How to block incoming calls

A.o.A    tu ajj ek ahsi trick laya hon jo k larkion k lye bhut faida bnd h app pakistan k kise bi network sy incoming calls block krscty app call tu krscty hain but  app ko koi bnda call nh krscta or kise ko pata bi nh chly ga k number on h ya off  Msgs app ko recive hoty rhen gy         tu chalte hain trick ki trf app in codes ki madad sy incoming call system block krscty                                                                                                                    Telenor
*21*345# Activated
##21# Deactivated

JaZz
*21*111# Activated
##21# Deactivated

Ufone
*21*333# Activated
##21# Deactivated

ZonG
*21*310# Activated
##21# Deactivate

Warid
*21*321# Activated
##21# Deactivated     Hangi tu kaise lagi yh trick agr app ko kise ek mksoos shkhs k lye  block krni hain tu us ka nmbr block list ma ltka do   phr moj kry ga woh and agr woh ziada hi tang krrha h tu appp us br ko company ma rabta krky jaan chura skty hain #NOTE YH jo inhami sakeem h yh sb farad h app us number ki complain company ko  blocl krdia jye ga   2 3 gnton ma  main bi 2nmbr istrh krwaye hain app bi zarooor khysh kia kro taky koi bndy ko woh nmbr again na olo bn dy               yh bi read kro  1.  TELENOR PR FREE INTERNET KAISE USE KREN                                           2.Fb pr dp&cover kaise combine kren                                                         APNY DOSTON K SATH SHARE KRO HR HIK KO BTIO APP KI MHRBANI MRA MQSAD H HR EK BNDA SB KUCH KRNA KHUD SEKH JYE APP SITE KA LINK DY DIA KRO I HOPE US KI HELP HOJYE GII DYON MA YAD RAKHNA KOI PROBLEM AYE TU COMMNT KR KY PUCH LIA KRO ALLAH HAFIZ 🎎AW WATTOO🎇