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Reactivating my yallo SIM

If your yallo SIM is deactivated and you would like to reactivate it, please call our hotline (see below) and we will reactivate your SIM.


Monday through Friday: 9:00 a.m.– 08:00 p.m.

Saturday and Sunday: 10:00 a.m. – 7:00 p.m.


Within Switzerland 0900 00 44 88 (CHF 1.50/call)