Chapter in this post:
Whenever you get your new iPhone, you always think about what to do with the old one. I have currently ordered a multi-SIM card from Telekom for my second iPhone so that I can continue to use it as a phone, for photos and for navigation. At Telekom, you can make calls with both phones using the same number and when you make a call, it rings on both iPhones. The sending of SMS and MMS is only limited to one card. That means, you have to decide which one should be the main phone that will also "take over" the SMS messages.
To define which iPhone is responsible for sending and receiving SMS and MMS, enter the following GSM code on the number block in the phone, to activate SMS / MMS sending on the iPhone:
* 222 # and then press the handset symbol
A message should now appear on your screen that this phone is now activated for reception.
Do you want to know what the current status of the phone isthat you have in your hand, then there is this command:
* 221 # and then press the handset symbol
In some cases, switching does not work immediately. Then it is advisable to reactivate the SMS reception via * 222 # on the old iPhone and then to activate it again via * 222 # on the new iPhone. For most people, this solves the problem.
If you ask why this switchover is important even though you are not sending an SMS: Well, on the one hand, the iPhone's messaging app may use the SMS as an emergency solution if it has no wireless internet connection. On the other hand, WhatsApp is pretty petty when changing the phone and wants to carry out a verification (for me despite the same SIM card). In addition, you get a 6-digit code from WhatsApp via SMS - and it should arrive on the right phone. :)
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Jens has been running the blog since 2012. He appears as Sir Apfelot for his readers and helps them with problems of a technical nature. In his free time he drives electric unicycles, takes photos (preferably with his iPhone, of course), climbs around in the Hessian mountains or hikes with the family. His articles deal with Apple products, news from the world of drones or solutions for current bugs.