The newer eSIM technology, which is quickly becoming the standard on high-end phones, is safer and more convenient.

You can change your phone number on WhatsApp whether you're still using the same phone, or you're using a new phone.

You can easily change your phone number in Gmail by accessing your Personal Information tab in settings.

Changing physical SIM cards on your phone is always a fiddly business. First, you have to root for the little SIM tray tool ...