If you experience an issue during registration where the phone number is not being accepted, it is likely due to your Android device's operating system (OS) not being updated to the most recent version.
If you are using an Android device, check to see if the most recent updates have been installed. ShieldHub tests and ensures compatibility with the most recent updates to device operating systems.
How to check for updates?
Please verify instructions with your device manufacturer. External links are provided as a convenience and for informational purposes only. ShieldHub bears no responsibility for the accuracy, legality or content of the external site.
Google: Check and Update your Andoid Version
Samsung: How to update the software on a Galaxy smartphone or tablet
Motorola: Update the software on my Motorola phone
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