
Apple iPhone 6s Plus
32 GB, Space Grey, 5.50", Single SIM, 4G

Apple iPhone 6s Plus
32 GB, Space Grey, 5.50", Single SIM, 4G
How do I proceed when replacing the old iPhone 4 with the iPhone 6s Plus? Do I have to replace the SIM card from the iPhone 4 or have it cut? Who can help me? Digitec hardly does this in the shop, does it? I really want to keep the old mobile phone number. Many thanks in advance for your advice.