How to fix an unknown error when executing a request on iPhone

Nowadays, there are dedicated apps for checking the data balance and call balance of your mobile number that require an internet connection to function. Therefore, sometimes this is not possible and users have to dial a USSD code to access specific information.

Lately, many iPhone users have encountered errors when trying to access information about their network’s call or data balance. Whenever they try to access it, it throws an error message which reads as follows.

Error while executing the request

Unknown error

After some research, we found that this error may occur due to network issues within their area. Furthermore, whenever any user enters a wrong USSD code and dials it, it results in such an error.

In this article, you will find different best solutions that will help users resolve this error message on iPhone.

Fix 1 – Check USSD Code

The main reason behind this error message is entering the wrong USSD code while calling your iPhone to access additional information about cellular calling or data balance.

So before trying to dial, please check and verify the USSD code on the internet and then try to dial.

This may resolve the issue.

Note - Additionally, a weak signal in a specific location may also cause this type of error on any mobile device. So try moving to another location and check if the issue is resolved.

Fix 2 – Change Voice and Data Settings

If the voice and data settings are not set correctly, it will cause the issues discussed above in this article. Additionally, not setting the Network Selection option to Automatic may lead to such issues on any iPhone.

Please follow the steps below.

Step 1: First, open the "Settings" page on your iPhone.

Step 2: Then click on the "Mobile Data" option as shown below.

Step 3: Click on Move Data option, as shown in the picture below.

Step 4: Next, select the Voice and Data option.

Step 5: Once the Voice and Data page opens, click 4G from the list and make sure the VoLTE toggle switch is turned on .

Step 6: Now return to the "Moving Data" page.

Step 7: Click Network to select the option.

Step 8: Once opened, click the Auto Switch button to open it as shown in the screenshot below.

Fix 3 – Turn Airplane Mode on and turn it off

Many iPhone users claim that they fixed this error message by enabling Airplane Mode and then disabling it. It flushes network connection failures on the mobile device, if any.

Please follow the steps below.

Step 1: Once unlocked, open Control Center by swiping down from the top right corner of your iPhone screen.

Step 2: Then tap Airplane Mode in the upper left corner to enable Airplane Mode.

Step 3: Wait for some time and then tap Airplane Mode again to turn it off.

Step 4: After disabling, check if the problem is resolved.

Fix 4 – Disable call forwarding feature

If the user mistakenly enabled the call forwarding feature, this may also cause this type of issue. So, let us try to check whether the call forwarding feature is enabled or not. If it turns out to be enabled, use the steps explained below to disable it.

Step 1: First, go to the "Settings" page on your iPhone.

Step 2: Then scroll down and tap on the "Phone" option as shown in the screenshot below.

Step 3: Now click on the "Call Forward" option under the "Call" section as shown below.

Step 4: This will open the call transfer page, it may take 1-2 seconds to load.

Step 5: Turn it off by clicking its toggle switch, disabling the Call Forwarding option as shown.

Fix 5 – Disable iMessage settings and re-enable it

Some iPhone users have found that iMessage must do something about this error issue on their iPhone. Whenever iMessage gets stuck inside any iPhone, it can cause such issues. So, following the steps mentioned below may resolve this issue.

Step 1: First open the "Settings" page on your iPhone, then click once to select the "Messages" option.

Step 2: Then click the toggle switch of the iMessage option to turn it off, as shown below Screen shot shown.

Step 3: After disabling, restartiPhone.

Step 4: Once your iPhone boots up, go to the Messages page and enable## by clicking on its Switch button to open it #iMessage, as shown below.

Fix 6 – Reset Network Settings

This error message can also be caused by the user unknowingly changing something on their iPhone some network settings. Therefore, performing a reset network settings on any iPhone may help to resolve this error message using the following steps.

Step 1: First open the "

Settings" page, and then click the "General" option.

Step 2: Then select the

Transfer or Reset iPhone option at the bottom of the General page as shown below.

Step 3: Now select

Reset Click once option.

Step 4: This will pop up a context menu and you need to click on

Reset Network Settings from the list as shown below.

Step 5: This will ask you to enter the passcode of your

iPhone for verification.

Step 6: After that, click

Reset Network Settings again on the confirmation window.

Other Fixes

Update Your iPhone

Apple releases updates from time to time after processing feedback provided by users. Therefore, users who have not updated their iPhone with the latest software updates may encounter such issues on their iPhone.

We recommend that users update their iPhone or iPad using the following steps.

Step 1: Open the Settings page on their iPhone by tapping the

Settings icon on the home screen.

Step 2: Scroll down and select

Other related options as shown in the screenshot below.

Step 3: Select the

Software Update option by clicking on it as shown below.

Step 4: Wait until it checks if there are any available updates.

Step 5: Once the Software Updates page loads, click on the

"Download and Install" option at the bottom if there are any updates available.

Restart iPhone

Restarting any device can sometimes fix any minor technical issues or software glitches within the device. So, use the steps explained below to restart your iPhone once.

Here are the steps to restart your iPhone.

Step 1: To restart your iPhone, go to the "Settings" page.

Step 2: Then click on the "General" option.

Step 3: Next, click Shut Down.

#Step 4: Now follow the on-screen instructions to turn off your iPhone.

Step 5: To turn on your iPhone, you need to hold down the Volume Up and Power buttons simultaneously until you see the Apple logo emblem on the screen.

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