The culprit behind this issue is the fact that iPhone is automatically adding a plus sign before every phone number. This tricks the messaging app into believing that the message has come from an international number. And due to this false positive, iPhone users are getting the ‘error invalid number’ alert when sending a message to an Android device. With that said, we did manage to find a couple of methods that should help you rectify this issue. So without further delay, let’s check them out.
Fix iPhone error invalid number when sending message to Android
It is recommended that you try out each of the below-mentioned workarounds and then see which one spells out success. So with that in mind, let’s get started.
FIX 1: Add 1 before the number
Many users were able to rectify this issue by manually adding 1 before the phone number. This, when combined with the + symbol, would signify the USA country code and hence you should face no issues in sending a message to an Android user residing in the USA.
FIX 2: Reset Network Settings
Some users were also able to rectify this issue after resetting their device’s network setting to the factory default state. However, do note that doing so will also reset Wi-Fi networks and passwords, cellular settings, and VPN and APN settings. So sync them with your Apple account and only then proceed with the below steps: That’s it. These were the two different methods that should help you fix the iPhone error invalid number when sending a message to an Android user. As far as the official stance on this matter is concerned, the developers are yet to acknowledge this issue, let alone give out any ETA for the rollout of a fix. As and when any of these two things happen, we will update this guide accordingly. In the meantime, the aforementioned workarounds are your best bet.
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