How to Fix Delta Executor App Not Installed Error (2025)
Delta Executor is undoubtedly one of the most popular Roblox mobile executors. However, like any app, it can sometimes display errors to users.
With the latest update, many Delta users have started facing a new issue that says:
“App not installed as app isn’t compatible with your phone.”
This frustrating error prevents users from installing or using Delta to run scripts on their favorite Roblox games.
Instead of fixing the issue, many users switch to other exploit apps — which can potentially get their Roblox accounts permanently banned.
If you’re a dedicated Delta user, don’t worry. We’ve created a guide to help you resolve the “App isn’t compatible with your phone” error.
Let’s jump right in:
How to Fix “App Not Installed as App Isn’t Compatible With Your Phone” on Delta Executor
Follow the steps below to fix the compatibility error when installing Delta Executor:
Download APK Editor
First, download the APK Editor app.
⚠️ This app is not available on the Google Play Store. You can download it from our Telegram group.
Once downloaded, install it on your Android device.
Launch APK Editor
- Open APK Editor after installation.
- Tap on “APK File” from the main screen.

Locate the Delta APK File
- Find and select the Delta Executor APK file you’re trying to install.
- A menu will appear — choose “Common Edit.”

Change Installation Settings
- Tap on the drop-down icon next to the “Install Location” option.

- Choose “Auto (OS make decision)” from the list.

- Then, tap the “Save” button.
Install the Modified APK
- After saving, you’ll get the option to Install the updated APK.

- Tap Install and check if the error is resolved.
Optional Fix: Use ‘Prefex External’ Setting
If you’re still seeing the same error:
- Open APK Editor again.
- Go back to the drop-down icon and choose “Prefex External” instead of Auto.

- Tap Install again and check if the issue is fixed.
That’s everything you need to know to fix the “App not installed as app isn’t compatible with your phone” error when installing Delta Executor from delta-executor.ltd.