
+
+    print('Xcode version: {}'.format(xcode_version))
+
+    image_name = 'macos-{macos_version}-xcode-{xcode_version}'.format(macos_version=macos_version, xcode_version=xcode_version)
+
+    print('Image name: {}'.format(image_name))
+
+    darwinContainers = DarwinContainers(serverAddress=darwin_containers_host, verbose=False)
+
+    print('Opening container session...')
+    with darwinContainers.workingImageSession(name=image_name) as session:
+        print('Uploading data to container...')
+        session_scp_upload(session=session, source_path=ipa_path, destination_path='')
+        session_scp_upload(session=session, source_path=dsyms_path, destination_path='')
+
+        guest_upload_sh = '''
+            set -e
+
+            export DELIVER_ITMSTRANSPORTER_ADDITIONAL_UPLOAD_PARAMETERS="-t DAV"
+            FASTLANE_PASSWORD="{password}" xcrun altool --upload-app --type ios --file "Telegram.ipa" --username "{username}" --password "@env:FASTLANE_PASSWORD"
+        '''.format(username=username, password=password)
+
+        guest_upload_file_path = tempfile.mktemp()
+        with open(guest_upload_file_path, 'w+') as file:
+            file.write(guest_upload_sh)
+        session_scp_upload(session=session, source_path=guest_upload_file_path, destination_path='guest-upload-telegram.sh')
+        os.unlink(guest_upload_file_path)
+
+        print('Executing remote upload...')
+        session_ssh(session=session, command='bash -l guest-upload-telegram.sh')
+