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: 8:00 a.m.– 10:00 p.m.
Saturday and Sunday: 10:00 a.m. – 7:00 p.m.

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