Delta is arguably one of the best Roblox Executors for iOS devices (iPhone/iPad). Regardless of which executor you use to run Roblox scripts, you tend to face issues and errors.
Delta iOS Executor is no different.
Sometimes, Delta iOS users get an error message that reads, “Unable to install “Delta.” This app cannot be installed because its integrity could not be verified”.
Unfortunately, many players don’t know what leads to this Delta Executor error on iOS. If you, too, are one of those users, then don’t worry because we have got you covered.
In this post, we will not only unveil the reason that causes the ‘Unable to Install Delta‘ error on iPhone or iPad but also explain all possible ways to resolve it.
Without any further ado, let’s get started:
Why Am I Getting ‘Unable to Install Delta’ Error on iPhone or iPad?
There are two main reasons that can lead to ‘Unable to install Delta’ on iPhone or iPad:
Your ESign, Scarlet, or other Signer Certificate has expired.
Your device is blacklisted.
These are the two main reasons that often show the ‘Unable to Install Delta’ error. Since you know the reasons now, let’s resolve this issue as quickly as possible.
How to Fix ‘Unable to Install Delta Executor’ On iPhone or iPad?
Here are some possible ways to resolve the ‘Unable to Install Delta’ on iOS devices:
1. Change Certificate
The first method that you should try to resolve this Delta iOS Executor error is to replace the old ESign certificate with the latest one. Likely, your ESign Certificate is no longer valid.
Whenever an ESign Certificate expires and you attempt to install Delta Executor using ESign, you will face this error. The only way that can be used to resolve this issue is to remove the current certificate.
After removing the current ESign Certificate, visit its official website and download the latest ESign certificate. Once downloaded, go and add the latest certificate to the ESign app.
NOTE: Visit ESign’s official website (esign-ios.com) to download its latest certificate. If you attempt to download it from a random site, your device might get infected with malware.
Scarlet, Feather, and other IPA Signer app users can use the same method.
2. Reset Your Device
If the above-mentioned method does not resolve the ‘Unable to Install Delta’ error on iOS, factory reset your device. This must be used as your last attempt because it deletes all your data completely.
The reason why we are suggesting you reset your iOS device is that this is the only method to unlist your device. If your device is blacklisted by Delta or ESign, there is nothing that can be used to resolve the issue.
After resetting your iOS device, you simply need to download the ESign app and the Delta IPA file. Once downloaded, follow the steps to install Delta Executor on your iOS device and check if the error remains.
That’s all you need to know about how to fix ‘Unable to install Delta’ on iPhone or iPad.