I have visited Istanbul on 1st January 20 ' I bought a turkcell sim here ' now I am getting information your sim card going restricted to call , massages , internet on 31.3.20 , or submit your national I'd number ( kimlik) to turkcell to continue its services ' although I have applied for resident permit on 2 January 20 and got 23 March date for appointment/interview, but now due to corona virus lockdown they postpone date to 3 June, so kindly suggest me how I can remain my turkcell services continued ' I talked Turkcell call centre to extend date of closing services or allowed to buy new sim , but after checking it online information he refused to issue new sim even , because any sim may be allowed for 3 months from the date of entry ' so now how I can resolve my problem