diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
index 95099c1..19a2f12 100644
--- a/.github/workflows/python.yml
+++ b/.github/workflows/python.yml
@@ -14,10 +14,10 @@ jobs:
     steps:
     - uses: actions/checkout@v2
       
-    - name: Set up Python 3.9
-      uses: actions/setup-python@v2
+    - name: Set up Python 3.8
+      uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.8
       
     - name: Install dependencies
       run: |
@@ -42,7 +42,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v4
       with:
-        python-version: 3.9
+        python-version: 3.8
 
     - name: Install dependencies
       run: |
diff --git a/tidevice3/api.py b/tidevice3/api.py
index 5ef9fef..3bb44d4 100644
--- a/tidevice3/api.py
+++ b/tidevice3/api.py
@@ -3,6 +3,7 @@
 
 import datetime
 import io
+import os
 from typing import Iterator, Optional
 
 import requests
@@ -14,9 +15,11 @@
 from pymobiledevice3.services.dvt.dvt_secure_socket_proxy import DvtSecureSocketProxyService
 from pymobiledevice3.services.dvt.instruments.device_info import DeviceInfo
 from pymobiledevice3.services.dvt.instruments.screenshot import Screenshot
+from pymobiledevice3.services.installation_proxy import InstallationProxyService
 from pymobiledevice3.services.screenshot import ScreenshotService
 
 from tidevice3.exceptions import FatalError
+from tidevice3.utils.download import download_file, is_hyperlink
 
 
 class DeviceShortInfo(BaseModel):
@@ -123,4 +126,14 @@ def proclist(service_provider: LockdownClient) -> Iterator[ProcessInfo]:
         for process in processes:
             if 'startDate' in process:
                 process['startDate'] = str(process['startDate'])
-                yield ProcessInfo.model_validate(process)
\ No newline at end of file
+                yield ProcessInfo.model_validate(process)
+
+
+def app_install(service_provider: LockdownClient, path_or_url: str):
+    if is_hyperlink(path_or_url):
+        ipa_path = download_file(path_or_url)
+    elif os.path.isfile(path_or_url):
+        ipa_path = path_or_url
+    else:
+        raise ValueError("local file not found", path_or_url)
+    InstallationProxyService(lockdown=service_provider).install_from_local(ipa_path)
\ No newline at end of file
diff --git a/tidevice3/cli/app.py b/tidevice3/cli/app.py
index beca2c0..204ca1b 100644
--- a/tidevice3/cli/app.py
+++ b/tidevice3/cli/app.py
@@ -15,15 +15,13 @@
 from pymobiledevice3.cli.cli_common import print_json
 from pymobiledevice3.lockdown import LockdownClient
 from pymobiledevice3.services.dvt.dvt_secure_socket_proxy import DvtSecureSocketProxyService
-from pymobiledevice3.services.dvt.instruments.device_info import DeviceInfo
 from pymobiledevice3.services.dvt.instruments.process_control import ProcessControl
 from pymobiledevice3.services.installation_proxy import InstallationProxyService
 
-from tidevice3.api import proclist
+from tidevice3.api import app_install, proclist
 from tidevice3.cli.cli_common import cli, pass_rsd, pass_service_provider
 from tidevice3.exceptions import FatalError
 from tidevice3.utils.common import print_dict_as_table
-from tidevice3.utils.download import download_file, is_hyperlink
 
 logger = logging.getLogger(__name__)
 
@@ -36,15 +34,9 @@ def app():
 @app.command("install")
 @click.argument("path_or_url")
 @pass_service_provider
-def app_install(service_provider: LockdownClient, path_or_url: str):
+def cli_app_install(service_provider: LockdownClient, path_or_url: str):
     """install given .ipa or url"""
-    if is_hyperlink(path_or_url):
-        ipa_path = download_file(path_or_url)
-    elif os.path.isfile(path_or_url):
-        ipa_path = path_or_url
-    else:
-        raise ValueError("local file not found", path_or_url)
-    InstallationProxyService(lockdown=service_provider).install_from_local(ipa_path)
+    app_install(service_provider, path_or_url)
 
 
 @app.command("list")
diff --git a/tidevice3/cli/cli_common.py b/tidevice3/cli/cli_common.py
index 9fc9549..8f8d5be 100644
--- a/tidevice3/cli/cli_common.py
+++ b/tidevice3/cli/cli_common.py
@@ -56,6 +56,6 @@ def new_func(ctx, *args, **kwargs):
     return update_wrapper(new_func, func)
 
 
-CLI_GROUPS = ["list", "developer", "screenshot", "screenrecord", "fsync", "app", "reboot", "tunneld", "runwda", "exec"]
+CLI_GROUPS = ["list", "info", "developer", "screenshot", "screenrecord", "install", "fsync", "app", "reboot", "tunneld", "runwda", "exec"]
 for group in CLI_GROUPS:
     __import__(f"tidevice3.cli.{group}")
diff --git a/tidevice3/cli/info.py b/tidevice3/cli/info.py
new file mode 100644
index 0000000..5374852
--- /dev/null
+++ b/tidevice3/cli/info.py
@@ -0,0 +1,18 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+"""Created on Tue Feb 27 2024 10:38:24 by codeskyblue
+"""
+
+from pymobiledevice3.cli.cli_common import print_json
+from pymobiledevice3.lockdown import LockdownClient
+
+from tidevice3.cli.cli_common import cli, pass_service_provider
+
+
+@cli.command("info")
+@pass_service_provider
+def info(service_provider: LockdownClient):
+    """ print device info """
+    print_json(service_provider.short_info)
+
diff --git a/tidevice3/cli/install.py b/tidevice3/cli/install.py
new file mode 100644
index 0000000..4864543
--- /dev/null
+++ b/tidevice3/cli/install.py
@@ -0,0 +1,19 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+"""Created on Tue Feb 27 2024 10:05:20 by codeskyblue
+"""
+
+import click
+from pymobiledevice3.lockdown import LockdownClient
+
+from tidevice3.api import app_install
+from tidevice3.cli.cli_common import cli, pass_rsd, pass_service_provider
+
+
+@cli.command("install")
+@click.argument("path_or_url")
+@pass_service_provider
+def cli_install(service_provider: LockdownClient, path_or_url: str):
+    """install given .ipa or url, alias for app install"""
+    app_install(service_provider, path_or_url)