Have you lost your phone oe do you think it might have been stolen? Then, It is best if you block your SIM card as quickly as possible.
You can block your SIM card
Good to know: We can block your handset by using the IMEI number. The IMEI number appears on the packaging and on the inside of your handset (15-digit serial number).
You can easily buy a multi-SIM card online or visit a BASE Shop.
Have you found back your phone? That's great!
Unblock your SIM card yourself via the customer zone. We can also help you do it.
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