iPhone does not allow you to transfer contacts from iPhone to SIM. But that doesn’t mean you can’t back up…
SIM
Cause iPhone does not recognize SIM and how to fix it
If your iPhone shows a SIM not recognized error, then you cannot connect to your wireless carrier’s network. This means…
How to copy and copy contacts from iPhone to SIM with iTools
iPhone users when inserting a sim into a new device, users will not see their contacts displayed on the SIM,…
How to set up the display of contacts on the sim card on Wing VN50
Those of you who are using Viettel’s Wing VN50 device and do not see the contacts displayed on the Wing…
Instructions for setting up and changing PIN on SIM Galaxy S6
To protect personal information on your phone you can use a pin code, also on the Galaxy S6 and Galaxy…