OnePlus 12 Facing Call Failure Issues on OxygenOS 15: See the accurate Solution

Recently, the OnePlus 12 was spotted with critical issues for some OnePlus 12 devices where users are unable to make and receive calls. In a blog post on the community, this problem was identified during OxygenOS 15 based on Android 15 version upgrades by abnormal parameter loading. The company took it initially and acted to provide users with a solution.

After investigation, the company found that the issue arose from an error in parameter loading during the software update version. Because of this, the device could not be able to connect to the network, resulting in a call failure.

The problem was initially detected specifically with Model OnePlus 12. If the users are experiencing issues with call functionality, follow the steps below to fix the problem.

• Download the RadioInfo Tool. RadioInfo Tool.apk 
• Open the RadioInfo app and select the “Set Preferred Network Type” option.
• Select “NR/LTE” and confirm the setting.
• Toggle airplane mode on and off to refresh your network connection.
• Wait for the network to establish and then make a call to verify if the issue is resolved.

RadioInfo Tool

The RadioInfo tool is designed to solve network-related issues so that users can configure it manually. RadioInfo ensures the targeted network is connected seamlessly with your OnePlus 12 device and restores the call functionality. OnePlus is committed to the service of resolving issues, and it is expected to roll out a more permanent fix in upcoming software updates.

Currently, the OnePlus 12 received OxygenOS 15 based on the Android 15 stable update. Meanwhile, the company is rolling out the stable update widely on eligible devices. In such a way, OnePlus does not want to make any bad impression in its software update. That’s why the company mentioned an additional step to solve this problem. After rebooting the device or changing the SIM card, you will need to repeat the above procedure.

Additional Step if the Issue Persists: If the solution above does not resolve the problem, we suggest trying the following:

• Insert a SIM card from a different carrier and allow the phone to connect to the network.
• Once connected, switch back to your original SIM card and check if the issue has been resolved.

Important Note:

• If you are not experiencing this issue, please do not download or install the RadioInfo Tool APK to avoid potential issues caused by misoperation
• We apologize for the inconvenience and appreciate your patience as we work to resolve this matter. If you continue to face any issues, feel free to reach out to us.